A model of the defrost process

Research output: Chapter in Book/Report/Conference proceedingChapter

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.

Original languageEnglish (US)
Title of host publicationSpringerBriefs in Applied Sciences and Technology
PublisherSpringer Verlag
Pages23-39
Number of pages17
DOIs
StatePublished - 2019

Publication series

NameSpringerBriefs in Applied Sciences and Technology
ISSN (Print)2191-530X
ISSN (Electronic)2191-5318

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