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DES方法对返回舱气动热环境数值模拟

刘佳 阎超 赵瑞 蒋海军

刘佳, 阎超, 赵瑞, 等 . DES方法对返回舱气动热环境数值模拟[J]. 北京航空航天大学学报, 2013, 39(5): 590-594.
引用本文: 刘佳, 阎超, 赵瑞, 等 . DES方法对返回舱气动热环境数值模拟[J]. 北京航空航天大学学报, 2013, 39(5): 590-594.
Liu Jia, Yan Chao, Zhao Rui, et al. Simulation of re-entry capsule thermodynamics environment by DES method[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(5): 590-594. (in Chinese)
Citation: Liu Jia, Yan Chao, Zhao Rui, et al. Simulation of re-entry capsule thermodynamics environment by DES method[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(5): 590-594. (in Chinese)

DES方法对返回舱气动热环境数值模拟

基金项目: 国家973计划资助项目(2009CB724104)
详细信息
  • 中图分类号: V211.3

Simulation of re-entry capsule thermodynamics environment by DES method

  • 摘要: 脱体涡模拟方法(DES,Detached Eddy Simulation)由于结合了湍流模型(RNAS,Reynolds Averaged Navier-Stokes)和大涡模拟(LES,Large Eddy Simulation)两者各自优势,是模拟非定常大分离流动的有效方法.采用基于SA(Spalart-Allmaras)湍流模型的DES方法,对高超声速返回舱外形进行数值模拟,计算所得的返回舱表面压力及热流分布与实验结果吻合,证实了DES方法的优越性.最后,在DES方法中加入可压缩修正,结果证实在高超声速流动中,可压缩修正方法在一定程度上能够提高原始模型的预测性能.

     

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  • 被引次数: 0
出版历程
  • 收稿日期:  2012-05-07
  • 修回日期:  2012-11-16
  • 网络出版日期:  2013-05-31

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