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Modelling coating quality in fluidised bed coating: Spray sub-model

Authors
Publisher
Elsevier Ltd
Publication Date
Volume
106
Issue
3
Identifiers
DOI: 10.1016/j.jfoodeng.2011.05.013
Keywords
  • Fluidised Bed
  • Modelling
  • Coating
  • Spray

Abstract

Abstract Fluidised beds are widely used in industrial applications for the coating of particles. Little research has been performed in developing a model that is able to predict the quality of the coating process in terms of the coating thickness and uniformity and the occurrence of unwanted side-effects, including agglomeration, attrition and spray loss. The quality of the coating process in a fluidised bed is largely determined by the spray characteristics and the particle motion. As a first step in the development of a new model for the coating process in a top-spray fluidised bed, an accurate spray sub-model that describes the movement and the heat and mass transfers of the droplets in the coating process was created and experimentally validated.

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