Read Session C-01: CO2 Compressors & Expanders I text version

PRELIMINARY PROGRAM 2008 International Compressor Engineering Conference

This program is based upon the submitted abstracts. The actual conferences' program will be based upon the submitted papers so it will be different.

Check the Conference Overview Chart for details about the Technical Session Brunch, Opening Session, Opening Reception and Advisory Committee Meeting

MONDAY, JULY 14, 2008

1:00-3:00 p.m. MONDAY AFTERNOON Technical Sessions C-1: CO2 Compressors & Expanders I

193 237 319 259

Tetsuhide Yokoyama, Kei Sasaki, Toshihide Koda, Shin Sekiya and Hideaki Maeyama, Mitsubishi Electric Corp., Japan

Development of High Efficiency Technology of Two Stage Rotary Expander for CO 2 Refrigerant: Masaru

Developing a Two-Stage Rotary Compressor for CO2 Heat Pump Systems with Refrigerant Injection:

Matsui, Masanobu Wada, Takeshi Ogata and Hiroshi Hasegawa, Matsushita Electric Industrial Co., Ltd., Japan

Modeling and Experimental Investigation on the Internal Leakage in a CO2 Rotary Vane Expander: Bingchun

Yang, Shaoyi Sun, Xueyuan Peng, Bei Guo, Zhilong He and Ziwen Xing, Xi'an Jiaotong University, P. R. of China

High Efficient C02 Trans-Critical Reciprocating Compressor. Part I: Valve Plate and Cylinder Head 1 D Flow Optimization: Philippe Dugast, Patrice Bonnefoi and Jean de Bernardi, Danfoss Commercial Compressors, France High Efficient C02 Trans-Critical Reciprocating Compressor. Part II: Valve Plate and Cylinder Head 3 D Thermal & Flow Optimization: Patrice Bonnefoi, Jean de Bernardi and Philippe Dugast, Danfoss Commercial Compressors,

260

France 166 179

Wear-Less Technologies for Rotary Compressors Applying CO2 Refrigerant: Naotaka Hattori, Hideto Nakao,

Tomoo Takayama, and Hideaki Maeyama, Mitsubishi Electric Corporation, Japan; Kaoru Ikenaga, NDK Incorporated, Japan

Simulation of Rolling Piston Type Expander for CO2 Heat Pump: Minxia Li, Tianjin University, P. R. of China

C-2: Automotive Air Conditioning Compressors

234

Design of Back Pressure Chamber for Automotive Scroll Compressor: Inhwe Koo, Doowon Technical College,

Korea; Boyoung Nam and Youngchang Han, Doowon Heavy Industrial Co., Ltd., Korea; Geonho Lee, Doowon Technical College, Korea 106 410 256

Developing a Compact Automotive Scroll Compressor: Fengshou Yi, Nanjing Aotecar Refrigeration Compressor

Company, P. R. of China

Sealing Performance of Mobile AC Compressor Shaft Seals: David Sousa and Denis F. Clodic, Ecole des Mines de

Paris, France

Study of Swash Plate Mechanism Design for Variable Displacement Compressor Using Swash Plate in Vehicle: Kibeom Kim, Taejin Lee, Donghui Lee and Geonho Lee, Doowon Technical College, Korea Reducing the Fuel Consumption by Speed Control of the Air Conditioning Compressor: Rico Baumgart and Peter

155

Tenberge, Chemnitz University of Technology, Germany

3:20­5:20 p.m. MONDAY AFTERNOON Technical Sessions

C-3: Modeling of Compressors

294 375 326 309 279 358 297

Advances in the Use of CFD for Analysing Screw Machines: Ahmed Kovacevic, Nikola Stosic, Elvedin Mujic and Ian

K. Smith, City University London, United Kingdom

3-D Fluid Structure Interaction Analysis of Reciprocating Compressor: Jeongyeon Shim, AbleMAX, Inc., Korea; Junghyoun Kim, Jin Jeong, Seongwoo Park and Ilkyo Oh, Samsung Gwangju Electronics Inc, Korea CFD Applications for Development of Reciprocating Compressor: Akira Nakano and Kenji Kinjo, Matsushita

Electric Industrial Co., Ltd., Japan

Analysis of Oil Pumping in a Reciprocating Compressor: Marcus Alves, Antonio Luckmann, Alvaro Prata and Jader R.

Barbosa, Jr., Federal University of Santa Catarina, Brazil

Multiphase Flow Through Inlet Manifolds of HVAC Systems: B. G. Shiva Prasad & Jacob A. Groshek, Emerson

Climate Technologies, Inc., USA

Cost and Weight Optimization of a Transport Refrigeration Compressor Crankshaft: Srinivasa Rao Yenneti,

Gouthaman Murali and Udupa Srinivasa, Ingersoll Rand International ( India ) Ltd, India

Robust Design Applied to Manufacturing Analysis: Eduardo Luis Gaertner, Embraco, Brazil

C-4: CO2 Compressors & Expanders II

189 239 259 Electric Corporation, Japan

Development of Large Capacity CO2 Scroll Compressor: Kenji Yano, Hideto Nakao and Mihoko Shimoji, Mitsubishi

Performance Characteristics of Scroll Expander for CO2 Refrigeration Cycles: Hirokatsu Kohsokabe and Masaki Koyama, Hitachi, Ltd., Japan; Kenji Tojo, Mutsunori Matsunaga and Susumu Nakayama, Hitachi Appliances, Inc., Japan Clearance Control of Scroll Compressor for CO2 Refrigerant: Hirofumi Yoshida, Atsushi Sakuda, Yoshiyuki Futagami

and Takashi Morimoto, Matsushita Electric Industrial Co., Ltd., Japan; Noriaki Ishii, Osaka Electro-Communication University, Japan

104 136 429

Axial and Radial Force Control for CO2 Scroll Expander: Akira Hiwata, Akira Ikeda, Takashi Morimoto, Osamu Kosuda and Masaru Matsu, Matsushita Electric Industrial Co., Ltd., Japan Study of Mechanical Loss Reduction on Thrust Bearing of Scroll Compressors Applying CO2 Refrigerant:

Hideto Nakao, Tetsuzo Matsugi, Kenji Yano and Katsunori Sato, Mitsubishi Electric Engineering Corporation, Japan

Effects of Surface Roughness Upon Gas Leakage Flow Through Small Clearances in CO2 Scroll Compressors: Noriaki Ishii, Osaka Electro-Communication Univ., Japan; Tatsuya Oku, Mayekawa Mfg. Co., Ltd., Japan;

Keiko Anami, Ashikaga Institute of Technology, Japan; Charles W. Knisely, Bucknell University, USA; Kiyoshi Sawai, Noboru Iida and Takashi Morimoto, Matsushita Electric Industrial Co., Ltd., Japan

C-5: Noise Reduction Technologies I

207 206 423

Analysis of Acoustic Characteristics of Accumulator of Rotary Compressor: Binsheng Zhu, Zhenhua Chen, Qiang

Gao, Shuiwang Cai and Chunhua Wen, Guangdong Meizhi Compressor Co. Ltd., P. R. of China

Noise Analysis of Accumulator in Rotary Compressors: Sungtae Woo, Unseop Lee, Chunmo Sung, Changjoo Shin and

Taejung Park, Samsung Elec., Korea

Noise Reduction of Accumulators for R410A Rotary Compressors: Jianhua Wu and Xingbiao Zhou, Xi'an Jiaotong

University, P.R. of China; Ling Li, Guangdong Meizhi Compressor Co., Ltd., P.R. of China and Xi'an Jiaotong University, P. R. of China; Qiang Gao, Guangdong Meizhi Compressor Co., Ltd., P.R. of China 148 170

Noise Reduction of Two-Cylinder Rotary Compressors: Sungtae Woo, Unseop Lee, Chunmo Sung, Changjoo Shin and

Seonkyo Kim, Samsung Elec., Korea

The Influence of the Discharge Port Shape on Screw Compressor Performance and Gas Pulsations: Elvedin

Mujic, Ahmed Kovacevic, Nikola Stosic and Ian K Smith , City University London, United Kingdom

261 262

New Portable Hybrid Method of Compressor Noise Level Calculation from Vibrations Measurements:

Philippe Dugast, Danfoss Commercial Compressors, France

Global Acoustical Finite-Element Simulation of Scroll Compressor Noise from Internal Sources: Philippe

Dugast, Danfoss Commercial Compressors, France

Check the Conference Overview Chart for details about the Technical Session Breakfast, Plenary Session, IIR Commission Meeting, Luncheon and Tours of the Herrick Labs

TUESDAY, JULY 15, 2008

9:45­11:45 a.m. TUESDAY MORNING Technical Sessions C-6: Screw Compressors

344 345 154 270 330 409 331

Noise Reduction in Bus A/C Systems with Screw Compressors, Part I: Compressor Evaluation: Lars I.

Sjoholm, Steve Gleason and Youngchan Ma, Thermo King, USA

Noise Reduction in Bus A/C Systems with Screw Compressors, Part II: Lars I. Sjoholm, Steve Gleason and

Youngchan Ma, Thermo King, USA

Profiling of Screw Compressor Rotors by Use of Direct Digital Simulation: Nikola Stosic, Elvedin Mujic, Ian K.

