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

Hideo Inaba; Akihiko Horibe; Yoshiaki Kawakami

doi:10.1299/kikaib.66.651_2964

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

Hideo Inaba, Akihiko Horibe, Yoshiaki Kawakami

Research output: Contribution to journal › Article › peer-review

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 language	English
Number of pages	1
Journal	Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume	66
Issue number	651
DOIs	https://doi.org/10.1299/kikaib.66.651_2964
Publication status	Published - 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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10.1299/kikaib.66.651_2964

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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.",

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AU - Horibe, Akihiko

AU - Kawakami, Yoshiaki

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Y1 - 2000/11

N2 - 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.

AB - 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.

KW - Defrost

KW - Frost layer

KW - Impinging jet flow

KW - Mass transfer

KW - Sublimation

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

Abstract

Keywords

ASJC Scopus subject areas

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