AE 2350 Introduction to AE - Ehsan Roohi Golkhatmi

AE 2350 Introduction to AE - Ehsan Roohi Golkhatmi

Chapter 5 (Mattingly) By: Ehsan Roohi 1

Brayton Cycle Parametric Cycle Analysis Ramjet Turbojet Turbofan

2 Two Turbines

Reheat Regenerator 3

4

Parametric cycle analysis is also called design point analysis or on-design analysis because each plotted engine is operating at its so-called design point.

The main objective of parametric cycle analysis is to relate the engine performance parameters (primarily thrust F and thrust specific fuel consumption S) to design choices (compressor pressure ratio, fan pressure

ratio, bypass ratio, etc.), to design limitations (burner exit temperature, compressor exit pressure, etc.), and to flight environment (Mach number, ambient temperature, etc.).

5 6

7 1) Thrust 8

Free stream, diffuser , compressor, burner, turbine, after burner, nozzle 9 10

11 12

1 2 3

13 4

5: Combustions 7 9 14

15 16

17 18 19

20 Ideal Turbojet with Afterburner

21 22 http://www.jsmatt.com/custom1.html

Download: PARA V4.0 HW (Ch. 5): 6, 16, SM5.4 23

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