Solidification within a wavy triplex-tube heat storage unit utilizing numerical simulation considering Al2O3 nanoparticles

A. Nematpour Keshteli and M. Sheikholeslami

Physica A: Statistical Mechanics and its Applications, 2020, vol. 550, issue C

Abstract: Current article presents a study on the solidification within triplex tube storage unit for analyzing the thermal treatments of PCM. H2O flows within the outer and inner pipes, in the meanwhile the middle pipe is filled with RT82 paraffin as PCM. The chief goal of this research is to investigate the effects of making the inner, outer or both of these pipes in heat exchanger wavy, and also investigate the enhancements which can be obtained by dispersing nanomaterial into the PCM. The stored energy amount and Tave of PCM during the freezing process in the TTHX containing pure PCM and NEPCM were compared. The results suggest that with the dispersion of nanomaterial, the heat transfer rate augments and the nanoparticles reduce the freezing time and making the pipes wavy can reduce the freezing time.

Keywords: Nanoparticles; Triplex tube; PCM; Solidification; Heat exchanger (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:550:y:2020:i:c:s037843711932179x

DOI: 10.1016/j.physa.2019.123944

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