Conversion of inviscid normal-force coefficients in helium to equivalent coefficients in air for simple shapes at hypersonic speeds

James N. Mueller
naca-tn-3807
Oct 1956

A correlation factor applicable for converting inviscid aerodynamic normal-force coefficients of simple shapes in helium to equivalent coefficients in air is found by using calculations based on the shock-expansion method at Mach numbers of 12, 16, and 20.

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