Validation of the RANS-simulation of laminar separation bubbles on airfoils |
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| Institution: | 1. Institute of Manned Space System Engineering, China Academy of Space Technology, Beijing 100094, China;2. National Laboratory for CFD, Beihang University, Beijing 100191, China;1. School of Aerospace Engineering, Tsinghua University, Beijing, 100084, China;2. China Aerodynamics Research and Development Center, Mianyang, 621000, China |
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| Abstract: | This paper presents RANS simulations of the low-Reynolds-number flow past an SD7003 airfoil at , where transition takes place across a laminar separation bubble. The transition prediction procedure using an approximate envelope method as well as a linear stability solver is discussed. The numerical results are validated against PIV- and force measurements obtained in several wind- and watertunnels and are also compared to XFOIL results. Good agreement is found within the operational range of the airfoil. |
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