Electrohydrodynamic Enhancement of Falling Film Evaporation Heat Transfer and its Long-Term Effect on Heat Exchangers-Reference-Cited by-同舟云学术

Electrohydrodynamic Enhancement of Falling Film Evaporation Heat Transfer and its Long-Term Effect on Heat Exchangers

Published:1997-05-01 Issue:2 Volume:119 Page:339-347
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Yamashita K.¹,Yabe A.²

Affiliation:

1. Heavy Apparatus Engineering Laboratory, Toshiba Corporation, 2-4 Suehiro-cho, Tsurumi-ku, Yokohama, 230, Japan

2. Mechanical Engineering Laboratory, AIST, Ministry of International Trade and Industry, 1-2 Namiki, Tsukuba, Ibaraki, 305, Japan

Abstract

Electrohydrodynamic (EHD) enhancement of vertical falling film evaporation heat transfer has been experimentally studied using HCFC123, which is an alternative working fluid for CFCs. This research verified that EHD enhancement of HCFC123 condensation was as effective as that of conventional working fluids. The electrodes used for EHD enhancement of vertical falling film evaporation utilized the following two EHD phenomena: extracting the liquid by a nonuniform electric field, and surface granulation by a nearly uniform electric field. As a result, an electrode with vertically arrayed offset-slits that is suitable for industrial applications has been developed that showed a six-fold enhancement of evaporation heat transfer over that for a smooth tube. The long-term effects of the high voltages associated with EHD on heat exchanger performance have been evaluated. Operation of EHD heat exchangers for 1000 hours indicates they do not sustain serious damage, and are, therefore, suitable for industrial applications.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/119/2/339/5789001/339_1.pdf

Reference25 articles.

1. Allen, P. H. G., and Cooper, P., 1987, “The Potential of Electrically Enhanced Evaporators,” Proceeding of 3rd Int. Symposium on the Large-Scale Application of Heat Pump, pp. 221–229.

2. Brumfield L. K. , and TheofanousT. G., 1976, “On the Prediction of Heat Transfer Across Turbulent Liquid Film,” ASME JOURNAL OF HEAT TRANSFER, Vol. 98, 496–502.

3. Cheng J. K. , and ChaddockJ. B., 1985, “Effect of an Electric Field on Bubble Growth Rate,” Int. Comm. Heat Mass Transfer, Vol. 12, pp. 259–268.

4. Chun K. R. , and SebanR. A., 1971, “Heat Transfer to Evaporating Liquids Film,” Int. J. Heat Mass Transfer, Vol. 93, pp. 391–396.

5. Didkovsky B. , and BologaM. K., 1982, “Vapor Film Condensation Heat Transfer and Hydrodynamics Under the Influence of an Electric Field,” Int. J. Heat Mass Transfer, Vol. 24, No. 5, pp. 811–819.

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