CNATRAINST 1542.8J
19 March 2001
OUTLINE OF INSTRUCTION
Lesson Topic 3.4:
Turbojet and Turbofan Engines
Contact Periods:
5 Classroom
Media:
Electronic classroom presentation with slides
Terminal Objective:
Partially supported by this lesson topic:
3.0
Upon completion of this unit of instruction the student
naval aviator will demonstrate knowledge of the fundamentals
of power plants and associated accessory systems.
Enabling Objectives:
Completely supported by this lesson topic:
3.41
Identify the components of a turbojet engine.
3.42
Define Thrust specific fuel consumption (TSFC).
3.43
Describe the operation of a turbojet engine.
3.44
Compare the propulsive efficiencies of a turbojet,
turbofan, and turboprop.
3.45
Compare TSFC of a turbojet with the turbofan.
3.46
Describe the characteristics of a turbojet engine.
3.47
Identify the components of a turbofan engine.
3.48
Describe the basic operation of a turbofan engine.
3.49
Describe the characteristics of a turbofan engine.
3.50
State the average percentage of total thrust produced
by the fan.
3.51
State the average percentage of total thrust produced
by the exhaust gases of the gas generator on a
turbofan engine.
3.52
Explain how the fan is driven by the turbine section.
3.53
Define bypass ratio.
3.54
Explain how bypass ratio affects a turbofan engine's
TSFC.
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