Meter-scale multi-loop capillary heat pipe

被引：16

作者：

Okazaki, Shun ^{[1
]}

Fuke, Hideyuki ^{[1
]}

Ogawa, Hiroyuki ^{[1
]}

Miyazaki, Yoshiro ^{[2
]}

Takahashi, Katsumasa ^{[3
]}

Yamada, Noboru ^{[3
]}

机构：

[1] Japan Aerosp Explorat Agcy JAXA ISAS, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2525210, Japan

[2] Thermal Control Lab Inc, Fukui, Fukui 9100017, Japan

[3] Nagaoka Univ Technol, Nagaoka, Niigata 9402188, Japan

来源：

APPLIED THERMAL ENGINEERING | 2018年 / 141卷

关键词：

Cooling system design; Two-phase flow; Homogeneous flow; Variable conductance; Thermosyphon; PRESSURE-DROP; TUBES; FLOW;

D O I：

10.1016/j.applthermaleng.2018.05.116

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this study, a newly proposed heat pipe system was investigated to transfer heat from a vertical heated plate to a vertical cooled plate arranged in parallel. The heat pipe system comprises 32 loops connected in series and a reservoir. Each square-shaped loop (with a side length of 2 m) comprises a capillary tube with an inner diameter of 1.0 mm without any internal wick. The system's overall thermal performance was investigated at room temperature using R410A as the working fluid. Temperatures, pressures, and reservoir weight were monitored, and thereby confirming that the system transfers heat up to several hundred watts by a passive two-phase flow. Numerical simulations with a simple model were consistent with the data and verified that the saturated pressure of the system is controlled by the reservoir temperature independent of the amount of heat load.

引用

页码：20 / 28

页数：9

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