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A note on the variation of vibrational temperature along a nozzle

Published online by Cambridge University Press:  28 March 2006

J. L. Stollery  and
J. E. Smith
J. L. Stollery
Affiliation:
Department of Aeronautics, Imperial College, University of London
J. E. Smith
Affiliation:
Department of Aeronautics, Imperial College, University of London
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Abstract

Vibrational relaxation effects are examined for hypersonic nozzle air flows. A simple method of estimating the distribution of vibrational temperature along a nozzle is described and higher-order approximations discussed. Results are presented for hyperbolic axisymmetric nozzles with reservoir conditions 1000 ≤ p0 ≤ 4000 p.s.i., 1000 ≤ T0 ≤ 3000 °K. Vibrational freezing is shown to occur and to cause significant changes in the nozzle exit flow conditions.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 13 , Issue 2 , June 1962 , pp. 225 - 236
Copyright
© 1962 Cambridge University Press

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