Effects of pin-finned condensing surfaces on pool boiling in FC-72

被引：0
|
作者：
Karng, Sarng Woo [1 ]
Ji, Tae Ho [2 ]
Kim, Seo Young [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Thermal Flow Control Res Ctr, Seoul 130650, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea
来源：
2006 PROCEEDINGS 10TH INTERSOCIETY CONFERENCE ON THERMAL AND THERMOMECHANICAL PHENOMENA IN ELECTRONICS SYSTEMS, VOLS 1 AND 2 | 2006年
关键词：
pin-finned surface; array spacing; superheat; hysteresis phenomenon; hysteresis;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In the present study, the boiling of FC-72 occurs from a smooth boiling surface (14 x 14 mm(2)) and its vapor is condensed by four different types of condensing surfaces (30 x 30 mm(2) base): a smooth surface and 1 x 1 mm(2) pin-finned surfaces of 2 min high with 0.3 nun, 0.5 mm, and 1 ram array spacing. Boiling characteristics are investigated in detail for different condensing surfaces. For a smooth boiling surface, the results obtained display that the pin-finned condensing surface with 1 mm array spacing yields the best performance and the smooth condensing surface does the worst. Furthermore hysteresis phenomenon is substantially reduced by using the enhanced condensing surfaces.
引用
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页码：586 / +
页数：2
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