Exact Solutions for a Thermal Nonequilibrium Model of Fluid Saturated Porous Media Based on an Effective Porosity

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成果类型：

期刊论文

作者：

Kuwahara, F.*;Yang, C.;Ando, K.;Nakayama, A.

通讯作者：

Kuwahara, F.

作者机构：

[Kuwahara, F.; Nakayama, A.; Yang, C.] Shizuoka Univ, Dept Mech Engn, Naka Ku, Hamamatsu, Shizuoka 4328561, Japan.

[Yang, C.] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, Wuhan 430074, Hubei, Peoples R China.

[Ando, K.] Nitto Kogyo Corp, Div Res, Nagakute, Aichi 4801189, Japan.

[Nakayama, A.] Wuhan Polytech Univ, Sch Civil Engn & Architecture, Wuhan 430023, Hubei, Peoples R China.

[Kuwahara, F.] Shizuoka Univ, Dept Mech Engn, Naka Ku, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328561, Japan.

通讯机构：

[Kuwahara, F.] S

Shizuoka Univ, Dept Mech Engn, Naka Ku, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328561, Japan.

语种：

英文

关键词：

boundary layers;channel flow;convection;flow simulation;flow through porous media;metal foams;nonequilibrium flow;porosity;thermal conductivity;thermal diffusion;two-phase flow;porous media;thermal nonequilibrium;aluminum;metal foam;conductivity

期刊：

Journal of Heat Transfer

ISSN：

0022-1481

年：

2011

卷：

133

期：

页码：

112602-1-112602-9

DOI：

10.1115/1.4004354

基金类别：

Grants-in-Aid for Scientific ResearchMinistry of Education, Culture, Sports, Science and Technology, Japan (MEXT)Japan Society for the Promotion of ScienceGrants-in-Aid for Scientific Research (KAKENHI) [22360088] Funding Source: KAKEN

机构署名：

本校为其他机构

院系归属：

土木工程与建筑学院

摘要：

An effective porosity concept has been introduced to account for the effects of tortuosity and thermal dispersion on the individual effective thermal conductivities of the solid and fluid phases in a fluid-saturated porous medium. Using this effective porosity concept, a thermal nonequilibrium model has been proposed to attack locally thermal nonequilibrium problems associated with convection within a fluid-saturated porous medium. Exact solutions are obtained, assuming a plug flow, for the two cases of thermally fully developed convective flows through a channel, namely, the case of isotherma...

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Exact Solutions for a Thermal Nonequilibrium Model of Fluid Saturated Porous Media Based on an Effective Porosity

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