Electrohydrodynamically Enhanced Convective Boiling: Relationship Between Electrohydrodynamic Pressure and Momentum Flux Rate-Reference-Cited by-同舟云学术

Electrohydrodynamically Enhanced Convective Boiling: Relationship Between Electrohydrodynamic Pressure and Momentum Flux Rate

Published:1999-11-04 Issue:2 Volume:122 Page:266-277
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Bryan J. E.¹,Seyed-Yagoobi J.²

Affiliation:

1. Outokumpu Copper, 4720 Bowling Green Road, Franklin, KY 42134

2. Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123

Abstract

The relationship between the mean radial electrohydrodynamic (EHD) pressure and the rate of the axial momentum flux and its influence on heat transfer enhancement and pressure drop in EHD-enhanced convective boiling of R-134a in a horizontal smooth tube was investigated in detail. A simple theory, which included the characteristics of two-phase flow, was developed to determine the mean radial EHD pressure. It was shown that the amount of heat transfer enhancement and the pressure drop penalty were dependent upon the size of the mean radial EHD pressure relative to the rate of the axial momentum flux. The influence of the mass flux, change in quality, and saturation temperature on the mean radial EHD pressure relative to the rate of the axial momentum flux was also studied. This study has provided a greater understanding of EHD enhancement of the convective boiling heat transfer. [S0022-1481(00)01802-8]

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/122/2/266/5911618/266_1.pdf

Reference21 articles.

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2. Yabe, A., Taketani, T., Maki, H., Takahshi, K., and Nakadai, Y., 1992, “Experimental Study of Electrohydrodynamically Enhanced Evaporator for Nonazeotropic Mixtures,” ASHRAE Transactions, 98, No. 2, pp. 455–461.

3. Singh, A., 1995, “Electrohydrodynamic (EHD) Enhancement of In-Tube Boiling and Condensation of Alternative (NON-CFC) Refrigerants,” Ph.D. dissertation, University of Maryland, College Park, MD.

4. Salehi, M., Ohadi, M. M., and Dessiatoun, S., 1996, “Minimization of Pressure Drop for EHD-Enhanced In-tube Boiling of R-134a,” Advances in Energy Efficiency, Heat/Mass Transfer Enhancement, ASME, New York, pp. 25–31.

5. Bryan, J. E., and Seyed-Yagoobi, J., 1997, “Influence of Flow Regime, Heat Flux, and Mass Flux on Electrohydrodynamically Enhanced Convective Boiling,” Proceedings of the ASME Heat Transfer Division, ASME, New York, pp. 187–196.

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