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http://dx.doi.org/10.5139/JKSAS.2017.45.3.202

Numerical simulation study on transitional flow over the KARI-11-180 airfoil using γ-ReƟ transition model  

Sa, Jeong Hwan (Department of Computational Science & Engineering, Korea Instituteof Science and Technology Information(KISTI))
Kim, Kiro (Aerospace Information Engineering, Konkuk University)
Cho, Kum Won (Supercomputing R & D Center, Korea Institute of Science and Technology Information(KISTI))
Park, Soo Hyung (Aerospace Information Engineering, Konkuk University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.45, no.3, 2017 , pp. 202-211 More about this Journal
Abstract
In this study, numerical simulations were performed using the ${\gamma}-Re_{\theta}$ transition model of KFLOW for the transitional flow over the KARI-11-180 airfoil. Numerical results of KFLOW were compared with experimental data and two other numerical results of XFoil and MSES. Fully turbulence model was predicted high skin friction drag than transition model because fully turbulence model could not solve the transitional flow. Numerical predictions using the ${\gamma}-Re_{\theta}$ model of KFLOW show a good agreement with experimental data and other numerical results. Present numerical results were confirmed the state of drag bucket due to dramatic changing of the transition location on the airfoil surface.
Keywords
Computational Fluid Dynamics; Transitional Flow; Airfoil Flow; Transition Model; KARI-11-180 Airfoil;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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