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Analysis of Transient Heat Transfer in a Thermal Energy Storage Module

[+] Author Affiliations
S. Kuravi, J. Trahan, M. M. Rahman, D. Y. Goswami, E. K. Stefanakos

University of South Florida, Tampa, FL

Paper No. IMECE2010-40773, pp. 1251-1258; 8 pages
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4429-8
  • Copyright © 2010 by ASME


The transient behavior of a thermal energy storage system was studied numerically. The storage system is composed of cylindrical tube containing the phase change material (PCM) surrounded by the heat transfer fluid (HTF) that flows along the axial direction of the tube. The melting of PCM was solved using specific heat capacity method. The heat transfer inside the tubes was analyzed by solving the energy equation, which was coupled with the heat conduction equation in the container wall. The velocity profile was obtained by solving the annular flow outside the tubes. The parameters that control the thermal behavior were identified. Several numerical simulations were performed to assess the effects of the Reynolds number on the heat transfer process of the system during the melting of a PCM.

Copyright © 2010 by ASME



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