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Numerical investigation of fluid flow and heat transfer over louvered fins in compact heat exchanger

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Title Numerical investigation of fluid flow and heat transfer over louvered fins in compact heat exchanger
 
Creator MALAPURE, VP
MITRA, SK
BHATTACHARYA, A
 
Subject flat-tube
geometry
transition
friction factor
heat exchangers
louvered fins
stanton number
 
Description Numerical investigation of fluid flow and heat transfer characteristics over louvered fins and flat tube in compact heat exchangers is presented in this study. Three-dimensional simulations of single and double row tubes with louvered fins have been conducted. Simulations are performed for different geometries with varying louver pitch, louver an.-le, fin pitch and tube pitch and for different Reynolds number. Conjugate heat transfer and conduction through the fins are considered. The air-side performance of heat exchanger is evaluated by calculating Stanton number and friction factor. The results are compared with experiment and a good agreement is observed. The local Nusselt number variation along the top surface of the louver is calculated and effects of geometrical parameters on the average heat transfer coefficient is computed. Design Curves are obtained which can used to predict the heat transfer and the pressure drop for a given louver geometry. (C) 2006 Elsevier Masson SAS. .
 
Publisher ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
 
Date 2011-07-21T16:58:46Z
2011-12-26T12:52:06Z
2011-12-27T05:39:05Z
2011-07-21T16:58:46Z
2011-12-26T12:52:06Z
2011-12-27T05:39:05Z
2007
 
Type Article
 
Identifier INTERNATIONAL JOURNAL OF THERMAL SCIENCES, 46(2), 199-211
1290-0729
http://dx.doi.org/10.1016/j.ijthermalsci.2006.04.010
http://dspace.library.iitb.ac.in/xmlui/handle/10054/5929
http://hdl.handle.net/10054/5929
 
Language en