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标量湍流耗散的片状结构 被引量:4

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摘要 应用直接数值模拟研究标量湍流耗散的空间结构.在均匀标量湍流场和槽道湍流的非均匀标量湍流场中都发现了标量湍流耗散呈片状结构.通过标量湍流耗散的输运方程的分析,研究了脉动变形率张量在标量耗散生成中的作用,发现脉动标量梯度在脉动变形率张量的第3主轴方向占优,从而解释标量湍流耗散片状结构的产生原因.
出处 《中国科学(E辑)》 CSCD 北大核心 2002年第5期601-607,共7页 Science in China(Series E)
基金 中法实验室和清华大学基础研究基金资助项目
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参考文献8

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同被引文献124

  • 1李新亮 傅德薰 马延文.可压缩衰减湍流的直接数值模拟[A]..全国第十一届计算流体力学会议论文集[C].北京,2002.123-128.
  • 2范德顺,朱海军,钱才富.旋转挤压式污泥脱水机研制与改进[J].石油和化工设备,2007,10(4):8-10. 被引量:3
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