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ACRC Technical Report 115PDF

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Title:Fluid Flow and Heat Transfer in Serpentine Channels at Low Reynolds Numbers
Author(s):Volker, S.; Vanka, S.P.
Subject(s):wavy fins
heat transfer augmentation
Abstract:Fluid flow and heat transfer in a two-dimensional serpentine channel was investigated numerically for Reynolds numbers between 175 and 725. A fifth-order finite differencing scheme was employed to carry out the computations. Three different geometries were studied. All three geometries consisted of the same wave length and the same shape of top and bottom walls, but different channel heights. In addition, two different inlet/outlet boundary conditions were investigated. It was found that the heat transfer as well as the pressure drop increase with decreasing channel height. For a given channel height, the results show that the time-averaged mean Nusselt number as well as the time averaged mean friction factor scale linearly with the Reynolds number.
Issue Date:1997-04
Publisher:Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report:Air Conditioning and Refrigeration Center TR-115
Genre:Technical Report
Type:Text
Language:English
URI:http://hdl.handle.net/2142/11594
Sponsor:Air Conditioning and Refrigeration Project 65
Date Available in IDEALS:2009-04-24


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