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Introduction to Propulsion

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Presentation on theme: "Introduction to Propulsion"— Presentation transcript:

1 Introduction to Propulsion
Lecture #11 Ehsan Roohi Sharif University of Technology Aerospace Engineering Department

2 Oblique Shock: who Knows me? (Chap. 4, Anderson, MCF)

3 Shock Relation

4 q-b-M Relation

5 Aerodynamics, by: Anderson
Example Pages Aerodynamics, by: Anderson

6 Example P1 effects comes inside Cp

7 Shock Reflection

8 INTERSECTION OF SHOCKS OF OPPOSITE FAMILIES
Therefore, the entropy in regions 4 and 4‘ is different. Consequently, the dividing streamline EF between these two regions is a line across which the entropy changes discontinuously. Such a line is defined as a slip line. temperature and density, as well as the entropy and velocity magnitude, are different in regions 4 and 4'.

9 INTERSECTION OF SHOCKS OF THE SAME FAMILY

10 DETACHED SHOCK WAVE IN FRONT OF A BLUNT BODY

11 PRANDTL-MEYER EXPANSION WAVES

12 Example Read Ex. 4.16/ 4.17

13 Nozzle

14 Example: Constant Area Heating

15 Tables

16 Example L*1: Length required to chock.
L*2: Length remaining to chocking length

17 HWs Anderson, MCF: 4.12, 4.18 Deadline for this week HW’s: (29ST of Ordibehesht)

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