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Population balance and computational fluid dynamics modelling of ice crystallisation in a scraped surface freezer

Lian, G, Moore, S and Heeney, L (2006) Population balance and computational fluid dynamics modelling of ice crystallisation in a scraped surface freezer Chemical Engineering Science, 61 (23). pp. 7819-7826.

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Abstract

Ice crystallisation in a scraped surface freezer is exceedingly complex and there is very limited fundamental understanding of the influences of fluid flow and heat transfer on ice crystal size, number and shape. This paper presents a computer modelling study that combines population balance method and computational fluid dynamics method. Ice crystal nucleation and growth kinetics has been described by discrete population balance equation. Algorithms for solving the coupled equations of fluid flow, heat transfer and discrete population balance of ice crystallisation have been developed and implemented into a commercial code. Demonstrated is a 2-D computer simulation of ice crystallisation in a scraped surface freezer. Although the simulation makes several assumptions including simplified fluid flow conditions, the predicted ice crystal size distribution is comparable to the experimental data. It is shown that with combined computational fluid dynamics and population balance modelling much insight into the interaction of fluid flow, heat transfer and ice crystallisation in the scraped surface freezer can be obtained. © 2006 Elsevier Ltd. All rights reserved.

Item Type: Article
Authors :
NameEmailORCID
Lian, Gg.lian@surrey.ac.ukUNSPECIFIED
Moore, SUNSPECIFIEDUNSPECIFIED
Heeney, LUNSPECIFIEDUNSPECIFIED
Date : 1 December 2006
Identification Number : 10.1016/j.ces.2006.08.075
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:05
Last Modified : 17 May 2017 15:08
URI: http://epubs.surrey.ac.uk/id/eprint/837900

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