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	Heat and mass transfer in unsaturated porous cake with heated walls
	Wu, Di ; Peng, Xiao-Feng ; Su, Ay ; Mujumdar, Arun S. ; Hsu, Chien ; Lee, Duu-Jong
	2010-05-11 ; 2010-05-11
关键词	fuel cell mineral drying multiphasemodel simulation WASTE-WATER SLUDGE SEWAGE-SLUDGE PURIFICATION EVAPORATION KINETICS FILTER MEDIA Engineering, Chemical Engineering, Mechanical
中文摘要	The mineral granules in the industrial drying units such as rotary dryer or fluidized dryer or the membrane in the PEMFC experience transient multiphase heat and mass transfer with transient heating mode. In particular, the transport process within mineral granules in the dryer is difficult to model owing to effects of complicated granule-granule collision and granule-heated surface. This article presents a comprehensive model consisting of continuity and heat and mass balances of three phases in an unsteady state. Numerical results revealed the flow patterns and temperature distributions of gas and liquid phases in mineral granule over time. The thermal response of the heated medium will be very different under low and high mixing intensities. The development of a recirculation liquid zone to balance the yielded capillary suction gradient enhances local evaporation and vapor accumulation rates, thus determining the overall evaporation rate form medium.
语种	英语 ; 英语
出版者	TAYLOR & FRANCIS INC ; PHILADELPHIA ; 325 CHESTNUT ST, SUITE 800, PHILADELPHIA, PA 19106 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/25892]
专题	清华大学
推荐引用方式 GB/T 7714	Wu, Di,Peng, Xiao-Feng,Su, Ay,et al. Heat and mass transfer in unsaturated porous cake with heated walls[J],2010, 2010.
APA	Wu, Di,Peng, Xiao-Feng,Su, Ay,Mujumdar, Arun S.,Hsu, Chien,&Lee, Duu-Jong.(2010).Heat and mass transfer in unsaturated porous cake with heated walls..
MLA	Wu, Di,et al."Heat and mass transfer in unsaturated porous cake with heated walls".(2010).

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