Smith and Ahmed Kovacevic, City University London, United Kingdom

Rotor Profile Generation and Optimization of Screw Machines Using NURBS: Jan Hauser, Andreas Bruemmer and

Knut Kauder, TU Dortmund, Germany

The Column Envelope Meshing Pair and Its Design Method of CP Type Single Screw Compressors: Weifeng

Wu, Quanke Feng, Jian Xu and Xiangling Feng, Xi'an Jiaotong University, P. R. of China

Transmission Error in Screw Compressor Rotors: Jack Sauls, Trane,USA Leakage Path of Column Envelope Single Screw Compressors: Weifeng Wu, Quanke Feng and Jian Xu, Xi'an

Jiaotong University, P. R. of China

C-7: New Compressor Concepts I

121 328 301 419 384 219

Analysis of Diaphragm Compressors for Electronics Cooling: Abhijit Sathe, Eckhard Groll and Suresh Garimella,

Purdue University, USA

Experimental Performance of Novel Positive Displacement Compressor: Gregory T. Kemp, TORAD Engineering,

LLC, USA

Compressor Manifold Development With the Use of the Finite Element Method: Rinaldo Puff, Embraco, Brazil The Innovative Green Technology for Refrigerators (Development of Innovative Linear Compressor): Hyuk

Lee, Sunghyun Ki, Sangsub Jung and Wonhag Rhee, Digital Appliance Research Laboratory, LG Electronics Inc., Korea

Analysis of the No-Load Characteristic of the Moving Coil Linear Compressor: Yingbai Xie, Liangming Gui,

Xiuzhi Huang, Zhouxuan Xu, North China Electric Power University, P. R. of China

A Very Special Kind of Reciprocating Compressor for CNG Filling Station: Yongzhang Yu, Xi'an Jiaotong

University, P. R. of China; Xueqiang Feng, Wenzhou Qiangsheng Petroleum & Chemical Machinery Co., Ltd., P. R. of China; Liangsheng Guo, Xi'an Jiaotong University, P. R. of China; Xiufeng Gao, Wenzhou Qiangsheng Petroleum & Chemical Machinery Co., Ltd., P. R. of China 190

Development of the New Capacity Control Technique for the High Efficiency Scroll Compressor: Kazuhiko Matsukawa, Hiroshi Kitaura, Shuichi Jomura, Masahiro Yamada and Nobuo Takahashi, Daikin Industries Ltd., Japan

1:30­3:30 p.m. TUESDAY Afternoon Technical Sessions C-8: Scroll Compressors I

204

Scroll Technology: An Overview of Past, Present and Future Developments: John Paul Elson, Emerson Climate

Technologies, USA; Norbert Kaemmer, Emerson Climate Technologies, Europe; Simon Wang, Emerson Climate Technologies, Asia 283 263 323 363 324

Development of Liquid-Flooded Scroll Compressor and Expander Models: Ian Bell, Purdue University, USA;

Vincent Lemort, University of Liege, Belgium; Jim Braun and Eckhard Groll, Purdue University, USA

Analysis of Liquid-Flooded Compression Using a Scroll Compressor: Ian Bell, Purdue University, USA; Vincent

Lemort, University of Liege, Belgium; Jim Braun and Eckhard Groll, Purdue University, USA

Analysis of Liquid-Flooded Expansion Using a Scroll Expander: Vincent Lemort, University of Liege, Belgium; Ian

Bell, Eckhard Groll and Jim Braun, Purdue University, USA

Analysis of Two-Stage Compression in a Scroll Compressor: Hubert Bukac, Little Dynamics, Inc., USA Numerical Simulation of a Scroll Expander for Use in a Rankine Cycle: Vincent Lemort, Sylvain Quoilin and Jean

Lebrun, University of Liege, Belgium

C-9: Reciprocating Compressors I

355

Integrated Compression Process/Electric Motor Design of Hermetic Positive Displacement Air Conditioning Compressors: Junhyeung Kim, Michelle L. Bash, Steven D. Pekarek and Eckhard A. Groll, Purdue University, USA Electrical and Mechanical Methods for Detecting Liquid Slugging in Reciprocating Compressors: Christopher R. Laughman, Roderick R. La Foy, Ryan Bavetta, Peter R. Armstrong, Steven B. Leeb and Leslie K. Norford, MIT, USA Integrated Approach to Predict the Life Cycles of Compressor Components: Dattatray S. More, Pavankumar P.

437 357 422 222

Jorwekar and Mayur M. Nadgouda, Emerson Climate Technologies (India) Limited, India

In Situ Performance Evaluation of Industrial Reciprocating Air Compressors: Udayakumar Meivelu, Pannir

Selvam and Kesavan Suthakar, National Institute of Technology, India

Analysis of Efficiency and Power Factor of Reciprocating Compressor Unit Under Variable-Frequency and Variable-Conditions: Xiongpo Hou, Zhaolin Gu, Yun Li, Xiufeng Gao and Shiyu Feng, Xi'an Jiaotong University, P. R. of

China

4:00­6:00 p.m. TUESDAY Afternoon Technical Sessions C-10: New Compressor Concepts II

102 233 183 265 111 223 302

A Study of a Revolving Vane Compressor: Kim Tiow Ooi, Nanyang Technological University, Singapore Design and Friction Analysis of the Improved Revolving Vane (RV-I) Compressor: Yongliang The and Kimtiow

Ooi, Nanyang Technological University, Singapore

Development of Twin Rotary Compressor with New Heat Caulking Fixing Method: Toshinori Arai and Taro Kato,

Mitsubishi Electric Corporation, Japan

A New Experimental Method to Determine the Shaft Torque of a Hermetic Compressor: Erkan Ozkan, Arcelik

A.S. Compressor Plant, Turkey

Reflux Gas Densification: John F. Weinbrecht, Unaffiliated; Jim W. Payne, J. W. Industries, Inc, USA Essential Geometric Theory of Internal-Meshing Rotary Compressor: Shiyu Feng, Xiufeng Gao, Yun Li and Zhaolin

Gu, Xi'an Jiaotong University, P. R. of China

Study of a Novel Compliant Suspension Mechanism in Low Side Type Scroll Compressor: Yuehju Tang and Chinghua Hung, National Chiao Tung University, Taiwan; Yuchoung Chang, Industrial Technology Research Institute, Taiwan

C-11: Lubrication Issues in Compressors I

361 137 428

Visualization and Measurement of Refrigerant and Oil Flow at a Compressor Discharge: Scott S. Wujek and

Predrag S. Hrnjak, University of Illinois at Urbana-Champaign, USA

Effect of Oil Feed Groove on Compressor Piston Lubrication: Bilgin Hacioglu, Arcelik Company, Turkey; Zafer

Dursunkaya, Middle East Technical University, Turkey

Design Guidelines for Optimized Thrust Slide-Bearing in Scroll Compressors for Maximum Efficiency: Noriaki Ishii, Osaka Electro-Communication Univ., Japan; Tatsuya Oku, Mayekawa Mfg. Co., Ltd., Japan; Keiko Anami, Ashikaga Institute of Technology, Japan; Charles W. Knisely, Bucknell University, USA; Kiyoshi Sawai, Takashi Morimoto and Noboru Iida , Matsushita Electric Industrial Co., Ltd., Japan The Tribological Performance of Self-Lubricating Bearings Following Secondary Sizing Adjustment: Michael

433 305 247 205

R. Kim and Yuan H. Peng, GGB Bearing Technology, USA University of Santa Catarina, Brazil

Viscosity Behavior of Mixtures of CO2 and Lubricant Oil: Moises A Marcelino-Neto, Jader R. Barbosa, Jr., Federal

Fortran Model for Compressor Bearings: Pierre Ginies and Christophe Ancel, Dominique Gross, Danfoss CC, France The Effect of Surface Morfology in the Tribological Performance of AL390-T6 During Boundary-Mixed Lubrication Conditions Using CO2 as a Refrigerant: Emerson Escobar Nunez and Andreas Polycarpou, University of

Illinois at Urbana-Champaign, USA 366

Numerical Study on the New Type Balancing Oil Device of Multi-Compressors: Luxiang Zong, North China

Electricity University, P. R. of China; Xiaosong Zhang and Caihua Liang, Southeast University, P. R. of China

Check the Conference Overview Chart for details about the Technical Session Breakfast, Plenary Session, IIR Commission Meeting, and Steak Barbeque

WEDNESDAY, JULY 16, 2008

9:45­11:45 a.m. WEDNESDAY Morning Technical Sessions C-12: Rotary Compressors I

228 156

Modeling and Testing of a Two-Stage Rotary Compressor: Margaret M. Mathison, James E. Braun and Eckhard A.

Groll, Purdue University, USA; SeungJun Lee, LG Electronics, Korea

Oil/Refrigerant R134a Mixture Non-Isothermal Two-Phase Flow Through the Radial Clearance of Rolling Piston Compressors: Jose Luiz Gasche and Adriano Domingos Ferreira, Sao Paulo State University, Brazil Development of a Multi-Stage Capacity Rotary Compressor: Jeongbae Lee, Unseuk Kim and Kyungjun Han,

231 325 308

Samsung Electronics, Korea

Development of High Efficient 2-Cylinder Rotary Compressor for Annual Performance Factor: Takeshi

Tominaga, Takuya Hirayama and Shoichiro Kitaichi, Toshiba Carrier Corporation, Japan

A Theoretical Investigation on the Thermodynamic Efficiency of a Two-Stage Inter-Cooled Sliding Vane Rotary Compressor: Roberto Valente and Carlo Villante, University of L'Aquila, Italy Optimizing of the Balance System on Single Rotary BLDC Compressor: Huijun Wei and Xiaoyong Li, Gree Electric

232

Appliances, Inc. of Zhuhai, P. R. of China

C-13: Noise Reduction Technologies II

335

Reduction of the Low Frequency Noise Due to the Discharge Pressure Pulsation of a Reciprocating Compressor: Jeongil Park, Jeonghoon Kang and Jihoon Choi, Samsung Electronics Co., Ltd., Korea Development of the Noise Monitoring System to Detect Components Defect of the Reciprocating Compressor: Daeil Kwon, Mincheol Yoon, Sungwoo Park and Ilkyo Oh, Samsung Gwangju Electronics Inc., Korea

246

255 164 172

Application of Pressure Pulsations for Condition Monitoring of a Defective Reciprocating Compressor:

Ashesh Tiwari, Devi Ahilya University, India; Smita Manepatil, Shri G.S.Institute of Science and Technology, India

Flow-Induced Noise in Suction Mufflers: Sven Eric Nielsen, Preben Bjerre and Christian Svendsen, Danfoss Compressors

