Numerical study of natural convection heat transfer in a porous cavity under time-periodic boundary conditions

	Numerical study of natural convection heat transfer in a porous cavity under time-periodic boundary conditions
	Wang, Gang 1,2; Zeng, Min 1; Huang, Zipeng 1; Wang, Qiuwang 1
	2007-05-01
发表期刊	Jisuan Wuli/Chinese Journal of Computational Physics
ISSN	1001246X
卷号	24 期号:3 页码:282-286
摘要	Unsteady natural convection heat transfer of incompressible fluid in an inclined cavity filled with saturated porous medium is studied numerically. The temperature of the cold sidewall maintains constant and the temperature of the opposite sidewall varies sinusoidally with time. The Brinkman-extended Darcy model and SIMPLER algorithm are adopted. Comprehensive numerical solutions are acquired at a fixed Prandtl number Pr=1 and a Rayleigh number Ra=106. The inclination angle of the enclosure α varies from 0° to 90°. The effects of α and dimensionless oscillation frequency f on the natural convection are analyzed. The maximum heat transfer is reached at f=60π and α=43°.
关键词	Boundary conditions Computer simulation Incompressible flow Natural convection Porous materials Prandtl number Brinkman-extended Darcy model Incompressible fluid Porous medium Rayleigh number SIMPLER algorithm Time-periodic boundary conditions
收录类别	EI
语种	中文
出版者	Editorial Board of Chinese Journal of Computational, P.O.Box 8009, Beijing, 100088, China
EI入藏号	20072510663274
EI主题词	Heat transfer
EI分类号	631.1.1 Liquid Dynamics - 641.2 Heat Transfer - 723.5 Computer Applications - 921 Mathematics - 951 Materials Science
来源库	Compendex
分类代码	631.1.1 Liquid Dynamics - 641.2 Heat Transfer - 723.5 Computer Applications - 921 Mathematics - 951 Materials Science
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/112253
专题	兰州理工大学土木工程学院
作者单位	1.State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China; 2.School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, China
第一作者单位	土木工程学院
推荐引用方式 GB/T 7714	Wang, Gang,Zeng, Min,Huang, Zipeng,et al. Numerical study of natural convection heat transfer in a porous cavity under time-periodic boundary conditions[J]. Jisuan Wuli/Chinese Journal of Computational Physics,2007,24(3):282-286.
APA	Wang, Gang,Zeng, Min,Huang, Zipeng,&Wang, Qiuwang.(2007).Numerical study of natural convection heat transfer in a porous cavity under time-periodic boundary conditions.Jisuan Wuli/Chinese Journal of Computational Physics,24(3),282-286.
MLA	Wang, Gang,et al."Numerical study of natural convection heat transfer in a porous cavity under time-periodic boundary conditions".Jisuan Wuli/Chinese Journal of Computational Physics 24.3(2007):282-286.