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超音速探测器-刚性盘-缝-带型降落伞系统的大涡模拟研究

龚升 吴锤结

龚升, 吴锤结. 超音速探测器-刚性盘-缝-带型降落伞系统的大涡模拟研究[J]. 应用数学和力学, 2021, 42(3): 233-247. doi: 10.21656/1000-0887.410274
引用本文: 龚升, 吴锤结. 超音速探测器-刚性盘-缝-带型降落伞系统的大涡模拟研究[J]. 应用数学和力学, 2021, 42(3): 233-247. doi: 10.21656/1000-0887.410274
GONG Sheng, WU Chuijie. Large-Eddy Simulation of Supersonic Capsule-Rigid Disk-Gap-Band Parachute Systems[J]. Applied Mathematics and Mechanics, 2021, 42(3): 233-247. doi: 10.21656/1000-0887.410274
Citation: GONG Sheng, WU Chuijie. Large-Eddy Simulation of Supersonic Capsule-Rigid Disk-Gap-Band Parachute Systems[J]. Applied Mathematics and Mechanics, 2021, 42(3): 233-247. doi: 10.21656/1000-0887.410274

超音速探测器-刚性盘-缝-带型降落伞系统的大涡模拟研究

doi: 10.21656/1000-0887.410274
基金项目: 国家自然科学基金(11372068);国家重点基础研究发展计划(973计划)(2014CB744104)
详细信息
    作者简介:

    龚升(1988—),男,博士生(E-mail: sgongsky@mail.dlut.edu.cn);吴锤结(1955—),男,教授(通讯作者. E-mail: cjwudut@dlut.edu.cn).

  • 中图分类号: O357.41

Large-Eddy Simulation of Supersonic Capsule-Rigid Disk-Gap-Band Parachute Systems

Funds: The National Natural Science Foundation of China(11372068)
  • 摘要: 研究了Mach数为2时,流场不同块结构自适应网格加密精度对探测器-刚性盘-缝-带型降落伞系统的气动减速性能以及流场结构特性的影响.对于非定常可压缩流体流动,采用了兼顾激波与湍流的WENO(weighted essentially non-oscillatory)和TCD(tuned center difference)混合计算格式以及拉伸涡亚格子模型的大涡模拟方法.结果表明:在较低的流场块结构自适应网格分辨率下,是难以准确模拟计算降落伞系统重要的气动阻力系数和捕捉流场流动特征细节的.随后验证了流场自适应网格的收敛性.
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出版历程
  • 收稿日期:  2020-09-14
  • 修回日期:  2020-09-28
  • 刊出日期:  2021-03-01

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