EFFECTS OF STAGNANT AND DISPERSION CONDUCTIVITIES ON NON-DARCIAN FORCED-CONVECTION IN SQUARE PACKED-SPHERE CHANNELS

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题名:	EFFECTS OF STAGNANT AND DISPERSION CONDUCTIVITIES ON NON-DARCIAN FORCED-CONVECTION IN SQUARE PACKED-SPHERE CHANNELS
作者:	CHOU,FC;CHUNG,PY;CHENG,CJ
贡献者:	機械工程學系
关键词:	VARIABLE-POROSITY MEDIA;BOUNDARY-LAYER FLOW;HEAT-TRANSFER;POROUS-MEDIUM;THERMAL DISPERSION;FLAT-PLATE;BED;INERTIA;MODEL
日期:	1991
上传时间:	2010-06-29 18:08:59 (UTC+8)
出版者:	中央大學
摘要:	This paper presents a numerical and experimental investigation of the effects of stagnant and dispersion conductivities on non-Darcian forced convection in square packed-sphere channels. The theoretical prediction of Nusselt number are found to be in good agreement with the experimental data. A larger near-wall damping of stagnant conductivity is found for the present water-steel medium than for that described by the mixing rule based on the volume fraction. A nonlinear Peclet number dependence. Pe(lambda) and lambda = 0.88, for dispersion conductivity is found to induce better agreement between the theoretical and experimental results especially for the cases of high Peclet number and high D(e)/d.
關聯:	CANADIAN JOURNAL OF CHEMICAL ENGINEERING
显示于类别:	[機械工程研究所] 期刊論文

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