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Hands On Experience With A Turbojet Engine In The Thermal Science Laboratory Course

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Conference

2008 Annual Conference & Exposition

Location

Pittsburgh, Pennsylvania

Publication Date

June 22, 2008

Start Date

June 22, 2008

End Date

June 25, 2008

ISSN

2153-5965

Conference Session

Experiments and Laboratories in Mechanical Engineering

Tagged Division

Division Experimentation & Lab-Oriented Studies

Page Count

13

Page Numbers

13.662.1 - 13.662.13

Permanent URL

https://peer.asee.org/4115

Download Count

891

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Paper Authors

biography

Messiha Saad North Carolina A&T State University

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Messiha Saad is an Assistant Professor of Mechanical Engineering at North Carolina A&T State University. He received his Ph.D. from North Carolina State University. He taught mechanical engineering core courses for more than twelve years; he also teaches internal combustion engines, design of thermal systems, and related courses in the thermal science areas. He received numerous teaching awards including: “The Most Helpful Teacher of the Year Award” in 2005, “Procter & Gamble Student Choice Award – Favorite Teacher” in 2004, and “Teacher of the Year Award” in 1997. He is a member of ASEE, ASME, and SAE.

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Abstract
NOTE: The first page of text has been automatically extracted and included below in lieu of an abstract

Hands-On Experience with a Turbojet Engine in the Thermal Science Laboratory Course

Abstract

Thermal Science laboratory is the third course in the sequence of four mechanical engineering laboratories offered by the Department of Mechanical Engineering at North Carolina A&T State University. The course is one credit hour, meeting once a week for two hours. The course includes selected experiments on heat transfer and thermodynamics.

In an effort to give students a combination of theoretical background and hands-on experience, a new experiment on gas turbine engine was introduced. This paper describes the experiences the students gained in this experiment. During this laboratory the students actually learned how to operate a turbojet engine, collected and analyzed the output data including thrust and efficiency, and related the experimental result to the theory learned in the thermodynamics course. This experiment complemented the thermal science laboratory course and fully integrated some aspects of thermodynamics and enhanced the student’s learning process.

The turbojet engine used in the laboratory was a table top arrangement of a single-stage radial-flow compressor, a single-stage axial-flow turbine, and a reverse-flow annular combustion chamber turbojet engine. The engine is of a single shaft design. Both the compressor and turbine rotate on the same shaft at the same speed. The turbojet engine was equipped with a data acquisition system to monitor engine speed, exhaust gas temperature, fuel flow and thrust.

Introduction

This experiment is designed to give the students a hands-on experience with a jet engine, and to directly relate the mechanical device to the theory learned in a typical thermodynamics course. This paper describes the experiences the students gained in the areas of propulsion and gas turbine engines. The laboratory introduces the students to the basic principles of the gas turbine engine. During this experiment the students actually learn how to operate a jet engine, collect and analyze the output data and relate the result to the theory learned in the thermodynamics courses. The broader educational objectives are to improve the students’ understanding of thermodynamics, to help them integrate this knowledge with other subjects, and to give them a better basic understanding of how a jet engine works.

Saad, M. (2008, June), Hands On Experience With A Turbojet Engine In The Thermal Science Laboratory Course Paper presented at 2008 Annual Conference & Exposition, Pittsburgh, Pennsylvania. https://peer.asee.org/4115

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