Title
Cfd modelling to study the distribution of fungicide particles from thermonebulisation fogging systems during postharvest storage of fruit Cfd modelling to study the distribution of fungicide particles from thermonebulisation fogging systems during postharvest storage of fruit
Author
Faculty/Department
Faculty of Sciences. Mathematics and Computer Science
Publication type
bookPart
Publication
Paris , [*]
Subject
Physics
Source (book)
23rd International-Institute-of-Refrigeration(IIR) International Congress of Refrigeration, August 20-26, 2011, Prague, Czech Republic
ISBN - Hoofdstuk
978-2-913149-88-5
ISI
000310485801005
Carrier
E
Target language
English (eng)
Abstract
Thermonebulisation fogging systems for postharvest fungicide treatments of fruits is a recent development. To investigate the distribution of fungicide particles from thermonebulisation fogging systems, CFD based multiscale model was used. At the smallest scale, the flow and deposition inside loaded individual boxes was predicted using a combined discrete element (DE) and CFD modelling. At larger scale, a loaded cool room model that predicts the fate of fungicide particles was developed. The modelling was based on an Eulerian-Lagrangian multiphase flow model. The effect of air ventilation rate and ventilation interval on deposition of fungicide was investigated. Within individual boxes, the highest deposition was observed on the top product and the lowest on the bottom product. The highest fungicide deposition was observed during fogging without ventilation while the lowest deposition corresponded to fogging with the highest ventilation rate. Good agreement was found between measured and predicted results of deposition of fungicide particles.
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