Boiling of HFE-7100 on a Straight Pin Fin

被引：0
|
作者：
Z. W. Liu
机构：
来源：
Journal of Thermal Science | 2001年 / 01期
关键词：
fin; boiling; CFC-substtitute; stability;
D O I：
暂无
中图分类号：
TK123 [工程热力学];
学科分类号：
080701 ;
摘要：
This paper deals with an experimental investigation of pin fin boiling of saturated and subcooled HFE-7100 under atmospheric pressure. Fin base temperature and heat flux data are measured along with the fin tip temperature. The basic features of boiling stability of HFE-7100 boiling on pin fin had been reported for the first time. For a given liquid/heating surface combination there exist upper steady-state (USS) branch and lower steady-state (LSS) branch, and a large, unstable regime located in between. Zones with different stability characteristics are mapped according to boiling on fins with different aspect ratios. Liquid subcooling can largely enhance heat transfer performance. A longer fin can provide a safer operation
引用
收藏
页码：79 / 82
页数：4
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