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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 (2003) Turbulent flow computations using upwind RANS technique for a flat plate and an airfoil. In: UNSPECIFIED.

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Reynolds Averaged Navier Stokes (RANS) equations are solved using 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 Reynolds stresses. The governing equations are solved using finite-volume implicit scheme in body fitted curvilinear coordinate O-grid system. Computations axe reported for a flat plate apart from RAE 2822 and NACA 0012 airfoils. Results for the flat plate at M = 0.3, R-c = 4.0 x 10(6) compare favourably with the analytical solution. Results for the two airfoils are compared with experiment. There is a good agreement in C-p distribution between experiment and computation for both the airfoils. Comparison of C-f distribution with experiment for RAE 2822 airfoil is reasonable.

Item Type: Conference Paper
Publisher: Watam Press
Additional Information: Copyright of this article belongs to Watam Press.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 25 Aug 2011 06:00
Last Modified: 25 Aug 2011 06:00
URI: http://eprints.iisc.ac.in/id/eprint/40297

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