GmbH, Germany

Investigating the Transmission Loss of Compressor Suction Mufflers Applying Experimental and Numerical Methods: Israel Jorge Cárdenas Nuñez, Ana Lcia Libardi De Marqui, Marcelo Renato Cavaglieri, Tecumseh of Brasil Ltda,

Brazil; José Roberto de Franca Arruda, State University of Campinas of UNICAMP, Brazil 337 438 138

Three-Dimensional Vibration Absorber for Pipeline Vibrations: Johann Lenz, Koetter Consulting Engineers KG,

Germany

Sound Sources and Their Reduction in Air Conditioning Unit: Parag Mathuria and Macinissa Mezache, Emerson

Climate Technologies, Inc., USA

Discussions of Acceleration Factor Determination for Weld Fatigue Random Vibration Tests: Jianxiong Chen,

Emerson Climate Technologies, USA

1:00­3:00 p.m. WEDNESDAY Afternoon Technical Sessions C-14: Scroll Compressors II

336 181 425

Impact of Power Frequency on the Performance of a Scroll Compressor: Michael M. Cui, Trane, USA Development of High Efficiency Scroll Compressor with MS Motor: Kenj Tojo, Masashi Miyake, Masaru Ootahara

and Tomio Yoshikawa, Hitachi Appliances, Inc., Japan; Satoshi Kikuchi, Hitachi Ltd., Japan

Optimization of High-Pressure Ammonia Scroll Compressors for Maximum Efficiency: Tatsuya Oku, Mayekawa

Mfg. Co., Ltd., Japan; Noriaki Ishii, Osaka Electro-Communication Univ., Japan; Keiko Anami, Ashikaga Institute of Technology, Japan; Charles W. Knisely, Bucknell University, USA; Shota Ueda, Osaka Electro-Communication Univ., Japan; Akira Matsui and Harumi Sato, Mayekawa Mfg. Co., Ltd., Japan 293 180 258 220

Scroll Compressors for Dedicated Heat Pumps: Development and Performance Comparison: Olivier Liegeois

and Eric Winandy, Emerson Climate Technologies, Europe

Motor Cooling Analysis for a Hermetic Scroll Compressor: Michael M. Cui, Trane, USA Efficient Scroll Having High Built-In Volume Ratio: Jean de Bernardi and Staephane Watts, Danfoss Commercial

Compressors, France

Design of Discharge Hole and its Influence on Discharge Loss for Scroll Compressor: Xiufeng Gao, Shiyu Feng,

Yun Li, Zhaolin Gu and Yongzhang Yu, Xi'an Jiaotong University, P. R. of China

C-15: Reciprocating Compressors II

306 412 125 307 396

Thermal Analysis of Reciprocating Compressors - A Critical Review: Fernando A. Ribas, Jr., Fabian Fagotti,

Embraco, Brazil; Cesar J. Deschamps, Federal University of Santa Catarina, Brazil

A Study on the Polytropic Exponent of Reciprocating Compressors: Jose A. R. Parise, Frank C. Pruzaesky, Pontific

Catholic University of Rio de Janeiro, Brazil

Heat Transfer in Small Piston Compressors: Thomas Muellner, Vienna University of Technology, Austria; Olaf

Bielmeier, Hoerbiger Compressor Technology GmbH, Germany;

Thermodynamic Analysis of Oil Atomization in the Cylinder of a Reciprocating Air Compressor: Rodrigo

Kremer, Jader R. Barbosa, Jr. and Cesar J. Deschamps, Federal University of Santa Catarina, Brazil

Improvements in the Instantaneous Swept Volume Measuring Device: Pannir Selvam Kesavan and Udayakumar

Suthakar, National Institute of Technology, India

3:20­5:20 p.m. WEDNESDAY Afternoon Technical Sessions

C-16: Compressor Valve Designs I

286 257 382

Compressor Valve Dynamic Behavior Study Using Ansys Fsi: Zhichao Wang, Emerson Climate Technologies, USA Detection of Valve Leakage in Reciprocating Compressor Using Artificial Neutral Networks: Rajeev Namdeo,

Shrivaishnav Polytechnic, India; Dr. Smita Manepatil and Suvandan Saraswat, SGSITS, India

Study on the Fatigue Strength of a Suction Flapper Valve Used in a High Efficient Reciprocating Compressor: Yongseok Lee and Seungkil Son, Daewoo Electronics Corp., Korea Analysis of Set of Valve from Hermetic Reciprocating Compressors Under Accelerated Life Test (ALT) by Alternative Machine in Replacement of the Usual Compressor Bench Test: Jairo Aparecido Martins, Daniel L.

173

Leite and Luiz G. Martins; Barnes Precision Valve, Brazil 126

Simulation and Measurement of the Dynamics of Self-Acting Valve in a Reciprocating Compressor for Transcritical CO2 Refrigeration: Yuan Ma, Xueyuan Peng and Ziwen Xing, Xi'an Jiaotong University, P. R. of China Dynamic Analysis of the Discharge Valve of the Rotary Compressor: Fei Xie, Shanghai Hitachi Electrical

182 274

Appliances Co., Ltd., P. R. of China

Valve Lift Measurement for the Validation of a Compressor Simulation Model: Daniel Nagy, University of

Technology Graz, Austria

C-17: Air and Other Compressors

288 129 162

Air Compressor Systems for Passenger Rail Applications: Stanley Paul Schumann, Wabtec Passenger Transit, USA Improvement of the Volumetric and Isentropic Efficiency Due to Modifications of the Suction Chamber:

Stephan Lehr and R. Langebach, Technische Universitaet Dresden, Germany

Impact of the Content of Non-Condensable Gases on the Compressor Performance Test System Based on the Gas Loop Method: Kai Du and Zhihui Hu, Southeast University, P. R. of China Variable-Speed Centrifugal Chiller Control for Variable Primary Flow (VPF) Applications: Joost Brasz, Carrier

343 385 243

Corporation, USA

Isentropic and Volumetric Efficiencies for Compressors with Economizer Port: Klaus Jurgen Lambers, Danfoss,

Denmark

Fault Classification in Hermetic Compressors Using Self-Organizing Maps: Atilla Kaya, Ãoemit Unlu and Emin

Germen, SÃiha Toprak, Arcelik A.S, Turkey

Check the Conference Overview Chart for details about the Technical Session Breakfast, Plenary Session and Advisory Committee Meeting

THURSDAY, JULY 17, 2008

10:00 a. m.­12:00 p. m. THURSDAY MORNING Technical Sessions C-18: Scroll Compressors III

140 372

Thrust Bearing Behavior in Scroll Compressors: Dominique Gross, Christophe Ancel and Pierre Ginies, Danfoss CC,

France

Twin-Spirals Scroll Plate Stress and Deformation Analysis Based on CAE: Bin Peng, Lanzhou University of

Technology, P. R. of China

188 150 240 236

Theoretical and Experimental Study of an Oil-Free Scroll Vapor Expander: Bernard Aoun and Denis F. Clodic,

Ecole des Mines de Paris, France

Modeling Tip-Seal Dynamics in Scroll Compressors: Liansheng Li, Le Wang, Yuanyang Zhao, Pengcheng Shu and

Chunjie Xiong, Xi'an Jiaotong University, P. R. of China

Comparison Between Different Arrangements of Bypass Valves in Scroll Compressors: Yangguang Liu and Chinghua Hung, National Chiao Tung University, Taiwan; Yuchoung Chang, Industrial Technology Research Institute, Taiwan Geometry Models of Embedded-Type-Shaft Scroll and Their Influence on Dynamic Property of Scroll Machine: Tao Liu, Lanzhou University of Technology, P. R. of China

C-19: Reciprocating Compressors III

402

An Object Oriented Program for the Numerical Simulation of Hermetic Reciprocating Compressors Behaviour: Joaquim Rigola, Carlos D. Parez-Segarra, R. Damle and Assensi Oliva, Technical University of Catalonia, Spain Reciprocating Compressor Program: Christophe Ancel, Dominique Gross and Pierre Ginies, Danfoss CC, France A Comparative Analysis of Numerical Simulation Approaches for Reciprocating Compressors: Evandro L.L.

141 303 272

Pereira and Cesar J. Deschamps, Federal University of Santa Catarina, Brazil; Fernando A. Ribas Jr., Embraco, Brazil

Coupling of 0-,1- and 3-d Tool for the Simulation of the Suction Line of a Hermetic Reciprocating Compressor: Wolfgang Lang, Zainal Abidin, Raimund Almbauer, Adolf Burgstaller and Daniel Nagy, University of

Technology Graz, Austria 393

Transient Modeling and Sensitivity Analysis of a Controlled R744 Swash Plate Compressor: Peterson

Cavalcante, TU Braunschweig, Germany; Wilhelm Tegethoff and Sven Farsterling, TLK-Thermo GmbH, Germany; Jargen Kahler, TU Braunschweig, Germany

1:00 p. m.­3:00 p. m. THURSDAY Afternoon Technical Sessions C-20: Rotary Compressors II

115 287 144 235 426 248

Experimental Evaluation of a Miniature Rotary Compressor for Application in Electronics: Abhijit Sathe,

Eckhard Groll and Suresh Garimella, Purdue University, USA

Investigation of a Vane Motion of Variable Capacity Rotary Compressor Using a Vane Controlling Method:

Inju Lee, JiHoon Choi and JeongIl Park, Samsung Electronics, Korea

The Integral Vane-Type Compressor/Expander: John Stewart Glen, Refrigeration Development Company Ltd., Canada;

Junjie Gu and Chukwudi Azih, Carleton University, Canada

Analysis of Internal Leakage Across Radial Clearance in the Revolving Vane (RV) Compressor: Yongliang

Teh, Kimtiow Ooi, Nanyang Technological University, Singapore

The Analysis of Oil Supply System for Twin-Cylinder Rotary Compressor: Zhanli Zhai, Jianhua Wu and Ruihong

