Countergradient heat transfer in the atmospheric boundary layer over a rough surface

被引：0

作者：

A. F. Kurbatskiy

机构：

[1] Russian Academy of Sciences,Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch

[2] Novosibirsk State University,undefined

来源：

Izvestiya, Atmospheric and Oceanic Physics | 2008年 / 44卷

关键词：

Turbulence Model; Atmospheric Boundary Layer; Heat Transfer; Oceanic Physic; Convective Boundary Layer;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The nonlocality of the mechanism of turbulent heat transfer in the atmospheric boundary layer over a rough surface manifests itself in the form of bounded areas of countergradient heat transfer, which are diagnosed from analysis of balance items in the transport equation for the variance of temperature fluctuations and from calculation of the coefficients of turbulent momentum and heat transfer invoking the model of “gradient diffusion.” It is shown that countergradient heat transfer in local regions is caused by turbulent diffusion or by the term of the divergence of triple correlation in the balance equation for the temperature variance.

引用

页码：160 / 166

页数：6

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