Continuing Validation of Computational Fluid Dynamics for Supersonic Retropropulsion
50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition(2012)
摘要
A large step in the validation of Computational Fluid Dynamics (CFD) for Supersonic Retropropulsion (SRP) is shown through the comparison of three Navier-Stokes solvers (DPLR, FUN3D, and OVERFLOW) and wind tunnel test results. The test was designed specifically for CFD validation and was conducted in the Langley supersonic 4 x4 Unitary Plan Wind Tunnel and includes variations in the number of nozzles, Mach and Reynolds numbers, thrust coefficient, and angles of orientation. Code-to-code and code-to-test comparisons are encouraging and possible error sources are discussed.
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关键词
Aerodynamic Flow Control,Microflows,Aerostructural Analysis
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