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Turbomachinery Design and Performance

This course is designed to present an overview of turbomachinery. It Mechanical will begin by covering fundamenEngineering tals such as nomenclature and the classification of turbomachines. It Advanced Technology & Management Programs will then move on to various mathematical analysis techniques that allow turbomachine performance to be calculated. The course will conclude by looking at a number of specific types of turbomachines, such as turbines, pumps, fans, and blowers, and interpreting real-world performance data for the machines. The course will be very interactive in nature. Participants will be given example problems to work in class and then the solutions to these problems will be used to illustrate and supplement the instruction.

What You Need to Know:

Course Code: EN00042502 Tape-delayed Satellite Broadcast Date: Tuesday, April 25 and Wednesday, April 26, 2000 Time: 8am-2pm Pacific 9am-3pm Mountain 10am-4pm Central 11am-5pm Eastern CEU: 1.0 Sponsor: National Technological University Who to contact for more information: · Your Site Coordinator · NTU's Web pages: www.ntu.edu (ATMP non-credit courses link) · Call NTU at (800) 582-9976

BENEFITS: After taking this course, you will be able to:

- Correctly use the nomenclature associated with turbomachines - Classify turbomachines based on their construction - Know how the governing conservation equations are applied to turbomachines - Predict turbomachine performance - Interpret turbomachine performance data - Understand turbomachine performance limits - Understand problems associated with exceeding performance limits

Presenter:

Kevin Whitaker is an Associate Professor of Aerospace Engineering and Mechanics at the University of Alabama. He regularly teaches graduate and undergraduate courses on all aspects of aerodynamics and propulsion. His research interests have led him to work with the NASA on numerous occasions, most recently involving the performance analysis of the Space Shuttle Main Engine. Dr. Whitaker is also a co-principal investigator on a national effort to reform science, mathematics, engineering and technology courses for future teachers. In this regard he is part of a team conducting workshops for other highereducation faculty. He also actively involved with pedagogical reforms taking place in engineering education. Dr. Whitaker holds a B.S. in Mechanical Engineering from General Motors Institute (now know as Kettering University) and a M.S. in Mechanical Engineering and a Ph.D. in Aerospace Engineering both from Texas A&M University. He is a member of ASME and a senior member of AIAA.

INTENDED AUDIENCE: This course is designed for engineers, technicians, or technical program managers who need to have a basic understanding of turbomachine design and analysis.

PREREQUISITES: Participants should have a basic understanding of fluid mechanics, algebra and trigonometry. Calculators are strongly recommended.

Turbomachinery Design and Performance Course Outline and Learning Objectives

Day 1 11:00-Noon Session 1: Introductory Concepts - Basic definitions - Industry standard nomenclature for describing turbomachines - Turbomachine classifications - Review of units and dimensions - Fluid properties Noon-12:30 Lunch Break 12:30-1:20 Session 2: The Governing Equations - Conservation of mass - The Euler turbomachine equation - Turbomachine power - Conservation of energy 1:20-1:30 Break 1:30-2:30 Session 3: Similitude (continued) - Incomplete similitude - The Pump Laws - Dimensionless performance coefficients 2:30-3:00 3:00-3:50 Break 12:30-1:20 Session 2: Similitude - Geometric similarity - Kinematic similarity - Dynamic similarity - The Buckingham Pi Theorem 1:20-1:30 1:30-2:30 Session 3: Velocity Polygon Analysis - Velocity components and geometry - Applying velocity polygons to simple turbomachines - Power and torque prediction 2:30-3:00 3:00-3:50 Break Break Day 2 11:00-Noon Session 1: Performance Characteristics (continued) - Design parameters and performance criteria - Examination of typical turbine performance - System losses - Turbine sizing Noon-12:30 Lunch Break

Session 4: Velocity Polygon Analysis (continued) - Relationships between head and flow rate - Interpreting performance data Break

Session 4: Similarity Rules for Turbomachines - Scaling effects - Turbine and pump performance curves - Real-world effects (viscosity and cavitation) Break

3:50-4:00 3:50-4:00 4:00-5:00 4:00-5:00 Session 5: Performance Characteristics Design parameters and performance criteria Examination of typical pump performance System losses Pump sizing

Session 5: Fans, Blowers, Compressors and Propellers - Compressible fluids - Modifications to the governing equations - Thrust

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