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17 May 2022 Simulation calculation of aerodynamic performance of Mira model based on virtual wind tunnel
Yu Fu, Zikai Zhao, Xiaole Ma
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Proceedings Volume 12259, 2nd International Conference on Applied Mathematics, Modelling, and Intelligent Computing (CAMMIC 2022); 122593F (2022) https://doi.org/10.1117/12.2638771
Event: 2nd International Conference on Applied Mathematics, Modelling, and Intelligent Computing, 2022, Kunming, China
Abstract
To improve the simulation accuracy of vehicle aerodynamic resistance, better benchmarking of simulation andtest. Inthis paper, a virtual numerical wind tunnel is established according to a domestic wind tunnel's structural size. TheMIRA model is used as the research object to simulate the MIRA model's flow field in the rectangular calculationdomain and the virtual wind tunnel calculation domain. The results show that the estimated value error of the windresistance coefficient in the mentioned domains is two counts and three counts. However, the difference betweenthesimulation results of the flow field at the rear of the two-car bodies is noticeable. The simulation results of the flowfieldat the rear of the car body in the numerical wind tunnel calculation domain are more consistent with the experimental results. Therefore, the numerical wind tunnel can better predict and optimize the aerodynamic performance of the vehicle.
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Yu Fu, Zikai Zhao, and Xiaole Ma "Simulation calculation of aerodynamic performance of Mira model based on virtual wind tunnel", Proc. SPIE 12259, 2nd International Conference on Applied Mathematics, Modelling, and Intelligent Computing (CAMMIC 2022), 122593F (17 May 2022); https://doi.org/10.1117/12.2638771
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KEYWORDS
Aerodynamics
Computer simulations
Wind measurement
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