Defrost behavior of frost layer developed on two cooling pipes by sublimation phenomenon

Hideo Inaba, Akihiko Horibe, Yoshiaki Kawakami

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The present paper has dealt with a new defrost measure by using sublimation phenomenon which occurs below the triple point of water (273.16 K, 610.5Pa). The present experimental study has focused to examine the mass transfer of annular frost layers developed on two cooling horizonal pipes set in a vertical direction which was exposed to an impinging jet air flow. The morphology of the frost layer during sublimating was observed by using a CCD camera. The nondimensional correlation equations of mass transfer were derived as a function of various parameters.

Original languageEnglish
Number of pages1
JournalNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume66
Issue number651
DOIs
Publication statusPublished - Nov 2000

Keywords

  • Defrost
  • Frost layer
  • Impinging jet flow
  • Mass transfer
  • Sublimation

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanical Engineering

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