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各向异性网格自适应计算在超燃模拟中的应用

邹建锋 盛东 方磊 郑耀

邹建锋, 盛东, 方磊, 郑耀. 各向异性网格自适应计算在超燃模拟中的应用[J]. 航空动力学报, 2015, 30(9): 2140-2150. doi: 10.13224/j.cnki.jasp.2015.09.012
引用本文: 邹建锋, 盛东, 方磊, 郑耀. 各向异性网格自适应计算在超燃模拟中的应用[J]. 航空动力学报, 2015, 30(9): 2140-2150. doi: 10.13224/j.cnki.jasp.2015.09.012
ZOU Jian-feng, SHENG Dong, FANG Lei, ZHENG Yao. Applications of anisotropic unstructured mesh adaption insupersonic combustion simulations[J]. Journal of Aerospace Power, 2015, 30(9): 2140-2150. doi: 10.13224/j.cnki.jasp.2015.09.012
Citation: ZOU Jian-feng, SHENG Dong, FANG Lei, ZHENG Yao. Applications of anisotropic unstructured mesh adaption insupersonic combustion simulations[J]. Journal of Aerospace Power, 2015, 30(9): 2140-2150. doi: 10.13224/j.cnki.jasp.2015.09.012

各向异性网格自适应计算在超燃模拟中的应用

doi: 10.13224/j.cnki.jasp.2015.09.012
基金项目: 

国家自然科学基金(11372276,1070206)

详细信息
    作者简介:

    邹建锋(1977-),男,浙江衢州人,副教授,博士,主要从事湍流燃烧数值模拟研究.

  • 中图分类号: V235.21

Applications of anisotropic unstructured mesh adaption insupersonic combustion simulations

  • 摘要: 采用各向异性网格自适应求解技术,将其应用于DLR超燃冲压发动机燃烧室中的超燃模拟.开展了3个算例,包括采用滑移壁面条件的燃烧室冷流场模拟、采用无滑移壁面条件的冷流场模拟及采用无滑移壁面条件的反应流模拟.模拟中,各向异性网格自适应计算捕捉到了如激波、射流、边界层、火焰面等具有各向异性特征的大梯度区域,并利用各向异性网格进行了很好的加密.对比利用各向同性网格的初始流场计算,各向异性网格自适应计算使基于滑移条件、无滑移条件的冷流计算及反应流计算的网格单元数量分别下降了36.2%,36.4%和36.8%,有效降低了计算规模,而且流场大梯度区域的计算结果更准确,辨析度更好.结果表明:对于像超燃这类具有各向异性特征的问题,各向异性网格系统比各向同性网格系统有更好的计算效率及准确性,同时也表明基于Mach数场构造的各向异性网格系统可以有效应用于超燃计算.

     

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出版历程
  • 收稿日期:  2014-02-27
  • 刊出日期:  2015-09-28

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