Ma, Xi'an Jiaotong University, P.R. of China

Mixed Lubrication Analysis of Vane Sliding Surface Considering Elastic Deformation in Rotary Compressor Mechanisms: Yasutaka Ito, Hitoshi Hattori and Kazuhiko Miura, Toshiba Corporation, Japan

C-21: Compressor Valve Designs II

315

Influence of the Main Parameter of the Suction Valve on the Overall Performance of a Small Hermetic Reciprocating Compressor: Adolf Burgstaller, Daniel Nagy, Zainal Abidin, Raimund Almbauer and Wolfgang Lang,

University of Technology Graz, Austria 242 112

Optimisation of Discharge Valve Leaf for Performance: Serkan Kara and Tolga Yaroglu, Arcelik A.S. Compressor

Plant, Turkey

Flow Structure Interaction and Impact Analysis of Reciprocating Compressor Discharge Valve: Hyeongsik

Kim, LG Electronics, Korea

151 405

Force Simulation and Dynamic Analysis of Linear Compressor Values: Yanjun Ma, Baocai Ren Henan Polytechnic

University, P. R. of China

Numerical Simulation of Fluid Flow Through Valve Reeds Based on Large Eddy Simulation Models (LES):

Joaquim Rigola, Technical University of Catalonia, Spain; O. Lekmuhl, Termofluids, S.L., Spain; Carlos D. Parez-Segarra and Assensi Oliva, Technical University of Catalonia, Spain 230 158

Modulus of Elasticity and Its Influence on the Performance of Flapper Valve Materials: Guocai Chai, Malin

Persson and Martin Mueller, Sandvik Materials Technology, Sweden

Turbulent Flow Through the Reciprocating Compressor Valve Using the Large-Eddy Simulation Methodology: Jose Luiz Gasche, Bruno Ferreira Pussoli, Sao Paulo State University, Brazil

PRELIMINARY PROGRAM 2008 International Refrigeration and Air Conditioning Conference

This program is based upon the submitted abstracts. The actual conferences' program will be based upon the submitted papers so it will be different.

MONDAY, JULY 14, 2008

Check the Conference Overview Chart for details about the Technical Session Brunch, Opening Session, Opening Reception and Advisory Committee Meeting

1:00-3:00 p.m. MONDAY AFTERNOON Technical Sessions R-1: Desiccant Systems

118 346 436

A Heat Pump Desiccant Unit for Dehumidification and Humidification: Tolga N. Aynur, Yunho Hwang and

Reinhard Radermacher, University of Maryland, USA

A New Liquid Desiccant System for Air-Conditioned Spaces with High Latent and Cooling Load: Yonggao

Yin and Xiaosong Zhang, Southeast University, P. R. of China; Qingyan Chen, Purdue University, USA

Modeling and Experimental Verification of Electroosmotic Dehumidification with Inorganic and Organic Membranes: David W. Gerlach, United Technologies Research Center, USA Dehumidification Effectiveness of Internally Cooled Liquid Desiccant Absorbers: Sanjeev Jain, Arun K Asati and

185 391

P. L. Dhar, IIT, India

Numerical Simulation of a Dehumidification/Humidification Performance of a Desiccant Rotor Using Pore Size Controlled Material Regenerated by Low Grade Thermal Energy: Yoshinori Hamamoto and Hideo Mori,

Kyushu University, Japan; Fumio Matsuoka, Mitsubisi Electric Corporation, Japan 217 114

A Stochastic Model for Evaluating the Performance of Solar Desiccant Air Conditioning System: Yutong Li,

The Hong Kong Polytechnic University, P. R. of China

Numerical Study on an Air-Side Heating Source Liquid Desiccant Regeneration Model: Xiaosong Zhang and

Yonggao Yin, Southeast University, P. R. of China

R-2: Heat Exchanger Modeling and Design

200 333

A-Type Heat Exchanger Simulation Using 2-D CFD for Airside Heat Transfer and Pressure Drop: Omar

Abdelaziz, Varun Singh, Vikrant Aute and Reinhard Radermacher, University of Maryland, USA

A Model for the Analysis of Compact Heat Exchangers: Jose Ramon Garcia-Cascales and F. Vera-Garcia, Technical

University of Cartagena, Spain; J. Gonzalvez-Macia and J. M. Corberan-Salvador, Technical University of Valencia, Spain; M. W. Johnson and G. T. Kohler, Modine Manufacturing LTD, USA 157

Application of a New Computational Procedure to Quantify the Entropy Generation in Cross-Flow Heat Exchangers: Luben Cabezas-Gomez, Tecumseh of Brasil LTDA, Brazil and University of Sao Paulo, Brazil; Helio Aparecido

Navarro, Sao Paulo State University, Brazil; Sergio Machado de Godoy, University of Sao Paulo, Brazil; Jose Maria SaizJabardo, University of Corus, Spain 404

Fin-and-Tube Heat Exchanger Solid Core Advanced Simulation: Carles Oliet, Carlos D. Parez-Segarra, J. Castro and

Assensi Oliva, Technical University of Catalonia, Spain

348 292

Use of a CFD Code in the Analysis of Heat Transfer Surfaces: Mohammad Shekoor Talakala, L.B.S College of

Engineering, India

A Consideration about Hypothesis of Heat Conductance Equilibrance in the Optimum Design of Heat Exchanger: Akira Okuyama, Fujitsu General Institute of Air-Conditioning Technology LTD, Japan Heat Exchanger Area Ratio Models for Refrigerant Comparison: Rotchana Prapainop, University College London,

167

United Kingdom

R-3: Heat Pumps for Space Heating I

202

Comparison of Frost and Defrost Performance Between Microchannel Coil and Fin-and-Tube Coil for Heat Pump Systems: Lorenzo Cremaschi, Sankar Padhmanabhan and Daniel E. Fisher, Oklahoma State University, USA; John

Knight, Johnson Controls Inc., USA 285

Design Approach and Performance Analysis of a Small Integrated Heat Pump (IHP) for Net Zero Energy Homes (NZEH): C. K. Rice, R. W. Murphy and Van D. Baxter, Oak Ridge National Laboratory, USA Analysis of Ground Heat Exchangers for Geothermal Heat Pumps in Old Individual Houses: Odile Cauret and

304 244 168 432

Pascal Dalicieux, EDF R&D France

Annual Energy Performances of Residential Heat Pump: Marcello Bentivegni and Denis F. Clodic, Ecole des Mines de

Paris, France

Development of a Parameter Estimation Model for Heat Pump System With Variable Speed Compressor:

Hatef Madani, Per Lundqvist and Joachim Claesson, Royal Institute of Technology, KTH, Sweden

Cooling Performance of a Water-to-Refrigerant Type Ground Source Heat Pump System Installed in the Building: Donghyuk Lee, Simwon Jin, Hyoungsuk Woo, Byeongsoon Kim and Inkyu Kim, LG Electronics Inc., Korea; Jaekeun

Lee and Youngman Jeong, Pusan National University, Korea 250

Experimental Study on the Heating Performance of a CO2 Heat Pump with Gas Injection: Changhyun Baek,

Eungchan Lee, Hoon Kang and Yongchan Kim, Korea University, Korea

3:20­5:20 p.m. MONDAY AFTERNOON Technical Sessions

R-4: Air-Side Performance of Heat Exchangers

310 142

A Study of Air-Side Heat Transfer and Pressure Drop in Tube-Fin No-Frost Evaporators: Jader R. Barbosa, Jr.,

Claudio Melo and Christian J. L. Hermes, Federal University of Santa Catarina, Brazil

Effect of Inclination Angle on the Air-Side Performance of Aluminum Parallel Flow Heat Exchangers Under Dry and Wet Conditions: Nae Kim, Do Kim, Ho Byun and Yong Choi, University of Incheon, Korea Investigation on the Frost Clogging of Fan Supplied Tube-Fin Evaporators: Christian J. L. Hermes and Claudio

146 195 107 311

Melo, Federal University of Santa Catarina, Brazil

Measurement of Air-Velocity Profiles for Finned-Tube Heat Exchangers Using Particle Image Velocimetry:

David Yashar, Honghyun Cho and Piotr Domanski, The National Institute of Standards and Technology, USA

Modeling and Simulation of Finned Tube Evaporator Model During Frost Conditions: Alberto Hernandez Neto,

Polytechnic School, Brazil

Air-Side Heat Transfer and Pressure Drop in Accelerated Flow Evaporators: Paulo Waltrich, Jader R. Barbosa, Jr., Claudio Melo and Christian J. L. Hermes, Federal University of Santa Catarina, Brazil; Rodrigo Kremer, Whirlpool Corporation, Brazil

R-5: Supermarkets

130

An Active Supermarket Defrost Scheme for Balancing Energy Consumption and Food Quality Loss: Junping

Cai and Jakob Stoustrup, Aalborg University, Denmark; Bjarne D. Rasmussen, Grundfos Management A/S, Denmark

143 201 271

Criteria for Predicting the Frost Nucleation on the Internal Walls of Refrigerated Cabinets: Robson O. Piucco,

Christian J. L. Hermes, Claudio Melo and Jader R. Barbosa Jr., Federal University of Santa Catarina, Brazil

Retrofit Experience of R-22 Alternative Refrigerants in Supermarket Refrigeration Systems: C. Curtis Lawson,

DuPont Fluoroproducts, USA

Supermarkets, Indoor Climate and Energy Efficiency - Field Measurements Before and After Installation of Doors on Refrigerated Cases: Ulla Maria Lindberg and Monica Axell, SP Technical Research Institute of Sweden, Sweden;

Per Fahlaen and Niklas Fransson, Chalmers University of Technology, Sweden 147 415 Shapiro, Ingersoll-Rand Climate Control Technologies, USA USA

Experiences with CO2 Supermarkets in New Zealand: Brian Rees, McAlpine Hussmann Limited, New Zealand; Doron

Overview of LED Lighting for Refrigerated Display Merchandisers: Timothy D. Anderson, Hussmann Corporation,

