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Natural convection of water-fine particle suspension in a rectangular vessel heated and cooled from opposing vertical walls (classification of the natural convection in the case of suspension with a narrow-size distribution)

  • Chaedong Kang*
  • , Masashi Okada
  • , Atsushi Hattori
  • , Kazuya Oyama
  • *Corresponding author for this work
  • Aoyama Gakuin University
  • Toshiba Corporation

Research output: Contribution to journalJournal articlepeer-review

Abstract

The water-fine SiO2 particle suspension with a narrow-size distribution (mean diameter of 2.97 mm, standard deviation of 0.03 mm) was heated in a rectangular vessel from a vertical wall and cooled from the opposing vertical wall. Temperature distribution and local particle concentration of the suspension were measured under various temperature differences between the opposing vertical walls. It was found that behaviors of natural convection in the suspension were classified into five patterns. The critical wall temperature difference that would give rise to change of the natural convection pattern decreased as the initial particle concentration decreased.

Original languageEnglish
Pages (from-to)2973-2982
Number of pages10
JournalInternational Journal of Heat and Mass Transfer
Volume44
Issue number15
DOIs
StatePublished - 2001.06.8

Keywords

  • Narrow-size distribution
  • Natural convection
  • Rectangular vessel
  • Sedimentation
  • Stratification
  • Suspension

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