OPTIMUM CONFIGURATION OF A FIN FOR BOILING HEAT-TRANSFER

被引：11

作者：

YEH, RH ^{[1
]}

LIAW, SP ^{[1
]}

机构：

[1] NATL TAIWAN OCEAN UNIV,DEPT MARINE ENGN,TAIPEI,TAIWAN

来源：

JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 1993年 / 330卷 / 01期

关键词：

D O I：

10.1016/0016-0032(93)90027-R

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Based on the principle of minimum volume, an optimum shape of fin is proposed in this study. The outer appearance is essentially like a cylindrical fin and the excavated part is in the inner portion of the fin. First, the surface heat flux is assumed to follow a power-law dependence. With the aid of one-dimensional analysis, the temperature distributions and the profiles of the excavation hole are calculated for various single heat transfer modes. Secondly, the boiling curve of isopropyl alcohol on copper surface is used as an input to the model. The base temperature in the film boiling regime is taken and the optimum geometry is presented. Finally, the efficiency based on the volume and heat duty is discussed.

引用

页码：153 / 163

页数：11

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