SIMILITUDE FOR NORMAL SHOCK WAVES IN NONEQUILIBRIUM FLOWS.
Interim technical rept. no. 5,
OHIO STATE UNIV RESEARCH FOUNDATION COLUMBUS AERODYNAMIC LAB
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Similarity parameters are developed which govern the length of nonequilibrium zones behind normal shock waves. Non-equilibrium effects produced by both vibrational relaxation and dissociation are considered. The parameters can also account for arbitrary levels of free-stream vibrational energy or dissociation level. The validity of the parameters is examined using numerical computations of the properties of the non-equilibrium fields. These computations are made with the aid of experimentally based rate expressions. The parameters, when written in a form describing the variation of non-equilibrium zone length with Mach number, are shown to have acceptable accuracy. Author
- Fluid Mechanics