A general correlation for evaporative heat transfer in micro/mini-channels

被引：193

作者：

Li, Wei ^{[1
]}

Wu, Zan ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Energy Engn, Hangzhou 310027, Zhejiang, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2010年 / 53卷 / 9-10期

基金：

中国国家自然科学基金;

关键词：

Micro-channel; Saturated-flow boiling; Heat transfer; Bond number; Reynolds number; 2-PHASE FLOW; PRESSURE-DROP; DIAMETER; WATER; FLUX; CO2; VAPORIZATION; REFRIGERANT; R-134A; MICROCHANNELS;

D O I：

10.1016/j.ijheatmasstransfer.2010.01.012

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Experimental results of the saturated-flow boiling heat transfer in micro/mini-channels for both multi- and single-channel configurations were obtained from the literature. The collected database contains more than 3700 data points, covering a wide range of working fluids, operational conditions, and different micro-channel dimensions The whole database was analyzed by using various existing correlations to verify their respective accuracies. However, none of the existing correlations could predict the data sets precisely. Using the boiling number, Bond number and Reynolds number, a general correlation for evaporative heat transfer in micro/mini-channels was established In addition. the Bond number in predicting heat-transfer coefficients can be used as a criterion to classify a flow path as a micro-channel or as a conventional macro-channel. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1778 / 1787

页数：10

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