Two-phase flow boiling heat transfer of FC-72 in parallel micro-channels

被引：7

作者：

Choi, Yong-Seok ^{[1
]}

Lim, Tae-Woo ^{[1
]}

You, Sam-Sang ^{[2
]}

Kim, Hwan-Seong ^{[3
]}

机构：

[1] Korea Maritime & Ocean Univ, Div Marine Engn, 727 Taejong Ro, Busan 49112, South Korea

[2] Korea Maritime & Ocean Univ, Div Mech Engn, Busan, South Korea

[3] Korea Maritime & Ocean Univ, Div Logist Syst Engn, Busan, South Korea

来源：

EXPERIMENTAL HEAT TRANSFER | 2017年 / 30卷 / 04期

关键词：

Boiling; FC-72; heat transfer coefficient; modified Weber number; two-phase flow; GENERAL CORRELATION; PRESSURE-DROP; SINKS; FLUX; MICROCHANNELS; MECHANISMS;

D O I：

10.1080/08916152.2016.1238858

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Experimental research is performed on two-phase flow boiling heat transfer in micro-channels. FC-72 is used as the working fluid. In order to analyze the heat transfer mechanism during two-phase flow boiling, the dimensionless parameters, e.g., boiling number and convection number, are used, and the effect of these parameters on the heat transfer can be confirmed during flow boiling in the micro-channel. In addition, the transition criterion from bubbly/slug flow to annular flow is proposed from the modified Weber number. Based on the boiling heat transfer mechanism obtained from the experiments, a new correlation is proposed to predict the heat transfer coefficient. The new correlation predicts well the experimental results within a mean absolute error of 5.2%.

引用

页码：284 / 301

页数：18

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