STUDY ON HEAT TRANSFER CHARACTERISTICS OF SINGLE-LAYER DOUBLE-ROW PULSATING HEAT PIPE

被引：3

作者：

Shang, Fumin ^{[1
,2
]}

Fan, Shilong ^{[1
]}

Yang, Qingjing ^{[1
]}

Liu, Chaoyue ^{[1
]}

Liu, Jianhong ^{[1
]}

机构：

[1] Changchun Inst Technol, Sch Energy & Power, Changchun, Peoples R China

[2] Jilin Engn Res Ctr Bldg Energy Supply & Indoor En, Changchun, Peoples R China

来源：

THERMAL SCIENCE | 2022年 / 26卷 / 4B期

关键词：

pulsating heat pipe; double-row structure; start-up mode; heat transfer performance; CLOSED-LOOP; THERMAL PERFORMANCE; FLOW CHARACTERISTICS; INCLINATION ANGLE; FLUX; PREDICT; DESIGN; TURNS;

D O I：

10.2298/TSCI210226253S

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The structure and inclination angle of a pulsating heat pipe are critical factors influencing the heat transfer performance and operation mode. In this work, a single-layer double-row pulsating heat pipe is designed, and the start-up and heat transfer characteristics of pulsating heat pipe at limit angles (0 degrees, 90 degrees, and 180 degrees) are experimentally investigated. Also, the operation mode and heat transfer characteristics are studied through infrared imager and temperature profiles. The study highlighted that the pulsating heat pipe has excellent operation characteristics in the limit angle. When the inclination angle is 0 degrees, the double-row structure improves the start-up performance and at 90 degrees inclination, the pulsating heat pipe starts the fastest, and the heat transfer resistance keeps the smallest in the whole test. When the inclination angle is 180 degrees, the pulsating heat pipe has the best thermal sensitivity but weak working fluid-flow capacity during operation.

引用

页码：3325 / 3334

页数：10

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