Experimental investigation on ethane pulsating heat pipe based on Stirling cooler

被引：14

作者：

Chen, Xi ^{[1
]}

Shao, Shuai ^{[1
]}

Xiang, Jiajia ^{[1
]}

Ma, Wentong ^{[1
]}

Zhang, Hua ^{[1
]}

机构：

[1] Univ Shanghai Sci & Technol, Sch Energy & Power Engn, 516 Jungong Rd, Shanghai 200093, Peoples R China

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2018年 / 88卷

关键词：

Ethane pulsating heat pipe; Thermal resistance; Stirling cooler; Inclination angle; Anti-gravity; THERMAL PERFORMANCE; INCLINATION; FLOW;

D O I：

10.1016/j.ijrefrig.2018.02.020

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

An experimental system was built to investigate heat transfer characteristics of an ethane pulsating heat pipe (EPHP) based a Stirling cooler. The EPHP is made of copper pipe with an inner diameter of 2 mm, consisting of 20 tubes. The effects of filling ratios (FRs), heat inputs (HIs) and inclination angles (IAs) on the performance of the EPHP were studied under different temperature regions. During the cooling process, the EPHP shows a high heat transfer efficiency. The optimal FR corresponding to the lowest thermal resistance is about 30%. For the same FR, the best heat transfer performance of EPHP is not obtained at IA of 90 degrees, but a specific IA between vertical and horizontal orientation. The thermal resistance increases slowly when the IA increases under anti-gravity condition, but when the IA is close to -90 degrees, the thermal resistance increases rapidly. (C) 2018 Elsevier Ltd and IIR. All rights reserved.

引用

页码：506 / 515

页数：10

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