Experimental study of turbulence effect on re-aeration

被引：0
作者：
Li, J [1 ]
Li, R [1 ]
Li, KF [1 ]
Zhao, WQ [1 ]
机构：
[1] Sichuan Univ, State Key Lab Hydraul High Speed Flows, Chengdu 610065, Peoples R China
来源：
PROGRESS IN NATURAL SCIENCE | 2000年 / 10卷 / 09期
关键词：
turbulence; re-aeration; interfacial mass transfer coefficient;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It is proposed that the oxygen fluxes caused by molecular and turbulent diffusion should be studied separately. Based on turbulent re-aeration experiments, a quantitative relationship between interfacial mass transfer coefficient and interfacial kinetic energy is developed. It not only simplifies the formula of re-aeration coefficient, but also gives fully consideration to the effect of interfacial kinetic energy on re-aeration. It is of great importance for predicting dissolved oxygen distribution and studying the effect of hydrodynamic characteristics an turbulent re-aeration processes.
引用
收藏
页码：693 / 697
页数：5
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