Computational grid dependency in CFD simulation for heat transfer
Document Type
Conference Proceeding
Date of Original Version
9-14-2017
Abstract
For the numerical simulation of the hypersonic vehicle aerothermal heating, the grid-dependency of the aerothermal computation under the hypersonic flow was studied by the means of computational fluid dynamic. By employed two-dimensional cylinder model, researched the influence of the grid-reynolds number Recell to heat transfer simulation, and established the connection between grid refinement in the position of shock wave and the heat transfer computational accuracy. The result indicates that the grid-reynolds number less than 8 can gain a convergent result of heat transfer and the grid refinement in the position of shock wave is beneficial for the heat transfer simulation. Besides, the applicability of the gird criterion to the computation of three-dimensional model was verified by the aerothermal simulation of the X-33 hypersonic vehicle. The research has some guiding significance for engineering application.
Publication Title, e.g., Journal
2017 8th International Conference on Mechanical and Aerospace Engineering Icmae 2017
Citation/Publisher Attribution
Xiang, Zhang, Yang Wei, and He Haibo. "Computational grid dependency in CFD simulation for heat transfer." 2017 8th International Conference on Mechanical and Aerospace Engineering Icmae 2017 (2017). doi: 10.1109/ICMAE.2017.8038641.