From: Kinetic comparative study on aerodynamic characteristics of hypersonic reentry vehicle from near-continuous flow to free molecular flow
Ma
Re
KnHS
ρ∞,kg/m3
T∞,K
Tw,K
Case1
8.0
5.937
2.75
1.11×10−7
56
300
Case2
59.37
0.275
1.11×10−6
Case3
593.7
0.0275
1.11×10−5
Case4
5937.0
0.00275
1.11×10−4