Check the Conference Overview Chart for details about the Technical Session Breakfast, Plenary Session, IIR Commission Meeting, Luncheon and Tours of the Herrick Labs

TUESDAY, JULY 15, 2008

9:45­11:45 a.m. TUESDAY MORNING Technical Sessions R-6: Mobile Applications

416

A Study on the Reduction of Throttling Losses in Automotive Air Conditioning Systems Through Expansion Work Recovery: Vitor A. Gonzalves, Jose A. R. Parise, Pontific Catholic University of Rio de Janeiro, Brazil Experimental Comparison Between R134A and R744 Mobile Air Conditioning: Xinzhong Li, Creative Thermal Solutions Inc, USA; Predrag S. Hrnjak, Creative Thermal Solutions Inc, USA and University of Illinois at Urbana-Champaign, USA Evaluation of CFC Replacements for Military Air Conditioning: Nicholas P. Johnston, Marine Corps Systems

414

420 359

Command, USA

Influence of Mass-Flow Injection Ratio on an Economised Indirect Multi-Temperature Transport Refrigeration System: Shane Smyth, University College Dublin, Ireland; Vladimir Sulc, Thermo King Corporation, USA;

Donal P. Finn, Barry Brophy and David J. Timoney, University College Dublin, Ireland 191 284

Numerical Simulation of a New Cooling System for Commercial Aircrafts: Karin Dietl, Jens Vasel and Gerhard

Schmitz, Hamburg University of Technology, Germany

Zero Ozone Depletion Refrigerant for Retrofit of R-12 in Mobile Air Conditioning and Stationary Refrigeration: Don Bivens, Ward Wells, Mary Koban and Carlos Saldana, DuPont, USA Computational and Experimental Investigation of R134a/R600a/R290 Refrigerant Mixture in an Automobile Air Conditioning System with Mineral Oil as Lubricant: T. S. Ravikumar and Lal D. Mohan, Anna University, India Performance Evaluation of an Economised Indirect Multi-Temperature Transport Refrigeration System:

215

360

Shane Smyth, Donal P. Finn, Barry Brophy and David J. Timoney, University College Dublin, Ireland

R-7: Heat Transfer and Pressure Drop for Small Tubes and Channels

439 291 417

Void Fraction Measurement in Minichannels With In-Situ Calibration: Kathryn H. Lehrer, Guillermo Portillo and

Timothy A. Shedd, University of Wisconsin-Madison, USA

Vaporisation and Condensation of Halogenated Refrigerants Inside a Circular Minichannel: Alberto Cavallini,

Stefano Bortolin, Davide Del Col, Marko Matkovic and Luisa Rossetto, University of Padova, Italy

Void Fraction in Condensing Refrigerant Flow in Small Channels: Julian Winkler, Jesse D. Killion and Srinivas

Garimella, Georgia Institute of Technology, USA

421 208

Boiling Heat Transfer and Pressure Drop of a Refrigerant Flowing in a Vertical Small Diameter Tube:

Kazushi Miyata, Hideo Mori, Katsumi Ohishi and Yoshinori Hamamoto, Kyushu University, Japan

Characteristics of Flow Boiling Heat Transfer and Pressure Drop of Sub-Critical CO2 in Mini-Channels With Micro-Fins: Xiaomin Wu, Yingjie Tang, Jingchun Min and Peixue Jiang, Tsinghua University, P. R. of China Experimental Investigation of Local Heat Transfer of Carbon Dioxide at Super-Critical Pressures in a Vertical Tube and Multi-Port Mini-Channels Under Cooling Conditions: Peixue Jiang, Chenru Zhao, Jianqiang Deng,

340

Wenxing Zhang and Runfu Shi, Tsinghua University, P. R. of China 161 365

Numerical Simulation on Flow Boiling and Two-Phase Frictional Pressure Drop in Microchannels: Rui Zhuan

and Wen Wang, Shanghai Jiaotong University, P. R. of China

Two Phase Flow Patterns During Condensation of Steam in Micro-Tubes: Huiyong Zhang, Junming Li, Gang An

and Buxuan Wang, Tsinghua University, P. R. of China

R-8: Heat Pumps for Space Heating II

441

Modeling and Testing of Water-Coupled Microchannel Gas Coolers for Natural Refrigerant Heat Pumps:

Brian M. Fronk, Carrier Corporation, USA; Christopher Goodman, United Technologies Research Center, USA; Srinivas Garimella , Georgia Institute of Technology, USA 210 312 354 397

Research on the Air Conditioning Water Heater System: Fei Liu, Yingjiang Ma and Rong Zhuang, Gree Electric

Appliances, Inc. of Zhuhai, P. R. of China

Seasonal Coefficient of Performance of Heat Pumps: Elias Kinab, Dominique Marchio and Philippe Riviere, Ecole des

Mines de Paris, France

Performance Testing of Unitary Heat Pumps at Off-Design Operating Conditions: Junhyeung Kim , Guido M.

Baretto, James E. Braun and Eckhard A. Groll, Purdue University, USA

Refrigerant and Scroll Compressor Options for Best Performance of Various European Heat Pump Configurations: Eric Winandy and Guy Hundy, Emerson Climate Technologies, Europe Structure Optimization of a Floor Cooling and Heating System for Ground Source Heat Pump: Suilin Wang,

213 186

Wei Mu, Shuyuan Pan and Yongzheng Shi, Beijing University of Civil Engineering and Architecture, P. R. of China

Numerical Simulation on Heat Transfer Characteristics of Soil Around U-Tube Underground Heat Exchangers: Weihua Yang, Shuhong Li and Xiaosong Zhang, Southeast University, P. R. of China

1:30­3:30 p.m. TUESDAY Afternoon Technical Sessions R-9: Vapor Compression Cycle Enhancements

197 171 119 120 229 252 390

Simulation and Validation of a Two-Stage Flash Tank Cycle Using R410A as a Refrigerant: Jonathan Winkler,

Xudong Wang, Vikrant Aute and Reinhard Radermacher, University of Maryland, USA

Investigation to Improve Efficiency of Transcritical R744 Two-Stage Vapor Compression Systems: Jennifer

Mott Peuker and Predrag S. Hrnjak, University of Illinois at Urbana-Champaign, USA

Performance Investigation of Refrigerant Vapor-Injection Technique: Xudong Wang, Yunho Hwang and Reinhard Radermacher, University of Maryland, USA; Hung M. Pham, Emerson Climate Technologies Inc, USA Theoretical Study on Separate Sensible and Latent Cooling (SSLC) Air-Conditioning System: Jiazhen Ling,

Yunho Hwang and Reinhard Radermacher, University of Maryland, USA

Thermoelectric Subcooler: Jonathan Schoenfeld, Jan Muehlbauer, Yunho Hwang and Reinhard Radermacher, University of

Maryland, USA Ganglei Sun, Liyong Lun and Zhao Cheng, North China Electric Power University, P. R. of China Wenxing Shi and Xianting Li, Tsinghua University, P.R. of China

Thermodynamic Analysis of CO2 Supercritical Two-Stage Compression Refrigeration Cycle: Yingbai Xie,

Thermodynamic Analysis on Heat Pump with Gas Refrigerant Injection and Elicitation: Baolong Wang,

R-10: Heat Transer and Pressure Drop I

187 322 209

Condensation Heat Transfer Coefficients of R245fa on a Horizontal Plain Tube: SeungGyoo Woo, KiJung Park

and Dongsoo Jung, Inha University, Korea; JongSeong Kim, Finetec Century Corp., Korea

An Experimental Study on Condensation of CO2 in a Horizontal Micro-fin Tube: Shigeru Koyama, Kyushu

University, Japan; Chieko Kondou, Hitachi Appliances, Inc., Japan; Ken Kuwahara, Kyushu University, Japan

The Effect of the Lubricating Oil Fraction Rate on the CO2 Evaporating Thermal and Hydraulic Characteristics: Masafumi Katsuta, Kyousuke Okuma, Takashi Hirade and Naoyuki Miyachi, Waseda University, Japan Theoretical Investigation on Condensing Characteristics of Air and Oil Vapor Mixtures: Cheng Li, Junming Li

212 431

and Buxuan Wang, Tsinghua University, P. R. of China

Prediction of Cooling Heat Transfer Coefficient of Supercritical CO2 With Small Amount of Lubricating Oil Entrained by Neural Network Method: Chaobin Dang and Eiji Hihara, The University of Tokyo, Japan Measurements of R-22 Two-Phase Friction Factor in Plate Heat Exchangers: Sanghoon Yoo, Kidong Son,

269 218

Sanggoo Park and Jihwan Jeong, Pusan National University, Korea

Heat Transfer and Pressure Drop During HC-600a (Isobutane) Condensation Inside a Brazed Plate Heat Exchanger: Giovanni A. Longo, University of Padova, Italy

R-11: Absorption Cooling

317

Absorption Resorption Cycle for Recovery of Diesel Engines Exhaust and Jacket Heat: Said El Bouazzaoui and Carlos Infante Ferreira, Delft University of Technology, The Netherlands; Jurgen Langreck, Colibri BV, The Netherlands; Jan Gerritsen, Grenco BV, The Netherlands Compression Resorption Cycles in Distillation Columns: Roi Taboada and Carlos Infante Ferreira, Delft University of

316 440 329

Technology, The Netherlands

Measurement of Absorption Rates in Horizontal-Tube Falling-Film Ammonia-Water Absorbers: Sangsoo Lee,

Samsung Techwin, Korea; Lalit Bohra, Exxon Mobil, USA; Srinivas Garimella, Georgia Institute of Technology, USA

Experimental Study on Concentration of Aqueous Lithium Bromide Solution by Vacuum Membrane Distillation Process: Zanshe Wang, Zhaolin Gu and Shiyu Feng , Xi'an Jiaotong University, P.R. of China

341 338 332

Experimental Analysis of Ammonia-Water Falling Film Absorption in External Magnetic Field: Xiaofeng Niu,

