A three-dimensional incompressible viscous flow solver of the thin-layer Navier-Stokes equations was developed for the unsteady turbomachinery flow computations. The solution algorithm for the unsteady flows combines the dual time stepping technique with the artificial compressibility approach for solving the incompressible unsteady flow governing equations. For time accurate calculations, subiterations are introduced by marching the equations in the pseudo-time to fully recover the incompressible continuity equation at each real time step, accelerated with a multi-grid technique. Computations of test cases show satisfactory agreements with corresponding theoretical and experimental results, demonstrating the validity and applicability of the present method to unsteady incompressible turbomachinery flows.
Numerical Solution of Incompressible Unsteady Flows in Turbomachinery
Contributed by the Fluids Engineering Division for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received by the Fluids Engineering Division March 23, 1999; revised manuscript received April 5, 2000 Associate Editor: V. Ghia.
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He , L., and Sato, K. (April 5, 2000). "Numerical Solution of Incompressible Unsteady Flows in Turbomachinery ." ASME. J. Fluids Eng. September 2001; 123(3): 680–685. https://doi.org/10.1115/1.1383595
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