Abstract
Based on the study of hypersonic thermochemical nonequilibrium flow around a double-wedge flow, several influencing factors of numerical simulation results were discussed. The 2D finite volume method of unstructured quadrilateral grid solver simulated thermochemical nonequilibrium viscous double-wedge flow in 0 degree and -10 degree attack angle. Leading edge passivation and laminar / turbulent effect were analyzed in plenty grids. Blunt leading edge can raise the leading shock wave and can change the location of triple-point and jet. But it’s influence is very weak in the end of flow. Turbulence results in a higher wall heat than laminar flow and slightly alter the shock of tail flow.These factors may cause the unconsistency between numerical simulation and experiment.
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Shi, X., Zhu, Y., Yang, J. (2017). Consistency of Double Wedge Shock–Boundary Layer Interaction Between Numerical Simulation and Experiment. In: Ben-Dor, G., Sadot, O., Igra, O. (eds) 30th International Symposium on Shock Waves 2. Springer, Cham. https://doi.org/10.1007/978-3-319-44866-4_61
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DOI: https://doi.org/10.1007/978-3-319-44866-4_61
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