Experimental Investigation on Startup and Thermal Performance of a High Temperature Heat Pipe

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Title:	Experimental Investigation on Startup and Thermal Performance of a High Temperature Heat Pipe
Authors:	Yeh, Huan-Ming;Chang, Chun-lin;Tsai, Meng-Chang;Wu, His-Hsiang;Kang, Shung-Wen
Keywords:	high temperature heat pipe;metal sodium;stainless steel screen
Date:	2018-06-10
Issue Date:	2018-10-04 12:11:54 (UTC+8)
Abstract:	Heat pipe play an important role in high temperature energy transfer system and storage system. It can be applied to the areas such as solar energy storage system and waste heat recovery. High temperature heat pipes with 420mm in length, 13mm in outer diameter and 2mm in tube thickness have been developed and tested. The device was made of Inconel 600 equipped with a 316 stainless-steel 100 mesh wick. The working fluid was metal sodium with a filling ratio of 10% (2.86g). Heat pipes start-up and thermal characteristics were investigated at different orientations with slopes of -15°, 0°, +45° and +90° while heat sink temperatures were kept at 27°C air environment. The evaporator temperature of 800°C was achieved when the input power was set at 790W. It has been found that the lowest value of the heat pipes thermal resistance was 0.11 °C/W when the inclination angle was at 90°
Relation:	Proceedings of Joint 19th IHPC and 13th IHPS
Appears in Collections:	[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Proceeding

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