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:	Ho-Ming Yeh;Chii-Dong Ho
Keywords:	Heat Transfer;Rectangular Recuperators;Internal Reflux;Parallel Flow
Date:	2012/03/15
Issue Date:	2016-04-22 13:20:40 (UTC+8)
Publisher:	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:	Journal of Applied Science and Engineering 15(1), p.59-68
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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