Natural convection of diamagnetic fluid in an enclosure filled with porous medium under magnetic field

被引：18

作者：

Zeng, Min ^{[1
]}

Wang, Qiuwang ^{[1
]}

Ozoe, Hiroyuki ^{[2
]}

Wang, Gang ^{[1
]}

Huang, Zipeng ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China

[2] Kyushu Univ, Kasuga, Fukuoka 8168580, Japan

来源：

PROGRESS IN COMPUTATIONAL FLUID DYNAMICS | 2009年 / 9卷 / 02期

基金：

中国国家自然科学基金;

关键词：

natural convection; diamagnetic fluid; porous medium; magnetic force; LTNE; local thermal non-equilibrium model; CUBIC ENCLOSURE; AIR; GENERATION; CAVITY; FLOW;

D O I：

10.1504/PCFD.2009.023351

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Natural convection in an enclosure filled with a diamagnetic fluid-saturated porous medium under strong magnetic field is numerically investigated. The Brinkman-Forchheimer extended Darcy model is used to solve the momentum equations, and the energy equations for fluid and solid are solved with the Local Thermal Non-Equilibrium (LTNE) model. Computations are performed for a range of Darcy number from 10 (6) to 10(3), Rayleigh number from 10(3) to 10(6), and magnetic force parameter gamma from 200 to 0. The results show that the magnetic force has significant effect on the flow field and heat transfer in a diamagnetic fluid-saturated porous medium.

引用

页码：77 / 85

页数：9

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