Standard

 

AMT 223 - Gas Turbine Powerplants I

Course Description

This course provides a study of the fundamentals and evolution of the jet engine and jet propulsion. Topics include: aircraft gas turbine engine theory, and inspect and troubleshoot unducted fan systems and components.

 

Competency Areas

Hours

 

Aircraft Gas Turbine Engine Theory

Class

5

Inspect, and Troubleshoot Unducted Fan Systems and Components

D. Lab

0

 

P. Lab/O.B.I.

0

 

Credit

5

 

 

 

Prerequisite:

Program admission

Corequisite:

 

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D.Lab

P.Lab/

O.B.I.

AIRCRAFT GAS TURBINE ENGINE THEORY 

45

0

0

Background and development

Explain the history and development of the gas turbine engine.

 

 

 

 

Explain the different types of gas turbine engines.

 

 

 

Turbine engine principles

Explain the principles of physics that apply to gas turbine engines.

 

 

 

 

Explain how thrust is calculated.

 

 

 

 

Describe the factors and variables affecting gas turbine engine performance.

 

 

 

 

Describe the purpose and effects of ram recovery.        

 

 

 

 

Explain the purpose of jet fuel controls.            

 

 

 

RPM limits

Explain RPM limits of turbine engines to include centrifugal flow, axial flow, axial versus centrifugal flow, and speed of sound.

 

 

 

Air inlet section

Explain the principle of operation and airflow through the air inlet ducts.

 

 

 

Compressor section

Explain the airflow through axial flow and centrifugal flow compressors.

 

 

 

Diffuser

Trace and explain airflow through a diffuser.

 

 

 

Combustion (burner) section

Identify the combustion section and explain types, functions, and characteristics of combustion chambers.

 

 

 

Turbine section

Identify the types of turbine wheels and blades and their location.

 

 

 

Exhaust section

Describe the characteristics of the exhaust section.

 

 

 

 

Identify the components and trace the airflow of the exhaust section.

 

 

 

Accessory section

Explain the purpose and function of the accessory section.

 

 

 

Thrust reversers

Explain the characteristics of thrust reversers.

 

 

 

Noise suppressors

Describe the characteristics and types of noise suppressors.

 

 

 

Afterburner

Explain the function of the afterburner.

 

 

 

INSPECT AND TROUBLESHOOT UNDUCTED FAN SYSTEMS AND COMPONENTS

5

0

0

Inspect

Discuss the inspection procedures for unducted fan systems and components.

 

 

 

Troubleshoot

Identify troubleshooting techniques for unducted fan systems and components.

 

 

 

 

Describe the method of thrust generation in unducted fan systems.

 

 

 

 

Discuss the operating principles involved in the unducted fan systems and components.

 

 

 

 

Suggested Resources

 

Books

 

Aviation Book Company. (1988). Federal aviation regulations for mechanics. Glendale, CA: Author.

Crane, D., et al. (1983). A & P technician powerplant textbook. Casper, WY: IAP.

IAP, Inc. (1976). Airframe and powerplant mechanics general handbook. Casper, WY: Author.

IAP, Inc. (1988). AC 43.13-1A-change three -- acceptable methods, techniques, and practices: Aircraft inspection and repair. Casper, WY: Author.

IAP, Inc. (1990). CARACOMP the electronic tutor: Aviation technician airframe program computer software. Casper, WY: Author.

IAP, Inc. (1990). FAR handbook for aviation maintenance technicians. Casper, WY: Author.

Kroes, M. J., et al. (1990). Aircraft powerplants (6th ed.). New York: McGraw-Hill.

Otis, C. (1989). Aircraft gas turbine powerplants (2nd ed.). Casper, WY: IAP.