Factors Affecting the Surface Temperature of a Hypersonic Aircraft

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Abstract
Summary It is shown that by combining the dependence of boundary layer heating on local flow conditions with the lifting characteristics of hypersonic wings a simple relationship between wing loading and surface temperature can be derived. This replaces the common concept of an altitude/Mach number flight corridor through which hypersonic flight appears possible without exceeding an acceptable surface temperature, and indicates that flight beyond Mach 6 will in fact require considerable material or cooling developments.

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