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Journal of Enhanced Heat Transfer
Импакт фактор: 0.562 5-летний Импакт фактор: 0.605 SJR: 0.211 SNIP: 0.361 CiteScore™: 0.33

ISSN Печать: 1065-5131
ISSN Онлайн: 1026-5511

Выпуски:
Том 26, 2019 Том 25, 2018 Том 24, 2017 Том 23, 2016 Том 22, 2015 Том 21, 2014 Том 20, 2013 Том 19, 2012 Том 18, 2011 Том 17, 2010 Том 16, 2009 Том 15, 2008 Том 14, 2007 Том 13, 2006 Том 12, 2005 Том 11, 2004 Том 10, 2003 Том 9, 2002 Том 8, 2001 Том 7, 2000 Том 6, 1999 Том 5, 1998 Том 4, 1997 Том 3, 1996 Том 2, 1995 Том 1, 1994

Journal of Enhanced Heat Transfer

DOI: 10.1615/JEnhHeatTransf.v8.i2.40
pages 99-118

Enhancement of Condensation Heat Transfer on a Finned Tube Using an Electric Field (Experiment and Modeling Analysis on Enhancement of Heat Transfer Using a Bare Wire Electrode)

Ren Cai C. Chu
Department of Mechanical and System Engineering, Gifu University, 1-1 Yanagito, Gifu-shi, Gifu 501-1193, Japan
Shigefumi Nishio
Key Laboratory of Enhanced Heat Transfe and Energy Conservation, Ministry of Education, School of Chemical and Energy Engineering, South China University of Technology, China; and Institute of Industrial Science and Technology, University of Tokyo, Japan
Ichiro Tanasawa
Department of Mechanical Engineering, Nihon University, 1 Tokusada, Tamura-cho, Kooriyama-shi, Fukushima 963-8642, Japan

Краткое описание

A model experiment was conducted to investigate the dynamic behavior of a liquid sheet under an electric field applied parallel to the flow direction. It was confirmed that the liquid sheet was changed into columns when the applied voltage exceeded a certain critical value. A model analysis based on a linear stability theory was then carried out to predict the critical applied voltage, and the analytical results were shown to be in good agreement with the measured values. Further, based on the above-mentioned model describing the dynamic behavior of the liquid sheet, an analytical model predicting the EHD effect on condensation heat transfer for a finned tube is presented. The predicted results are shown to be in good agreement with the experimental data on the flooding angle and the condensation heat transfer coefficient for a finned tube under an electric field.


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