Numerical analysis on heat transfer in parallel-flow rectangular recuperators with internal recycle

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Title:	Numerical analysis on heat transfer in parallel-flow rectangular recuperators with internal recycle
Authors:	Yeh, Ho-ming;Ho, Chii-dong
Contributors:	淡江大學化學工程與材料工程學系
Keywords:	Heat Transfer;Rectangular Recuperators;Internal Reflux;Parallel Flow
Date:	2012-03
Issue Date:	2011-08-09 15:29:09 (UTC+8)
Publisher:	新北市：淡江大學
Abstract:	Heat transfer in parallel-flow rectangular recuperators with internal recycle has been investigated. In contrast to a single-pass device of same size without recycle, considerable improvement in performance is achievable if one of the flow channels, either heated-fluid phase or cooled-fluid phase, is divided into two subchannels of same width with one performed as the cocurrent-flow operating subchannel and the other as the countercurrent-flow reflux subchannel which provides the increase of fluid velocity, resulting in reduction of heat-transfer resistance. The improvement in performance by recycling operation increases as flow rate and reflux ratio increase with negligible amount of hydraulic-dissipated energy.
Relation:	淡江理工學刊=Journal of Applied Science and Engineering 15(1), p.20-29
DOI:	10.6180/jase.2012.15.1.07
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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