Kai Du, Bo Cheng and Zhihui Hu, Southeast University, P. R. of China

Parametric Studies on Compression-Absorption Refrigeration System: A. K. Pratihar, Delhi College of Engineering Delhi; Rahey S. Agarwal and S. C. Kaushik, Indian Institute of Technology Delhi, India Analysis on Hollow Fiber Membrane Heat Exchanger Applying to the Lithium Bromide Absorption Refrigeration System: Zanshe Wang, Shiyu Feng and Zhaolin Gu, Xi'an Jiaotong University, P.R. of China

4:00­6:00 p.m. TUESDAY Afternoon Technical Sessions R-12: Control and Diagnostics

424 314 313 434

Basic Air Conditioner Diagnostics Using a Simple Digital Thermostat: William E. Murphy, University of Kentucky,

USA

Evaluation of a Virtual Refrigerant Charge Sensor: Haorong Li, Woohyun Kim and James E. Braun, Purdue University,

USA

Fault Detection and Diagnostics for Commercial Refrigerator and Freezer Equipment: Adam Wichman and

James E. Braun, Purdue University, USA

Optimal Capacity Allocation among a Distributed Grid of Air-Conditioning, Refrigeration and Ventilation Units: Ratnesh Sharma and Manish Marwah, Hewlett-Packard, USA

133

Implementation of an Adaptive PI Controller in a Refrigerating System: Antonio Augusto Torres Maia, Luiz Machado, Ricardo Nicolau Nassar Koury, Alexandre Carlos Eduardo and Gilva Altair Rossi de Jesus, Federal University of Minas Gerais, Brazil Multivariable Control of Temperature and Humidity in a Direct Expansion (DX) Air Conditioning System: Qi

117 371 109

Qi and Shiming Deng, Hong Kong Polytechnic University, P. R. of China

Research Over Energy-Saving Control Strategy for Air-Condition System Optimization Under Partial Load:

Caihua Liang, Xiaosong Zhang and Xiuwei Li, Southeast University, P. R. of China

Development of Methodology for Quantifying the Reliability of Material Handling Devices by Diagnostic and Prognostic Approach Based on Stress and Fatigue: Vivek Mishra and Gita Agnihotri, MANIT, India Evaluation of Proportional-Integral-Controlled Electric Expansion Valve for Light Commercial Refrigeration Systems: Jackson Braz Marcinichen, Claudio Melo and Pedro C. Breda, Federal University of Santa Catarina, Brazil A Novel Dual-Siso Control Strategy for the Compressor Speed and the Expansion Valve Opening Used by Cassette Refrigeration Systems: Jackson Braz Marcinichen, Claudio Melo and Leonardo C. Schurt, Federal University of

442

443

Santa Catarina, Brazil 444

A Dual-Siso Controller for Vapor Compression Refrigeration Systems: Jackson Braz Marcinichen, Claudio Melo

and Thiago Nass de Holanda, Federal University of Santa Catarina, Brazil

R-13: Work Recovery

131 174

Analysis of Two Phase Flow Ejector For Transcritical CO2 Cycle: Fang Liu and Eckhard A. Groll, Purdue University,

USA

Condensing Ejector for Second Step Compression in Refrigeration Cycle: Mark J. Bergander, Magnetic Development, Inc., USA; David P. Schmidt and David P. Hebert, University of Massachusetts, USA; Jerzy Wojciechowski and Mateusz Szklarz, AGH University of Science & Technology, Poland Analysis of Expansion Waves Appearing in the Outlets of Two-Phase Flow Nozzles: Masafumi Nakagawa,

327 430

Atsushi Harada and Menandro Serrano Berana, Toyohashi University of Technology, Japan

Inhomogeneous Compressible Numerical Model and Experimental Investigation of the Mixing Phenomenon in a Two-Phase Ejector using R-134a: Ariel Roxas Marasigan, Toyohashi University of Technology, Japan

165 159 374 388

Shock Waves in Supersonic Two-Phase Flow of CO2 Through Converging-Diverging Nozzles: Masafumi

Nakagawa, Menandro Serrano Berana and Atsushi Harada, Toyohashi University of Technology, Japan

CFD Simulations of a Supersonic Ejector for Use in Refrigeration Applications: David Scott, Zine Aidoun, Omar

Bellache and Mohamed Ouzzane, Natural Resources Canada, Canada Yanagisawa, Shizuoka University, Japan

Observation of CO2 Trans-Critical Expansion Process: Mitsuhiro Fukuta, Masashi Higasiyama and Tadashi

A Study on Performance of Refrigeration Cycle Using Expander and Ejector: Yuanyanga Zhao, Liansheng Li,

Yunxia Liu, Le Wang and Pengcheng Shu, Xi'an Jiaotong University, P. R. of China

R-14: Heat Exchanger Enhancements

278 175 281

Two-Phase Flow-Boiling of R-134a/POE/CuO Nanofluid in a Horizontal Tube: Kristen Bartelt, Younggil Park, Liping

Liu and Anthony Jacobi, University of Illinois at Urbana-Champaign, USA

Conversion Coating of Aluminum-Finned Heat Exchangers and its Impact on Drainage Performance: Liping

Liu and Anthony M. Jacobi, University of Illinois at Urbana-Champaign, USA

Local Heat Transfer Enhancement Using Vortex Generator Arrays in Developing Channel Flows With an Isoflus Boundary Condition and the Implications on Air-Side Heat Exchanger Design in HVAC&R Applications: Jing He and Anthony M. Jacobi, University of Illinois at Urbana-Champaign, USA Polymer-Tube-Bundle Heat Exchanger for Liquid-to-Gas Applications: Younggil Park, Anthony M. Jacobi,

203

University of Illinois at Urbana-Champaign, USA

128 280 282 377

Hydrophilic Treatments of Copper Finned Tube Evaporators: Jingchun Min, Tsinghua University, P. R. of China Assessing Nanoparticles as a Heat Transfer Enhancement Method for Low Temperature Applications:

Andrew D. Sommers, Sam C. Sather, Matthew J. Widdowson and John A. Plominksi, Miami University, USA

Modeling the Retention of Water Droplets on Topographically-Modified, Micro-Grooved Aluminum: Andrew

Sommers, Miami University, USA

An Evaporative Style for Dynamic Ice-Slurry Producing with Super-Cooled Water: Xiuwei Li and Xiaosong

Zhang, Southeast University, P. R. of China

Check the Conference Overview Chart for details about the Technical Session Breakfast, Plenary Session, IIR Commission Meeting and Steak Barbeque

WEDNESDAY, JULY 16, 2008

9:45­11:45 a.m. WEDNESDAY Morning Technical Sessions R-15: Alternative Cooling and Heating Technologies I

352 290

CO2 Stirling Heat Pump for Residential Use: David M Berchowitz, Global Cooling, USA; Martien Janssen, Re/genT, The

Netherlands; Roberto O. Pellizzari, Environ Corporation, USA

Dynamic Behavior and Refrigeration Performance in a Heat Driven Type Compact Metal Hydride Refrigeration System: Sangchul Bae, Masataka Kosaka and Masanori Monde, Waseda University, Japan; Masafumi Katsuta,

Saga University, Japan 350

Ejector Refrigeration: An Overview of Historical and Present Developments with an Emphasis on AirConditioning Applications: Stefan Elbel, Creative Thermal Solutions, Inc., USA; Pega Hrnjak, University of Illinois at

Urbana-Champaign, USA and Creative Thermal Solutions, Inc., USA 376 399 383 103 214

Effects of Flow Maldistribution on Parallel Plate AMRR Systems: Michael Frischmann, Greg Nellis and Sandford

Klein, University of Wisconsin, USA

Heat-Activated Heat Pumps: Best Opportunity for HVAC Equipment Energy Use Reduction?: Detlef

Westphalen, John Dieckmann, Robert Zogg and Kurt Roth, TIAX LLC, USA

Investigation on the Performances of the Gas Driven Vuilleumier Heat Pump: Yingbai Xie, Xiuzhi Huang,

Chuntao Liu and Cheng Zhao, North China Electric Power University, P. R. of China

Exery Analysis of Einstein Refrigeration Cycle Capable of Using Low Qualified Heat Source: Rujin Wang,

Daoping Liu, Xiangmei Xue, Gang Li and Liang Zhang, University of Shanghai for Science and Technology, P. R. of China

Design Road-Map for Thermoacoustic Refrigerators: Kaveh Ghorbanian and Hamed Hosseini, Sharif University of

Technology, Iran

R-16: Technology and Refrigerant Assessments

135 300 299 349 342

A Study in Reliability Requirements for Sealed Systems to Meet Consumer Expectations: Daniel Conrad and

Murray Mallard, Whirlpool, USA; Norbert Mueller, Michigan State University, USA

Resource and Environmental Impacts of Improved Chiller Efficiency: James M. Calm, Engineering Consultant,

USA

Outlook and Availability for Current Refrigerants with New Requirements and Resulting Replacements:

James M. Calm, Engineering Consultant, USA

HFO-1234yf Low GWP Refrigerant Update: Barbara Minor, DuPont Fluoroproducts, USA; Mark Spatz, Honeywell

International, USA

Assessment of C6F as Working Fluid for Organic Rankine Cycle Applications: Joost J. Brasz, Carrier Corporation,

USA

110 184 216

Modeling and Design of an Indirect Air Conditioning System Operating With Low GWP Zeotropic Mixture:

Marian Hamdar, Assaad Zoughaib and Denis F. Clodic, Ecole des Mines de Paris, France

Performance of Alternative Refrigerant R430A on Refrigeration System of Water Purifiers: Sanghyun Park,

Jyungkee Kim and Kijung Park, Woongjin Coway Co., Ltd., Korea; Dongsoo Jung, Inha University, Korea

