MATHEMATICAL AND PHYSICAL MODEL AND NUMERICAL SIMULATION OF DROPWISE CONDENSATION HEAT TRANSFER

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2001, Vol. 18 ›› Issue (4): 334-340.

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MATHEMATICAL AND PHYSICAL MODEL AND NUMERICAL SIMULATION OF DROPWISE CONDENSATION HEAT TRANSFER

WU Yu-ting¹, YANG Chun-xin¹, YUAN Xiu-gan¹, MA Chong-fang²

1. Department of Flying Vehicle Design and Applied Mechanics, Beijing University of Aeronautics and Astronautics, Beijing 100083, P R China;
2. College of Enviromental and Energy

Received:2000-02-25 Revised:2000-08-07 Online:2001-07-25 Published:2001-07-25

Abstract

Abstract: A random fractal model of the drop size and space distribution in dropwise condensation is presented.The boundary conditions of heat conduction through the condensate wall are defined by use of the heat transfer model through a single drop proposed by Rose.Thus,the mathematical model of dropwise condensation heat transfer is established.A numerical simulation of dropwise condensation heat transfer of water on the copper wall has been performed.The results agree well with the bulk of existing experimental data and the precision is higher than that of the model proposed by Rose.

Key words: dropwise condensation, heat transfer, fractal, numerical simulation

CLC Number:

TK124

WU Yu-ting, YANG Chun-xin, YUAN Xiu-gan, MA Chong-fang. MATHEMATICAL AND PHYSICAL MODEL AND NUMERICAL SIMULATION OF DROPWISE CONDENSATION HEAT TRANSFER[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2001, 18(4): 334-340.

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MATHEMATICAL AND PHYSICAL MODEL AND NUMERICAL SIMULATION OF DROPWISE CONDENSATION HEAT TRANSFER

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