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Erschienen in:

2019 | OriginalPaper | Buchkapitel

3. A Model of the Defrost Process

verfasst von : Yang Liu, Francis A. Kulacki

Erschienen in: The Effect of Surface Wettability on the Defrost Process

Verlag: Springer International Publishing

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Abstract

A model of frost melting is developed from fundamental analysis of the heat and mass transfer. The melting model envisions three stages as the frosted surface is heated: absorption of the melt water by diffusion, accumulation of the melt water, and draining of the melt water along the surface. The three stages of melting are connected physically, but the analysis of each involves a particular set of assumptions and use of a wide range parameters and physical laws. Surface wettability enters the analysis as a factor in the draining stage. The possibility of frost slumping is expressed through a criterion based on a static force balance in which contact angel is an implicit factor.

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Vorheriges Kapitel Prior Research

Nächstes Kapitel Solution Methods

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The contact angles formed by expanding and contracting the liquids are referred to as the advancing contact angle and the receding contact angle respectively.

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Titel: A Model of the Defrost Process
verfasst von: Yang Liu
Francis A. Kulacki
Verlag: Springer International Publishing
Buch: The Effect of Surface Wettability on the Defrost Process
Print ISBN: 978-3-030-02615-8

Electronic ISBN: 978-3-030-02616-5

Copyright-Jahr: 2019
DOI: https://doi.org/10.1007/978-3-030-02616-5_3

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