Basic equations of turbulent flow for variable density and variable viscosity fluid in pipe

被引：0

作者：

郑永刚

方铎

李桂芬

机构：

[1] China

[2] Department of Architectural F.ngineering

[3] Dongying 257062

[4] Institute of Water Resources and Hydropower Research. Beijing 100044

[5] State Key Hydraulics Laboratory of High Speed Mows. Sichuan Union University. Chengdu 610065

[6] University of Petroleum (East China)

来源：

Progress in Natural Science | 1996年 / 06期

关键词：

variable density fluid; variable viscosity fluid; turbulence; basic equation; pipe;

D O I：

暂无

中图分类号：

O357.5 [湍流（紊流）];

学科分类号：

摘要：

Using Navier-Stokes equations and Reynolds time-averaged rules, the turbulent motional differential equations of variable density and variable viscosity fluid in eylindrieal coordinates have been presented, and the turbulent motional differential equations of this fluid in pipe have been established. The concepts of the density turbulence stress and the viscosity turbulence stress have been presented.

引用

页码：90 / 95

页数：6

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