Selection of an Eco-Friendly Refrigerant for Replacing R22 in a Bulk Milk Cooler: Alka Bani Agrawal, R. K. Dave

and Vipin Shrivastava, UIT RGPV Bhopal India, India

R-17: Refrigeration

273 152 145 176

Simulation and Validation of a R404A/CO2 Cascade Refrigeration System: Jonathan Michael Winkler, Vikrant

Aute and Reinhard Radermacher, University of Maryland, USA; Doron Shapiro, Ingersoll-Rand Climate Control, USA

Improvement Study for Household Refrigerator/Freezer with Bottom-Mounted Freezer: Kueitien Lin and

Wenruey Chang, Industrial Technology Research Institute, Taiwan

A Simplified Semi-Empirical Approach to Assess the Energy Performance of Household Refrigerators:

Joaquim M. Gonsalves, Christian J. L. Hermes, Claudio Melo, Fernando T. Knabben, Federal University of Santa Catarina, Brazil

Implementation of Inverter-Driven Household Refrigerator/Freezer Using Hydrocarbon Isobutane for Refrigeration: Wen Ruey Chang, Industrial Technology and Research Institute, Taiwan; Tsong Se Shaut and Chiang Ho Lin,

Tatung Corporation, Taiwan; and Kuei Tien Lin, Industrial Technology and Research Institute, Taiwan 221 369 134

Analysis of the Operating Characteristics of a Low Evaporation Temperature R404A Refrigeration System:

Hongqi Li, Beijing University of Technology, P. R. of China; Zhigang Zhao; Chinese Academy of Science, P. R. of China

Use of R290/R170 in Lieu of R22/R23 in Cascade Refrigeration Cycle: Yingbai Xie, Chuntao Liu, Liyong Lun and

Xuedong Zhang, North China Electric Power University, P. R. of China

An Experimental Study on Oil Return of PAG and POE from an Evaporator Model for a CO2 Refrigeration System: Sungkwang Lee, Kookmin University, Korea; Byungha Kang, Kookmin University, Korea Characteristics of the Heat-Exchange Apparatuses of the Cascade Refrigeration Machine, Operating on NonN-Azeotropic Mixture: Karimov Kudrat Fuadovich, Tashkent State Technical University, Uzbekistan

364

1:00­3:00 p.m. WEDNESDAY Afternoon Technical Sessions R-18: Alternative Cooling and Heating Technologies II

298 411 296 100 389 124

Magnetic Heating, Refrigeration and Power Conversion: Peter W. Egolf, Andrej Kitanovski, Didier Vuarnoz, Marc

Diebold and Cyrill Gonin, University of Applied Sciences of Western Switzerland, Switzerland

The World's First Thermoacoustic Appliance, After One Year Running: Philip Shien Spoor, Clever Fellows

Innovation Consortium, USA

Modification and Research on Vortex Tube Refrigerator: Vinay Ankolekar and M. S. Tandale, Dr. Babasaheb

Ambedkar Technological University, India

Performance Characteristics of Ericsson's Vapor Compression Refrigeration Cycle: Nobumi Ino, Takayuki

Kishi and Toshio Nishio, Mayekawa Mfg., Japan

Selection of Alloys in a Metal Hydride Heat Pump-A Procedure: Fussheng Yang, Xiangyu Meng, Lei Hua, Zaoxiao

Zhang and Yongzhang Yu, Xi'an Jiaotong University, P. R. of China

Performance Analysis of Rankine Powered Refrigeration System Using R-134a for Cold Storage Like Applications: Maneesh Dubey and SPS Rajput , MANIT, India Energy and Exergy Analysis of a Micro Compressed Air Energy Storage and Air Cycle Heating and Cooling System: Youngmin Kim, Korea Institute of Machinery & Materials, Korea; Daniel Favrat, Ecole Polytechnique Federale de

149

Lausanne, Switzerland

R-19: Heat Pumps for Water Heating

408 245 163 427 211 249 178

Calculation of an Annual Domestic Hot Water Performance of an Air to Water Heat Pump: Sami Barbouchi,

EDF, France

High Efficiency Heat Pump for Domestic Hot Water Generation: Georges Nehme and Denis F. Clodic, Ecole des

Mines de Paris, France

Scroll Compressor Development for Air-Sourced Heat Pump Water Heater Applications: Shuichong Fan, Qiang

Liu and Shan He, Emerson Climate Technologies (Suzhou) R&D Co., Ltd., P. R. of China

Dehumidification Benefits Provided by a Small Add-on Heat Pump Water Heater: William E. Murphy, University

of Kentucky, USA

An Experimental Study on Heat Pump Water Heater System with Refrigerant Injection: Fei Liu, Yingjiang Ma

and Rong Zhuang, Refrigeration Institute of Gree Electric Appliances, Inc. of Zhuhai, P. R. of China

Analysis of Heat Pump Cycle Using CO2/DME Mixture Refrigerant: Yoji Onaka, Akio Miyara, and Koutaro Tsubaki,

Saga University, Japan; Shigeru Koyama, Kyushu University, Japan

Comparison of Two Gas Coolers in CO2 Heat Pump Water Heater: Minxia Li, Tianjin University, P. R. of China

R-20: Heat Exchanger Performance and Modeling

199 196

Usefulness of Entropy Generation Minimization Through a Heat Exchanger Modeling Tool: Varun Singh,

Vikrant Aute and Reinhard Radermacher, University of Maryland, USA

Study of Effect of Heat Transfer Through Fins in a Fin-and-Tube Carbon Dioxide Gas Cooler on its Performance Through Numerical Modeling: Varun Singh, Vikrant Aute and Reinhard Radermacher, University of

Maryland, USA 105 413 320 318

Heat Exchangers Used in Refrigeration Circuits: Fatma Salman Marhoon, University of Manchester, United Kingdom Effect of Heat Exchanger Size on Capacity and COP of a R744 System: Gustavo Pottker and Predrag S. Hrnjak,

University of Illinois at Urbana-Champaign, USA

Entropy Generation Analysis and Optimum Tube Length of Two-Phase Flow Evaporator Tube: Obiora Sam

Ezeora, D. P. Finn and D. J. Timoney, University College Dublin, Ireland

Experimental of the Super-Cooling of the Water in the Process of Termoacumulation in Cylindrical Capsules: Parameters of Influence: Hugo Guillermo, Jiménez Pacheco, Pontific Catholic University of Rio de Janeiro,

Brazil 226

Numerical Study of Horizontal Double-Pipe Thermal Accumulating Units Considering Heat Convection:

Shiyu Feng, Yun Li, Yuanrui Lu and Zhaolin Gu, Xi'an Jiaotong University, P. R. of China

3:20­5:20 p.m. WEDNESDAY Afternoon Technical Sessions R-21: Small-Scale Cooling Applications

334

Experimental Validation of an Analytic Optimization Model of a Mixed Gas Joule Thomson Cryosurgical Probe System: Harrison M. Skye, Sanford A. Klein and Gregory F. Nellis, University of Wisconsin - Madison, USA Flow Boiling Heat Transfer in Microchannel Cold Plate Evaporators for Electronics Cooling: Stefan S. Bertsch,

116 392 380

Eckhard A. Groll and Suresh V. Garimella, Purdue University, USA

Miniature Vapor Compression System: Fabricio C. Possamai, Dietmar E. B. Lilie and Augusto J.P. Zimmermann, Embraco, Brazil; Rajiv K. Mongia, Intel Corporation, USA A Novel Thermal Solution for Electronics Cooling, Part I: Design of a Thermal Control Unit (TCU): Ooikim Tiow and Tehyong Liang, Nanyang Technological University, Singapore; Florence Ng Pei Fan and Phaytiew Toon, AEM Singapore Pte. Ltd., Singapore

381

A Novel Thermal Solution for Electronics Cooling, Part II: Design of a Multi-Evaporator Refrigeration System: Ooikim Tiow and Tehyong Liang, Nanyang Technological University, Singapore; Florence Ng Pei Fan and Phaytiew

Toon, AEM Singapore Pte. Ltd., Singapore

R-22: Refrigerant Flow Control and Maldistribution

353 275

Analysis of Refrigerant Flow Distribution in Evaporators: Junhyeung Kim, James E. Braun and Eckhard A. Groll,

Purdue University, USA

Effect of Refrigerant Maldisistribution in Microchannel Evaporators on Performance: Chad D. Bowers,

University of Illinois at Urbana-Champaign, USA; Wiebke Brix and Brian Elmegaard, Technical University of Denmark, Denmark; Predrag S. Hrnjak, University of Illinois at Urbana-Champaign, USA 277

Modeling Refrigerant Distribution in a Microchannel Evaporator: Wiebke Brix, Technical University of Denmark,

Denmark; Chad D. Bowers, Predrag S. Hrnjak, University of Illinois at Urbana-Champaign, USA; Brian Elmegaard, Technical University of Denmark, Denmark 267

A Simulation for Predicting the Refrigerant Flow Characteristics Including Metastable Region in NonAdiabatic Capillary Tubes: Kidong Son, Sanggoo Park and Jihwan Jeong, Pusan National University, Korea Developing Two-Phase R134a Flow after an Expansion Valve in an 8.7mm Tube: Chad D. Bowers and Predrag S.

