Effects of wall properties on temperature-control effectiveness of heating section in a thermosiphon containing PCM suspensions

Ching Jenq Ho, Shih Ming Lin, Rong Horng Chen, Chi Ming Lai

Research output: Contribution to journalArticlepeer-review

Abstract

This article considers the problem of natural heat transfer in a rectangular thermosiphon to investigate the effects of wall properties (thickness and thermal conductivity) on the heat-transfer characteristics of phase-change-material (PCM) suspension flow. The following parameter ranges were investigated: dimensionless loop-wall thickness, 0-0.5; wall-to-fluid thermal-conductivity ratio, 0.1-100; modified Rayleigh number, 1010-1011; and volumetric fraction of PCM particles, 0-10%. From numerical simulations via the finite-volume approach, it was found that using a pipe with appropriate wall thickness and thermal conductivity containing PCM suspensions for the heating section of a rectangular thermosiphon can effectively control the maximal temperature.

Original languageEnglish
Article number6211
JournalApplied Sciences (Switzerland)
Volume10
Issue number18
DOIs
Publication statusPublished - 2020 Sep

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Instrumentation
  • Engineering(all)
  • Process Chemistry and Technology
  • Computer Science Applications
  • Fluid Flow and Transfer Processes

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