Modeling and Analysis of Supercritical Startup of a Cryogenic Loop Heat Pipe

被引：11
|
作者：
Bai, Lizhan [1 ]
Lin, Guiping [1 ]
Peterson, G. P. [2 ]
Wen, Dongsheng [3 ]
机构：
[1] Beihang Univ, Sch Aeronaut Sci & Engn, Beijing 100191, Peoples R China
[2] Georgia Inst Technol, Woodruff Sch Mech Engn, Atlanta, GA 30318 USA
[3] Queen Mary Univ London, Sch Engn & Mat Sci, London E1 4NS, England
来源：
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 2011年 / 133卷 / 12期
关键词：
loop heat pipe; cryogenic; mathematical model; startup; nodal network; DESIGN;
D O I：
10.1115/1.4004595
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Supercritical startup of cryogenic loop heat pipes (CLHPs) has been investigated both analytically and experimentally. Mathematical model of the supercritical startup has been established using the nodal network method, and parametric study is conducted where the effects of working fluid charged pressure, parasitic heat load from the ambient, etc., on the supercritical startup characteristics are incorporated and evaluated. The result improves understanding of the effects of these parameters on supercritical startup and identification of those conditions under which supercritical startup can and will occur. In addition, the modeling effort has led to an enhanced understanding of supercritical startup performance. [DOI: 10.1115/1.4004595]
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页数：9
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