An investigation of condensate retention on pin-fin tubes

被引：35
|
作者：
Ali, Hafiz Muhammad [1 ]
Briggs, Adrian [2 ]
机构：
[1] Univ Engn & Technol, Dept Mech Engn, Taxila 47050, Pakistan
[2] Queen Mary Univ London, Sch Engn & Mat Sci, London E1 4NS, England
来源：
APPLIED THERMAL ENGINEERING | 2014年 / 63卷 / 02期
关键词：
Condensate flooding; Condensate retention; Pin-fin tubes; Retention angle; HEAT-TRANSFER; FILM CONDENSATION; VAPOR; STEAM; MODEL;
D O I：
10.1016/j.applthermaleng.2013.11.038
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Retention angle measurements on 15 rectangular pin-fin tubes are made under static conditions (without condensation) using water, ethylene glycol and R-113. Condensate retention angles found to be considerably larger than the equivalent integral-fin tubes (i.e. with the same fin height, root diameter and longitudinal pin thickness and spacing) in a range of 5%-60%. An expression for condensate retention angle on pin-fin tubes was proposed and found to agree with the measured retention angles to within 15%. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：503 / 510
页数：8
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