Combined effects of inclination angle and fin number on thermal performance of a PCM-based heat sink

被引：82
作者：
Yazici, Mustafa Yusuf [1 ]
Avci, Mete [1 ]
Aydin, Orhan [1 ]
机构：
[1] Karadeniz Tech Univ, Dept Mech Engn, TR-61080 Trabzon, Turkey
来源：
APPLIED THERMAL ENGINEERING | 2019年 / 159卷
关键词：
Thermal management; Electronics cooling; PCM-based heat sinks; Inclination angle; Fin number; PHASE-CHANGE MATERIAL; LI-ION BATTERIES; RECTANGULAR ENCLOSURES; ELECTRONIC COMPONENTS; MANAGEMENT-SYSTEMS; POWER ELECTRONICS; N-EICOSANE; TEMPERATURE;
D O I：
10.1016/j.applthermaleng.2019.113956
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Combined effects of fin number and inclination angle on the thermal performance of a PCM-based heat sink with longitudinal plate fins are investigated experimentally. Five different heat sink geometries with one, two, three, four and five fins are tested under different inclination angles varied from 0 degrees to 90 degrees at a constant thermal load of 16 W for the cases of with and without PCM inclusion. N-eicosane is used as the phase change material. Simultaneous temperature measurements and solid-liquid interface imaging are made to evaluate cooling performance of each heat sink configuration. The results reveal that the inclination angle and fin number plays a critical role on the formation of convective cells in the liquid PCM domain and consequently on the heat transfer and operating time. It is disclosed that the heat sink configuration with an inclination angle of 60 degrees and three fins performs the optimal result in terms of operating time.
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页数：14
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