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

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  • Keshteli, A. Nematpour
  • Sheikholeslami, M.

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.

Suggested Citation

  • Keshteli, A. Nematpour & Sheikholeslami, M., 2020. "Solidification within a wavy triplex-tube heat storage unit utilizing numerical simulation considering Al2O3 nanoparticles," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 550(C).
  • Handle: RePEc:eee:phsmap:v:550:y:2020:i:c:s037843711932179x
    DOI: 10.1016/j.physa.2019.123944
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    References listed on IDEAS

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    1. Liu, Qun & Jiang, Daqing & Hayat, Tasawar & Alsaedi, Ahmed, 2018. "Long-time behavior of a stochastic logistic equation with distributed delay and nonlinear perturbation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 508(C), pages 289-304.
    2. Medrano, M. & Yilmaz, M.O. & Nogués, M. & Martorell, I. & Roca, Joan & Cabeza, Luisa F., 2009. "Experimental evaluation of commercial heat exchangers for use as PCM thermal storage systems," Applied Energy, Elsevier, vol. 86(10), pages 2047-2055, October.
    3. Longeon, Martin & Soupart, Adèle & Fourmigué, Jean-François & Bruch, Arnaud & Marty, Philippe, 2013. "Experimental and numerical study of annular PCM storage in the presence of natural convection," Applied Energy, Elsevier, vol. 112(C), pages 175-184.
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