F • CONVECTIVE HEAT TRANSFER IN GASES 



2 



Temperature, °R X lO'^ 



Fig. F,22c. Prandtl number of air as a function of temperature at 0.1-atm pressure. 



12 16 20 24 



Mach number Moo 



Fig. F,22d. Ratio of stagnation to ambient density across a normal shock for air. 



< 420 ) 



