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Fifth International Symposium on Turbulence and Shear Flow Phenomena
August, 27-29, 2007, Technische Universität München, Munich, Germany

DOI: 10.1615/TSFP5

NUMERICAL SIMULATION OF THE FLOW OVER A CONFINED SHALLOW CAVITY

pages 221-225
DOI: 10.1615/TSFP5.330
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Краткое описание

A high-Reynolds, moderate Mach number confined flow over a cavity is investigated numerically by solving the 3-D compressible Navier-Stokes equations with a high-order finite difference scheme. Experiments have shown that for some particular Mach number values of the flow above the cavity, a coupling occurs between the cavity flow and the pressure oscillations in the duct. Several simulations for different Mach numbers have been carried out in order to demonstrate the numerical coupling phenomena. The phase-locked frequencies are well predicted, but the oscillation amplitudes exhibit some differences.

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