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Turbulent flow computations using upwind rans technique for a flat plate and an airfoil

Murthy, PS and Holla, VS and Kamath, H (2005) Turbulent flow computations using upwind rans technique for a flat plate and an airfoil. In: Dynamics of Continuous Discrete and Impulsive Systems-Series B-Applications & Algorithms, 12 (5&6). pp. 775-782.

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Reynolds-Averaged Navier Stokes (HANS) equations are solved using a third-order upwind biased Roe's scheme for the inviscid fluxes and second order central difference scheme for the viscous fluxes. The Baldwin & Lomax turbulence model is employed for the Reynolds stresses. The governing equations are solved using a finite-volume implicit scheme in body-fitted curvilinear coordinate system. Computations are reported for a flat plate apart from RAE 2822 and NACA 0012 airfoils. Results obtained for the flat plate at M=0.3, R-c = 4.0 x 10(6) compare favourably with the analytical solution. Computational results obtained for the two airfoils are compared with experiment. For both airfoils there is a good agreement. in surface-pressure distributions between computational results and experiments. However, resoanable agreement is obtained between computational and experimental skin-friction distributions for the RAE 2822 airfoil.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to Watam Press.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Depositing User: B.S Priyanka
Date Deposited: 27 Dec 2005
Last Modified: 27 Aug 2008 11:39
URI: http://eprints.iisc.ac.in/id/eprint/4787

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