摘要
湍流中存在的动量、标量的逆梯度输运是当前湍流研究中一个十分重要的方向,它具有深刻的理论意义和重要的实用背景.本文从实验、理论两方面综述了湍流逆梯度输运的研究成果,并指出了一些值得今后进一步研究的方向.
Counter gradient transport phenomena for momentum and passive scalar in turbulent flows are an important subject in the research of turbulence. It is of great theoretical significance and serves as a practical background. This article summarizes the experimental and theoretical results on counter gradient transport phenomena. Finally some subjects for further studies are suggested.
出处
《力学进展》
EI
CSCD
北大核心
2000年第3期425-432,共8页
Advances in Mechanics
基金
国家自然科学基金资助项目!(19872043)
关键词
湍流结构
湍流机理
逆梯度输运
turbulence structure, turbulence mechanism, counter-gradient transport