Aeration simulation of stored grain under variable air ambient conditions

A simulation model for stored grain aeration was implemented and compared with experimental data. The software, called AERO, is capable of simulating the aeration process in stored grain, with hot spots, using time variant ambient data. Some modifications to the original model proposed by Thorpe [Th...

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Bibliographic Details
Published in:Postharvest biology and technology 2006-10, Vol.42 (1), p.115-120
Main Authors: de Carvalho Lopes, Daniela, Martins, José Helvecio, de Castro Melo, Evandro, de Barros Monteiro, Paulo Marcos
Format: Article
Language:English
Subjects:
Aeration
ambient temperature
Biological and medical sciences
Cereal and baking product industries
computer software
data analysis
Food industries
food storage
Fruit and vegetable industries
Fundamental and applied biological sciences. Psychology
Grain
grains
model validation
silos
Simulation
simulation models
temperature
temporal variation
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Summary:A simulation model for stored grain aeration was implemented and compared with experimental data. The software, called AERO, is capable of simulating the aeration process in stored grain, with hot spots, using time variant ambient data. Some modifications to the original model proposed by Thorpe [Thorpe, G.R., 1997. Modelling ecosystems in ventilated conical bottomed farm grain silos. Ecol. Modell. 94, 255–286] have been presented. The modified model is simpler, less computer-intensive and maintains the accuracy of the results. Comparing the model with data collected between January and August 2005, it was observed that the simulation results agreed well with real conditions, indicating that this software can reliably predict the aeration process for different world regions.
ISSN:0925-5214
1873-2356
DOI:10.1016/j.postharvbio.2006.05.007