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Vortex-Generator Pairs for Vortex-Induced Heat-Transfer Enhancement in Heat-Exchanger Channels

Rütten, Markus and Krenkel, Lars (2010) Vortex-Generator Pairs for Vortex-Induced Heat-Transfer Enhancement in Heat-Exchanger Channels. In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design New Results in Numerical and Experimental Fluid Mechanics VII, Vol. 112. Springer Verlag Berlin, Heidelberg. pp. 555-562. ISBN 978-3-642-14242-0. ISSN 1612-2909

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Official URL: http://www.springer.com

Abstract

The objective of the presented work is to investigate possibilities for increasing the heat-transfer in heat-exchanger channels for aircraft applications by using flowmanipulating devices. Focal point of the investigation are different arrangements of vortex-generator pairs within a generic heat-exchanger channel. The DLR URANS CFD solver THETA has been used to carry out numerical simulations of the laminar flow within a rectangular channel with integrated vortex generators. In particular, the analysis of the interaction of generated vortices with the stratified thermal boundary layer, the impact of vortical flow structures on heated walls and the enforced mixed-convection flow is of special interest. The final goal is the evaluation of the applicability of oppositely arranged vortex-generator pairs for the enhancement of vortex-induced heat-transfer.

Document Type:Contribution to a Collection
Title:Vortex-Generator Pairs for Vortex-Induced Heat-Transfer Enhancement in Heat-Exchanger Channels
Authors:
AuthorsInstitution or Email of Authors
Rütten, Markusmarkus.ruetten@dlr.de
Krenkel, LarsUNSPECIFIED
Date:November 2010
Journal or Publication Title:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
Refereed publication:Yes
In Open Access:Yes
In ISI Web of Science:No
Volume:Vol. 112
DOI:10.1007/978-3-642-14243-7_68
Page Range:pp. 555-562
Editors:
EditorsEmail
Dillmann, AndreasUNSPECIFIED
Gerd, HellerAirbus Deutschland
Klaas, MichaelRWTH Aachen
Kreplin, Hans-PeterUNSPECIFIED
Nitsche, WolfgangTU Berlin
Schröder, WolfgangRWTH Aachen
Publisher:Springer Verlag Berlin, Heidelberg
Series Name:New Results in Numerical and Experimental Fluid Mechanics VII
ISSN:1612-2909
ISBN:978-3-642-14242-0
Status:Published
Keywords:vortex generators, heat exchanger, CFD
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Fluid Systems
Deposited By: Dr.-Ing. Markus Rütten
Deposited On:14 Oct 2010 14:08
Last Modified:14 Oct 2010 14:08

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