1. AERODYNAMICS OF RE-ENTRY CAPSULES
A.S. LYASKIN, V. G. SHAKHOV

2. Tsien’s chart
Reynolds number
Mach number
Knudsen number
continuum flow
slip flow
transition phase
free-molecular
(rarefied) flow

3. Free-molecular (rarefied) flow Diffuse reflection Mirror reflection
Glass
Enamel

4. Continuum flow
subsonic flow
transonic flow
supersonic flow
hypersonic flow

5. Methods for calculation of aerodynamic parameters
sub-, trans-, super- and hypersonic flows
arbitrary shapes, close to body of revolution
arbitrary angles of attack
local flow parameters
Navier-Stokes equations
Euler equations
Finite volume method
Large particle method

6. Sphere (Photino), M=3, Re6·105, T0body=293K
Surface temperature
With heat
transfer
Flow temperature
Without
heat transfer

7. YES2 AIR
3D CAD model
3D FV mesh (Star-CD, SSAU)
2D FV mesh (Fluent, Marco)

8. Low-speed wind-tunnel T-3 6-component strain balance - angles change
Experimental methods
Wind-tunnels:
low-speed
subsonic
transonic
supersonic
hypersonic
Special facilities:
...
SSAU AUTOMATIC SYSTEM FOR AERODYNAMIC EXPERIMENTS
Low-speed wind-tunnel T-3
6-component strain balance
- angles change
digital video camera
Intranet and Internet

9. Experimental methods

10. Experimental methods