Shock structure in hypersonic flows

Abstract eng:
The structure of a gas-dynamic shock wave at hypersonic conditions is of great interest. The Navier–Stokes–Fourier formulation is known to yield incorrect shock profiles even at moderate Mach numbers. This is an excellent test problem for extensions of such equations for flows with large gradients since accurate experimental results are available. We present a second order formulation of the constitutive equations based solely on continuum theory. Results of the second-order theory applied to the shock structure are obtained for monatomic and diatomic gases over a large range of Mach numbers and are compared to experimental results.

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