Title
Modeling of the distribution and adsorption of 1-methylcyclopropene (1-mcp) in cool rooms for apple storage Modeling of the distribution and adsorption of 1-methylcyclopropene (1-mcp) in cool rooms for apple storage
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
000310485800248
Carrier
E
Target language
English (eng)
Abstract
The effectiveness of 1-MCP treatments is partly determined by the uniformity of the distribution of the active substance over the whole storage area. The air circulation in the cool room must ensure the distribution of the active substance in the cool room and on the fruit. In this paper a computational fluid dynamic (CFD) model of the distribution of 1-MCP in a loaded 500 L container and 42.8 m(3) pilot cool room are presented. Respectively, 80 kg and 400 kg Jonagold apples at 1 degrees C and a dose of 1 mu L L-1 and 0.625 mu L L-1 were used to collect validation data for container and cool room models. The container model takes detailed representation of apple fruits stacked in HDPE plastic bins by using discrete element (DE) method. In the cool room the fruit mass was assumed as a porous media. A convection-diffusion-adsorption model for 1-MCP that was previously validated was applied in both cases. Model predictions agreed satisfactorily with experimental results. No significant spatial 1-MCP concentration gradient was observed in both cases.
E-info
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