Abstract

The unsteady, compressible Navier-Stokes equations in mass averaged variables are solved for flow past a bulbous shroud. For the freestream Mach number 0.8 and Reynolds number 3.37xl0/m, a time-dependent computation is performed, using MacC or mack's explicit finite-difference scheme with 64 X 30 grid points. The entire flowfield along the shroud is analyzed to capture a terminal shock and the separation zones. A comparison with available experimental results is reported and evaluation of the unsteady data for surface pressure fluctuations is presented.

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