Flow boiling in horizontal tubes: Part 3 - Development of a new heat transfer model based on flow pattern

被引:268
作者
Kattan, N [1 ]
Thome, JR [1 ]
Favrat, D [1 ]
机构
[1] Swiss Fed Inst Technol, Lab Ind Energy Syst, Dept Engn Mech, CH-1015 Lausanne, Switzerland
来源
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 1998年 / 120卷 / 01期
关键词
evaporation; modeling and scaling; multiphase flows;
D O I
10.1115/1.2830039
中图分类号
O414.1 [热力学];
学科分类号
摘要
A new heat transfer model for intube flow, boiling in horizontal plain tubes is proposed that incorporates the effects of local two-phase flow patterns flow stratification, and partial dryout in annular flow. Significantly the local peak in the heat transfer coefficient versus vapor quality can now be determined from the prediction of the location of onset of partial dryout in annular flow. The new method accurately predicts a large, new database of flow boiling data, and is particularly better than existing methods at high vapor qualities (x > 85 percent) and for stratified types of flows.
引用
收藏
页码:156 / 165
页数:10
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