Field synergy analysis for enhancing heat transfer capability of a novel narrow-tube closed oscillating heat pipe

E. Jiaqiang, Xiaohuan Zhao, Haili Liu, Jianmei Chen, Wei Zuo and Qingguo Peng

Applied Energy, 2016, vol. 175, issue C, 218-228

Abstract: It is really important for a closed oscillating heat pipe (COHP) system to achieve a higher heat dissipation capacity. In this work, a novel narrow-tube closed oscillating heat pipe model with two backward steps is proposed to enhance its heat transfer ability that is attributed to the oscillation cycle in a fixed direction. Volume of fluid (VOF) simulations and related experiments are performed to investigate the vapor, the temperature distribution and the thermal performance of the COHP. Compared with conventional heat pipe, the results indicate that the novel narrow-tube closed oscillating heat pipe has advantages in the vapor uniform, the heat transfer and the oscillation motion. Field Synergy Principle (FSP) is employed to investigate the reasons for the improvement of the heat transfer capability of the novel COHP, which provides a better guide for strengthening the heat dissipation capacity of the COHP system.

Keywords: Closed oscillating heat pipe; Field Synergy Principle; Thermal performance; Heat and mass transfer; Volume of fluid (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (22)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:175:y:2016:i:c:p:218-228

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DOI: 10.1016/j.apenergy.2016.05.028

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