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Euler calculations of diffuser flow field, free jets and impinging jets

Euler calculations of diffuser flow field, free jets and impinging jets Under and overexpanded jet flows are calculated for theEuler equations. The solution procedure is based on the twostageRungeKutta timestepping scheme. The studies of the flow fieldstructure in diffusers, free jets and impinging jets have been investigatedfor a range of jettostream total pressure ratios and fordifferent exit Mach numbers. The resulting flows show a complexshockshear expansion structure with Mach discs. Numerical results arecompared with available experimental data and with previously published data.An oscillating phenomenon was observed in the case of free jets operating atsonic exit Mach number and in another case of impingement ofunderexpanded jets on a flat plate. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Numerical Methods for Heat and Fluid Flow Emerald Publishing

Euler calculations of diffuser flow field, free jets and impinging jets

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References (4)

Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0961-5539
DOI
10.1108/EUM0000000004066
Publisher site
See Article on Publisher Site

Abstract

Under and overexpanded jet flows are calculated for theEuler equations. The solution procedure is based on the twostageRungeKutta timestepping scheme. The studies of the flow fieldstructure in diffusers, free jets and impinging jets have been investigatedfor a range of jettostream total pressure ratios and fordifferent exit Mach numbers. The resulting flows show a complexshockshear expansion structure with Mach discs. Numerical results arecompared with available experimental data and with previously published data.An oscillating phenomenon was observed in the case of free jets operating atsonic exit Mach number and in another case of impingement ofunderexpanded jets on a flat plate.

Journal

International Journal of Numerical Methods for Heat and Fluid FlowEmerald Publishing

Published: Apr 1, 1995

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