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Simulation of the starting flow in a wedge–like nozzle |
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| Authors: | O. Igra L. Wang J. Falcovitz O. Amann |
| Affiliation: | (1) The Pearlstone Center for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel , IL;(2) Institute of Mathematics, Hebrew University of Jerusalem, Jerusalem 91904, Israel , IL;(3) Ernst Mach Institute, 79104 Freiburg, Germany , DE |
| Abstract: | The starting process of the flow in a wedge-like expansion nozzle of a shock tunnel is simulated by an unsplit 2-D GRP scheme on an unstructured grid. The scheme is briefly outlined and results are presented and discussed in comparison to the experimental (shadowgraph) findings obtained by Amann. The simulated pattern of reflected and transmitted shock waves in the nozzle inlet region and inside the nozzle is found to agree well with the experimental data. Received 5 April 1996 / Accepted 16 June 1997 |
| Keywords: | :Nozzle starting Expansion nozzle Shock tunnel Generalized Riemann problem |
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