AN EXPERIMENTAL-STUDY OF FLOW BOILING HEAT-TRANSFER IN RIB-ROUGHENED TUBE ANNULI

被引：12

作者：

HSIEH, SS

WEN, MY

机构：

[1] Department of Mechanical Engineering, National Sun Yat-Sen University, Kaohsiung

来源：

JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 1995年 / 117卷 / 01期

关键词：

AUGMENTATION AND ENHANCEMENT; BOILING; FORCED CONVECTION;

D O I：

10.1115/1.2822302

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Heat transfer measurements were performed on six rib-type roughened tube annuli (4.67-9.01 mm D-h 6-16 ribs, rib pitch 19.7-63.0 mm, rib height 4 mm, rib width 15 mm, rib angle 20-60 deg) with two phases of refrigerant R-114 under evaporating conditions. Based on the same heat transfer area of the test section, the effects of heat flux quality, and rib spacing on flow boiling heat transfer coefficient were presented and discussed. Correlations of two-phase enhancement factor F and suppression factor S were developed by modifications and extensions of Chen's model for the present geometric configurations.

引用

页码：185 / 194

页数：10

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