398 268

Hrnjak, University of Illinois at Urbana-Champaign, USA

Simulation of the Effects of a Non-Adiabatic Capillary Tube on Refrigeration Cycle: Sanggoon Park and Kidong

Son, Jihwan Jung, Pusan National University, Korea

R-23: Air Flow Modeling

241 153 356 403 386

Air Flow Modeling in a Mechanically Ventilated Enclosure: Ashok Babu Puttarangasetty Talanki, National Institute of

Technology, India

CFD Modeling and Validation of Temperature and Flow Distribution in Air-Conditioned Space: Jahar Sarkar and

Soumen Mandal, Institute of Technology, India

Condensing Unit Air Flow Distribution Analysis with Emphasis on CFD and Experimental Correlation: Abhijit

Kulkarni, Pavan Jorwekar and Sanjay Gosavi, Emerson Climate Technologies (India) Ltd., India

Application of Air Curtains in Refrigerated Chambers: J. Jaramillo, Assensi Oliva, Carlos D. Parez-Segarra and Carles

Oliet, Technical University of Catalonia, Spain

Investigation of Airflow and Temperature Distribution in a Tabletop Freezer Cabinet with Cold-Wall Evaporator: Husnu Kerpicci, Serdar Kocaturk, Yalcin Guldali and Levent Akdag, Arcelik A.S., Turkey Performance Evaluation and Design Optimization of Refrigerated Display Cabinets Through Computational Fluid Dynamic Analysis: Gianpiero Artico, Mousset Stephane, Fortini Davide and Luca Spinelli, EPTA Refrigeration S.p.A.,

139

Italy

Check the Conference Overview Chart for details about the Technical Session Breakfast, Plenary Session and Advisory Committee Meeting

THURSDAY, JULY 17, 2008

10:00 a. m.­12:00 p. m. THURSDAY MORNING Technical Sessions R-24: Heat Recovery and "Free" Cooling Technologies

160 289

Energy Conservation in a Clothes Washing Machine: Jaesung Park and Anthony M. Jacobi, University of Illinois at

Urbana-Champaign, Illinois, USA

Investigation of Direct Contact Heat Exchange with Conditioned Water Sprays: Joshua Hensley and James

Bryan, University of Missouri, USA

123 122 192 254 387

Development and Performance Evaluation of a Semi Indirect Evaporative Cooler: Maneesh Dubey, MANIT,

India

Performance Evaluation of Two Stage Indirect-Direct Evaporative Cooler: Maneesh Dubey, MANIT, India Research and Design for Digital Multi-Connected Ground-Source Heat Recovery Unit: Shenjun Xiao, Honghai

Peng and Aihua Li Tingman, Gree Electric Appliances, P. R. of China

Performance Characteristic and Optimization of a Simultaneous Heating and Cooling Multi Heat Pump:

Hoon Kang, Youngju Joo, Hyenjoon Jung, Sunil Lee and Yongchan Kim, Korea University, Korea Sarkar, Institute of Technology, India

Transcritical CO2 Heat Pump Simulation Model and Validation for Simultaneous Cooling and Heating: Jahar

R-25: Heat Transfer and Pressure Drop II

400

Heat Transfer Measurements of R134a and R290 (Propane) Boiling on Evaporator Tubes with Plain and Enhanced Finned Surfaces: Olaf Kruck and Andrea Luke, Institute of Thermodynamics, Germany An Experimental Study on Void Fraction of CO2 Flow Boiling in a Horizontal Micro-fin Tube: Chieko Kondou,

321 401 276

Hitachi Appliances, Inc., Japan; Ken Kuwahara and Shigeru Koyama, Kyushu University, Japan Hannover, Germany

Nucleate Boiling in Water for Different Pressures: Andrea Luke and Henning Curt Walter Feldmann, University of

Falling Film Mode Transition with Vapor Shear Effect: Binglu Ruan, Xi'an Jiaotong University, P.R. of China and

University of Illinois at Urbana-Champaign, USA; Anthony M Jacobi, University of Illinois at Urbana-Champaign, USA; Liansheng Li, Xi'an Jiaotong University, P.R. of China 418 194

Flow Regime, Film Thickness and Pressure Drop in Vertical Air/Water Two-Phase Flow: Andrea C. Ashwood

and Timothy A. Shedd, University of Wisconsin-Madison, USA

Evaporative Heat Transfer Coefficient of a HFC/HC Refrigerant Mixture Under Varied Heat Flux Condition at Low Mass and Heat Flux Application: Raja Balakrishnan, Mohan Lal Dhasan and Saravanan Rajagopal, Anna

University, India

R-26: Working Fluids

227 127

An Estimation Method for the Thermal Conductivity of the Refrigerants in the Liquid State: Giovanni Latini,

Universita Politecnica delle Marche, Italy

New High Pressure Low-GWP Azeotropic and Near-Azeotropic Refrigerant Blends: Nicholas Cox, Earthcare

Products Ltd., United Kingdom; Victor Mazur, Odessa Academy of Refrigeration, Ukraine; Daniel Colbourne, Re-phridge, United Kingdom 373

Solubility of CO2 in Commercial POE Oils with Different Standard Viscosity: Sergio Bobbo and Laura Fedele, Construction Technologies Institute, Italy; Francesco Pernechele, Construction Technologies Institute, Italy and Institute of Physical Chemistry, Poland; Roman Stryjek, Institute of Physical Chemistry, Poland Study on Refrigeration Properties and Mechanism of Hydrogel: Tong Zheng, Zuoda Sun, Fang Wang and Zhongyi

395 238 445

He, Harbin Institute of Technology, P. R. of China

Experimental Studies of Transport Properties of Water Vapor Through Membranes: Jingchun Min and Tsinghua

University, P. R. of China

Thermo-Physical and Flow Properties of CO2 Hydrate Slurry: Osmann Sari, Jin Hu and Sara Eicher, University of

Applied Sciences of Western Switzerland, Switzerland; P. W. Egolf and Paul Homsy, Nestec, Switzerland; Jean-Claude Logel, Axima Refrigeration, France

1:00 p. m.­3:00 p. m. THURSDAY Afternoon Technical Sessions R-27: Dynamic Behavior of Components and Systems

351 198 406 407

Dynamic Liquid Hold Up Behavior in Accumulator: Cara Marin, Yunho Hwang and Reinhard Radermacher, University

of Maryland, USA

Effect of Void Fraction Model on the Dynamic Performance of Moving Boundary Heat Exchanger: Omar

Abdelaziz, Vikrant Aute and Reinhard Radermacher, University of Maryland, USA

Detailed Unsteady Simulation of Liquid Overfeed Refrigerating Systems: A. Sadurna, Carles Oliet, Joaquim Rigola

and Assensi Oliva, Technical University of Catalonia, Spain

Numerical Resolution of Two-Fluid Model Equations for Condensation and Evaporation Flow in Ducts Using a Pressure Based Method: S. Morales, Joaquim Rigola, Assensi Oliva and Carlos D. Parez-Segarra, Technical University of

Catalonia, Spain 169 368

Refrigerant Mass and Oil Migration During Start-up Transient: Steffen Peuker and Predrag Hrnjak, University of

Illinois at Urbana-Champaign, USA

Study of Correlation of the Transient Refrigerant Distribution and the Cycle Efficiency in the Vapor Compression Refrigeration Cycle: Fumitake Unezaki, Mitsubishi Electric Corporation, Japan; Eiji Hihara , The University

of Tokyo, Japan 132

Mathematical Model of a Water-Water Refrigerating System: Antonio Augusto Torres Maia, Luiz Machado and

Ricardo Nicolau Nassar Koury, Federal University of Minas Gerais, Brazil

R-28: Solar Assisted Systems

379

Conceptual Design of Scroll Expander-Compressor for Stirling Engine: Wooyoung Kim and Hyunjin Kim, University of Incheon, Korea; Youngmin Kim, Korea Institute of Machinery & Materials, Korea; Sangtae Lee, Tempia Co. Ltd., Korea Development and Application of Engineering-Scale Solar Water Heater System Assisted by Heat Pump:

225 108 339

Xiufeng Gao, Shiyu Feng, Yun Li and Zhaolin Gu, Xi'an Jiaotong University, P. R. of China

Experimental Analysis of Solar Refrigeration System: Sanjaykumar Arjunrao Borikar, Uday S. Wankhede, KITS

Ramtek, India

Experimental Investigation of Solar Assisted Air/Ground Source Transcritical CO2 Heat Pump and Refrigeration System: Peixue Jiang, Youwei Zhang, Xian Mu, Zhaohu Sun and Guoliang Wang, Tsinghua University, P. R.

of China 224 367

Experimental Study and Simulation of Central Solar Hot Water Supply System Assisted by Heat Pump:

Shiyu Feng, Wei Hu, Xiufeng Gao, Yun Li and Zhaolin Gu, Xi'an Jiaotong University, P. R. of China

Operating Characteristics of a Photovoltaic/Thermal Integrated Heat Pump System: Guoying Xu, Xiaosong

Zhang and Lei Yang, Southeast University, P. R. of China

R-29: Split Air Conditioning Systems

435 264

Building Multi Air Conditioner with Higher Installation Flexibility and Fault Detection Function: Saikee Oh, Ilnahm Hwang, Byeongcheol Lee, Sangheon Lee, Byeongsoon Kim and Baikyoung Chung, LG Electronics Inc., Korea The Effect of the Ventilation and the Control Mode on the Performance of a VRV System in Cooling and Heating Modes: Tolga N. Aynur, Yunho Hwang and Reinhard Radermacher, University of Maryland, USA Study on Performance Evaluation Method of a Split Air Conditioning System Based on Characteristic Curve of the Compressor Mass Flow Rate: Shinichi Takahashi, Tokyo University of Marine Science and Technology, Japan;

378

Takeshi Yokoyama and Toru Ichikawa, Tokyo Gas Co., Ltd., Japan; Masayasu Itou, Ministry of Land, Infrastructure and Transport Government of Japan, Japan; Shigeki Kametani, Tokyo University of Marine Science and Technology, Japan 253

Running Performance of Split-Type Air Conditioning Systems Installed in School and Office Buildings in Tokyo: Toru Ichikawa, Tokyo Gas Co., Ltd., Japan; Akio Funatani, Osaka Gas Co., Ltd., Japan; Won Anna and Satoshi

Yoshida , Yokohama National University, Japan;, Shigeki Kametani, Tokyo University of Marine Science and Engineering, Japan; Tatsuo Nobe, Kogakuin University, Japan 394

Development and Experimental Researches on A Multi-Connected Air-Conditioning System: Hongqi Li, Beijing

University of Technology, P. R. of China; Chaofu Zhang , Beijing Aerospace Changfeng Co., Ltd, P. R. of China

Information

Session C-01: CO2 Compressors & Expanders I

21 pages

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