Finite-difference analysis of growth and decay of a freeze coat on a continuous moving cylinder

F. B. Cheung, S. W. Cha

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18 Scopus citations


The process of freeze coating of a polymeric melt on an axially moving continuous cylinder is studied numerically by a finite-difference method, taking into account heat convection from the melt to the freeze coat and spatial variation of the cylinder temperature. The solid-liquid interface location is immobilized in the finite-difference analysis of the problem by transforming the system of equations governing the behavior of the freeze coat and the cylinder temperature into a dimensionless space. Various controlling parameters of the system are identified and their effects on the growth-and-decay behavior of the freeze coat are determined. Also determined are the maximum freeze-coat thickness and the corresponding axial location, based on which criteria for selection of the optimum freeze-coating operation conditions are established. The accuracy of the computational scheme is demonstrated by comparing the numerical results with the similarity solutions that are valid at small dimensionless axial locations.

Original languageEnglish (US)
Pages (from-to)41-56
Number of pages16
JournalNumerical Heat Transfer
Issue number1
StatePublished - Jul 1987

All Science Journal Classification (ASJC) codes

  • General Engineering


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