Enhance heat transfer for PCM melting in triplex tube with internal-external fins

Sohif Mat, Abduljalil A. Al-Abidi, Kamaruzzaman Sopian, M. Y. Sulaiman, Abdulrahman Th Mohammad

Research output: Contribution to journalArticle

105 Citations (Scopus)

Abstract

Thermal energy storage is critical for eliminating the discrepancy between energy supply and demand as well as for improving the efficiency of solar energy systems. This study numerically investigates the melting process in a triplex-tube heat exchanger with phase-change material (PCM) RT82. A two-dimensional numerical model is developed using the Fluent 6.3.26 software program. Three heating methods were used to melt the PCM from the inside tube, outside tube, and both tubes. Internal, external, and internal-external fin enhancement techniques were studied to improve the heat transfer between the PCM and heat transfer fluid. Enhancement techniques were compared with the inside tube heating, outside tube heating, both tube heating as well as the finned and internally finned tube. The effects of fin length on the enhancement techniques were investigated. Using a triplex-tube heat exchanger with internal-external fins, predicted results indicated that melting time is reduced to 43.3% in the triplex tube without fins. Experiments were conducted to validate the proposed model. Simulated results correspond with the experimental results.

Original languageEnglish
Pages (from-to)223-236
Number of pages14
JournalEnergy Conversion and Management
Volume74
DOIs
Publication statusPublished - 2013

Fingerprint

Phase change materials
Melting
Heat transfer
Heating
Tubes (components)
Fins (heat exchange)
Thermal energy
Energy storage
Solar energy
Numerical models
Fluids
Experiments

Keywords

  • Heat transfer enhancement
  • Melting
  • PCM
  • Triplex tube heat exchanger

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology
  • Nuclear Energy and Engineering
  • Renewable Energy, Sustainability and the Environment

Cite this

Enhance heat transfer for PCM melting in triplex tube with internal-external fins. / Mat, Sohif; Al-Abidi, Abduljalil A.; Sopian, Kamaruzzaman; Sulaiman, M. Y.; Mohammad, Abdulrahman Th.

In: Energy Conversion and Management, Vol. 74, 2013, p. 223-236.

Research output: Contribution to journalArticle

Mat, Sohif ; Al-Abidi, Abduljalil A. ; Sopian, Kamaruzzaman ; Sulaiman, M. Y. ; Mohammad, Abdulrahman Th. / Enhance heat transfer for PCM melting in triplex tube with internal-external fins. In: Energy Conversion and Management. 2013 ; Vol. 74. pp. 223-236.
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AU - Mohammad, Abdulrahman Th

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