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http://dx.doi.org/10.6112/kscfe.2014.19.2.008

A COMPARATIVE STUDY ON PREDICTION CAPABILITY OF AIRFOIL FLOWS USING A TRANSITION TRANSPORT MODEL  

Sa, J.H. (Aerospace Information Engineering, Konkuk University)
Jeon, S.E. (Aerospace Information Engineering, Konkuk University)
Park, S.H. (Aerospace Information Engineering, Konkuk University)
Publication Information
Journal of computational fluids engineering / v.19, no.2, 2014 , pp. 8-16 More about this Journal
Abstract
Two-dimensional prediction capability of several analysis codes, such as XFOIL, MSES, and KFLOW, is compared and analyzed based on computational results of airfoil flows. To this end the transition transport equations are coupled with the Navier-Stokes equations for the prediction of the natural transition and the separation-induced transition. Experimental data of aerodynamic coefficients are used for comparison with numerical results for the transitional flows. Numerical predictions using the transition transport model show a good agreement with experimental data. Discrepancies have been found in the prediction of the pressure drag are mainly caused by the difference in the far-field circulation correction methods.
Keywords
CFD; Transitional flow; Airfoil flow; Transition model;
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