Energy Storage Science and Technology ›› 2022, Vol. 11 ›› Issue (10): 3161-3170.doi: 10.19799/j.cnki.2095-4239.2022.0021

• Energy Storage Materials and Devices • Previous Articles     Next Articles

Experiment on heat transfer performance of phase change materials strengthened by nanoparticles and fins

Jin CHAI(), Jun WANG(), Qiqiang NI   

  1. School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
  • Received:2022-01-12 Revised:2022-03-02 Online:2022-10-05 Published:2022-10-10
  • Contact: Jun WANG E-mail:cj_020498@163.com;qcwjun@ujs.edu.cn

Abstract:

A phase change material (PCM) melting test apparatus was constructed, metal fins were added to the PCM, and paraffin was used as the PCM. Subsequently, high thermal conductivity nanoparticles and metal fins were added to the PCM. The temperature data acquisition system was used to record the internal temperature change trend in the melting process of PCM in order to analyze the influence of the mass fraction of nanoparticles and the number of fins on the heat transfer performance of PCM. Also, the results show that the addition of nanoparticles can effectively improve the temperature of PCM. The temperature rise rate of 0.06% graphene/PCM is higher than the heat transfer effect, and it is better than other components of graphene/PCM. Moreover, the addition of fins can improve the internal temperature response of PCM, and the overall heat transfer performance of 9 fins/PCM is better than that of other fins/PCM. The combination of nanoparticles and finned structure can improve the heat transfer performance of PCM. In the first 60 min of the experiment, the temperature rise of 9 fins and 0.06% graphene/PCM was faster than that of other enhanced combinations. From 60 to 90 min, the heat transfer performance of 9 fins and 0.09% graphene/PCM was enhanced, with the highest temperature rise. Therefore, they are excellent combinations in the experiment to enhance PCM heat transfer performance.

Key words: nanoparticle, fin, phase change material, heat transfer performance

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