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Heat Transfer Research
インパクトファクター: 0.404 5年インパクトファクター: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN 印刷: 1064-2285
ISSN オンライン: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.2017015549
pages 1515-1529

NUMERICAL INVESTIGATION OF MELTING PROCESS IN HORIZONTAL SHELL-AND-TUBE PHASE CHANGE MATERIAL STORAGE CONSIDERING DIFFERENT HTF CHANNEL GEOMETRIES

Seyed Soheil Mousavi Ajarostaghi
Faculty of Mechanical Engineering, Babol Noshirvani University of Technology, Babol, Iran
Mojtaba Aghajani Delavar
Faculty of Mechanical Engineering, Babol Noshirvani University of Technology, Babol, Iran
Adel Dolati
Faculty of Mechanical Engineering, Mazandaran University of Science and Technology, Babol, Iran

要約

This work studies the effect of channel geometries on melting process (charging) in a phase change material (PCM) cylindrical storage. In order to investigate the melting process, different geometries of HTF channel cross section including circular, rectangular, elliptical, square, and diamond-like are considered. The results show that the melting time of 75% of PCM for all models is very close to each other and there is no significant difference. Thenceforward the main differences appear that depend on the geometry of PCM storage and the impact of the buoyant force. Through this study it is found that PCM cylindrical storage with vertical rectangular cross section has the highest melting rate in comparison with all models, and the melting time decreases to 74% of the circular cross section, while horizontal rectangular and elliptical cross sections melt slower than other all models.


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