Title: Numerical investigations for the optimization of serrated finned-tube heat exchangers
Authors: Lemouedda, A. 
Schmid, A. 
Franz, Eberhard 
Breuer, Michael  
Delgado, Antonio 
Language: en_US
Subject (DDC): DDC - Dewey Decimal Classification::000 Informatik, Wissen, Systeme
DDC - Dewey Decimal Classification::500 Naturwissenschaften
DDC - Dewey Decimal Classification::600 Technik
Issue Date: Jun-2011
Publisher: Elsevier Science
Document Type: Article
Source: Enthalten in: Applied thermal engineering. - Amsterdam [u.a.] : Elsevier Science, 1996- ; ZDB-ID: 2019322-1 . - Bd. 38.2011, 8/9, Seite 1393-1401
Journal / Series / Working Paper (HSU): Applied thermal engineering 
Volume: 38
Issue: 8/9
Page Start: 1393
Page End: 1401
Publisher Place: Amsterdam
Document Version: draft
Helical serrated finned-tubes are well established in many thermal systems. This paper presents the results of numerical calculations carried out for the performance improvement of these devices. The work is divided into three main investigations conducted for Reynolds numbers between Re = 600 and 2600. The first investigation shows the effect of the fin serration, where a comparison between performances of finned tubes with and without fin serration is presented. Another main investigation is conducted on the effect of fin twisting of the outermost part of the fin on the performance of the serrated finned-tubes. Here, twisting angles considered are between β = 0° and 25°. The third investigation deals with the effect of the number of fin segments per period. © 2011 Elsevier Ltd. All rights reserved.
Organization Units (connected with the publication): Strömungsmechanik 
URL: https://api.elsevier.com/content/abstract/scopus_id/79952536480
ISSN: 13594311
DOI: 10.1016/j.applthermaleng.2010.12.035
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