1. EA 332: Gas Dynamics Introductory Concepts David S. Miklosovic 05 January 2007

2. Gas Dynamics involves… Dynamic motion of gasses Dynamic motion of gasses Thermodynamic effects Thermodynamic effects Compressible aerodynamics Compressible aerodynamics Shock and expansion waves Shock and expansion waves Wave motion Wave motion Gas kinetics Gas kinetics

3. Continuum Flow Inviscid Flow Viscous Flow Low Density and Free Molecule Flow AERODYNAMICS Subsonic Flow Compressible Flow Incompressible Flow Transonic Flow Supersonic Flow Hypersonic Flow Flow Regimes

4. Bell X-1

5. F-4C Phantom Level Acceleration Level accel at 35,000 ft Level accel at 35,000 ft Aircraft configuration Aircraft configuration W = 38,924 lbs W = 38,924 lbs 60% internal fuel 60% internal fuel 4 AIM-7 missiles 4 AIM-7 missiles c.g at 0.289MAC (MAC=16.04 ft) c.g at 0.289MAC (MAC=16.04 ft) S = 530 ft 2 S = 530 ft 2 Reference: Heffley, Robert K. and Wayne F. Jewell, Aircraft Handling Qualities Data, NASA CR-2144, December 1972.

6. Parasite Drag

7. F111

8. FB-111

9. SR-71

10. XB-70

11. F-16

12. F-15

13. F5

14. XF-104