Numerical Simulation of Bubble Merger Process on a Single Nucleation Site During Pool Nucleate Boiling-Reference-Cited by-同舟云学术

Numerical Simulation of Bubble Merger Process on a Single Nucleation Site During Pool Nucleate Boiling

Published:2001-08-16 Issue:1 Volume:124 Page:51-62
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Son G.¹,Ramanujapu N.²,Dhir V. K.²

Affiliation:

1. Department of Mechanical Engineering, Sogang University, Seoul, 121-742, Korea

2. Mechanical and Aerospace Engineering Department, University of California, Los Angeles, Los Angeles, CA 90095

Abstract

A bubble merger process on a single nucleation site has been investigated by numerically solving the equations governing conservation of mass, momentum and energy in the vapor and liquid phases. The vapor-liquid interface is captured by a level set method which can easily handle breaking and merging of the interface. The level set method is modified to include the effects of phase change at the interface and contact angle at the wall. Also, the evaporative heat flux from the thin liquid film that forms underneath a growing bubble attached to the wall is incorporated in the analysis. Based on the numerical simulations, the effect of bubble merger on vapor removal rate, flow field and heat transfer has been quantified. The bubble merger pattern predicted numerically has been found to compare well with the experimental observations.

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/124/1/51/5550491/51_1.pdf

Reference7 articles.

1. Lee, R. C., and Nydahl, J. E., 1989, “Numerical Calculation of Bubble Growth in Nucleate Boiling From Inception Through Departure,” ASME J. Heat Transfer, 111, pp. 474–479.

2. Welch, S. W. J. , 1998, “Direct Simulation of Vapor Bubble Growth,” Int. J. Heat Mass Transf., 41, pp. 1655–1666.

3. Son, G., Dhir, V. K., and Ramanujapu, N., 1999, “Dynamics and Heat Transfer Associated With a Single Bubble During Nucleate Boiling on a Horizontal Surface,” ASME J. Heat Transfer, 121, pp. 623–631.

4. Sussman, M., Smereka, P., and Osher, S., 1994, “A Level Set Approach for Computing Solutions to Incompressible Two-Phase Flow,” J. Comput. Phys., 114, pp. 146–159.

5. Gaertner, R. F. , 1965, “Photographic Study of Nucleate Pool Boiling on a Horizontal Surface,” ASME J. Heat Transfer, 87, pp. 17–29.

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