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A Local Thermal Non-Equilibrium Analysis of Fully Developed Forced Convective Flow in a Tube Filled with a Porous Medium

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成果类型:
期刊论文
作者:
Yang, C.;Ando, K.;Nakayama, A.*
通讯作者:
Nakayama, A.
作者机构:
[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.
[Nakayama, A.] Shizuoka Univ, Dept Mech Engn, Naka Ku, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328561, Japan.
通讯机构:
[Nakayama, A.] S
Shizuoka Univ, Dept Mech Engn, Naka Ku, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328561, Japan.
语种:
英文
关键词:
Porous media;Thermal non-equilibrium;Aluminum;Metal foam;Conductivity
期刊:
Transport in Porous Media
ISSN:
0169-3913
年:
2011
卷:
89
期:
2
页码:
237-249
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:
A local thermal non-equilibrium model has been considered for the case of thermally fully developed flow within a constant heat flux tube filled with a porous medium. Exact temperature profiles for the fluid and solid phases are found after combining the two individual energy equations and then transforming them into a single ordinary differential equation with respect to the temperature difference between the solid phase and the wall subject to constant heat flux. The exact solutions for the case of metal-foam and air combination reveal that the local thermal equilibrium assumption may fail f...

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