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An Experimental Evaluation of the Thermal-Hydraulic Impact of Delta-Wing Vortex Generators in Plain-fin-and-Tube Heat Exchangers

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PDF TR172.pdf (1MB) ACRC Technical Report 172 PDF
Title: An Experimental Evaluation of the Thermal-Hydraulic Impact of Delta-Wing Vortex Generators in Plain-fin-and-Tube Heat Exchangers
Author(s): El Sherbini, A.I.; Jacobi, A.M.
Subject(s): condensate retention air-side heat transfer
Abstract: Longitudinal vortex generation is a technique for enhancing heat transfer. Recent studies have tried to simulate the conditions for vortex generators in heat exchangers. In this work, the effectiveness of delta-wing vortex generators for fin-and-tube heat exchangers is experimentally evaluated in full-scale testing. The heat transfer and pressure drop performance of a heat exchanger are tested before and after adding a single row of vortex generators. A heat transfer enhancement of 31 % was achieved, with a pressure drop penalty smaller than 10%. The results demonstrate the high potential for this method of heat transfer augmentation in plain-fin-and-tube heat exchanger applications.
Issue Date: 2000-07
Publisher: Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign.
Series/Report: Air Conditioning and Refrigeration Center TR-172
Genre: Technical Report
Type: Text
Language: English
URI: http://hdl.handle.net/2142/11953
Sponsor: Air Conditioning and Refrigeration Project 110
Date Available in IDEALS: 2009-05-29
 

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