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Axisymmetric expansion of a gas from a nozzle into a vacuum

Published online by Cambridge University Press:  29 March 2006

Thomas W. Tuer  and
George S. Springer
Thomas W. Tuer
Affiliation:
Fluid Dynamics Laboratory, Department of Mechanical Engineering, University of Michigan, Ann Arbor Present address: Science Applications, Inc., P.O. Box 328, Ann Arbor, Michigan 48107.
George S. Springer
Affiliation:
Fluid Dynamics Laboratory, Department of Mechanical Engineering, University of Michigan, Ann Arbor
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Abstract

Using a test-particle Monte Carlo method the general features of a gas expanding from a circular nozzle into a vacuum were investigated. Calculations were performed by considering the flow to be uniform and axial at the exit plane of the nozzle with an exit Mach number of 3 and a throat Reynolds number of 25. Results are presented for the density, mean flow velocity and kinetic temperature of the gas. Near the axis of the jet the calculated density distributions were found to agree well with those given by Robertson & Willis. Results are also presented for regions far from the jet's axis where no other solution is available.

Information

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 66 , Issue 1 , 21 October 1974 , pp. 107 - 113
Copyright
© 1974 Cambridge University Press

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References

Bird, G. A. 1970 A.I.A.A. J. 8, 1998.
Grier, N. T. 1969 In Rarefied Gas Dynamics (ed. Trilling & Wachman), p. 895. Academic.
Peracchio, A. A. 1970 A.I.A.A. J. 8, 1965.
Robertson, S. J. & Willis, D. R. 1971 A.I.A.A. J. 9, 291.
Shapiro, A. H. 1953 Compressible Fluid Flow, vol. 1, chap. 4. Ronald Press Co.
Tuer, T. W. & Springer, G. S. 1974 Computers & Fluids, 1, 399.