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Navier-Stokes analysis of transonic cascade flow (1990)

Liou, M.-S. ; Arnone, A. ; Povinelli, L.

In: CASI

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Publication Date: 2019-06-28

Description: A new kind of C-type grid is proposed, this grid is non-periodic on the wake and allows minimum skewness for cascades with high turning and large camber. Reynolds-averaged Navier-Stokes equations are solved on this type of grid using a finite volume discretization and a full multigrid method which uses Runge-Kutta stepping as the driving scheme. The Baldwin-Lomax eddy-viscosity model is used for turbulence closure. A detailed numerical study is proposed for a highly loaded transonic blade. A grid independence analysis is presented in terms of pressure distribution, exit flow angles, and loss coefficient. Comparison with experiments clearly demonstrates the capability of the proposed procedure.

Keywords: FLUID MECHANICS AND HEAT TRANSFER

Type: NASA-TM-103624 , E-5791 , NAS 1.15:103624 , ICOMP-90-23

Format: application/pdf

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