Numerical study of natural convection heat transfer in an inclined porous cavity with time-periodic boundary conditions | |
Wang, Gang1,2; Wang, Qiuwang1; Zeng, Min1; Ozoe, Hiroyuki1 | |
刊名 | TRANSPORT IN POROUS MEDIA
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2008-09 | |
卷号 | 74期号:3页码:293-309 |
关键词 | time-periodic boundary conditions porous media natural convection |
ISSN号 | 0169-3913 |
DOI | 10.1007/s11242-007-9198-0 |
英文摘要 | Kalabin et al. (Numer. Heat Transfer A 47, 621-631, 2005) studied the unsteady natural convection for the sinusoidal oscillating wall temperature on one side wall and constant average temperature on the opposing side wall. The present article is on the unsteady natural convective heat transfer in an inclined porous cavity with similar temperature boundary conditions as those of Kalabin et al. The inclined angle. of the cavity is varied from 0 degrees to 80 degrees. The flow field is modeled with the Brinkman-extended Darcy model. The combined effects of inclination angle of the enclosure and oscillation frequency of wall temperature are studied for Ra* = 10(3), Da = 10(-3), epsilon = 0.6, and Pr = 1. Some results are also obtained with the Darcy -Brinkman -Forchheimer model and Darcy's law and are compared with the present Brinkman-extended Darcy model. The maximal heat transfer rate is attained at the oscillating frequency f = 46.7 pi and the inclined angle phi = 42.2 degrees. |
资助项目 | National Natural Science Foundation of China[50521604] |
WOS研究方向 | Engineering |
语种 | 英语 |
出版者 | SPRINGER |
WOS记录号 | WOS:000258548400003 |
状态 | 已发表 |
内容类型 | 期刊论文 |
源URL | [http://119.78.100.223/handle/2XXMBERH/35474] ![]() |
专题 | 土木工程学院 |
通讯作者 | Wang, Qiuwang |
作者单位 | 1.Xian Jiaotong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China 2.Lanzhou Univ Technol, Sch Civil Engn, Lanzhou 730050, Peoples R China |
推荐引用方式 GB/T 7714 | Wang, Gang,Wang, Qiuwang,Zeng, Min,et al. Numerical study of natural convection heat transfer in an inclined porous cavity with time-periodic boundary conditions[J]. TRANSPORT IN POROUS MEDIA,2008,74(3):293-309. |
APA | Wang, Gang,Wang, Qiuwang,Zeng, Min,&Ozoe, Hiroyuki.(2008).Numerical study of natural convection heat transfer in an inclined porous cavity with time-periodic boundary conditions.TRANSPORT IN POROUS MEDIA,74(3),293-309. |
MLA | Wang, Gang,et al."Numerical study of natural convection heat transfer in an inclined porous cavity with time-periodic boundary conditions".TRANSPORT IN POROUS MEDIA 74.3(2008):293-309. |
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