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Hypersonic nozzle flow of air with high initial dissociation levels

Published online by Cambridge University Press:  29 March 2006

R. J. Stalker  and
M. K. McIntosh
R. J. Stalker
Affiliation:
Physics Department, Australian National University, Canberra
M. K. McIntosh
Affiliation:
Physics Department, Australian National University, Canberra
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Abstract

An experimental investigation was undertaken of the flow produced by the inviscid expansion of air through a hypersonic nozzle. Stagnation enthalpy levels up to 4 × 107 J/kg were used, with initial dissociation levels approaching 90%. By measuring the flow velocity and the frozen dissociation fractions of oxygen and nitrogen, it was found that existing theoretical models served adequately to define the nozzle flow, at least for the purpose of conducting experiments involving reacting inviscid hypersonic flows about blunt bodies.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 58 , Issue 4 , 22 May 1973 , pp. 749 - 761
Copyright
© 1973 Cambridge University Press

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