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Numerical simulation of ozone concentration profile and flow characteristics in paddy bulks

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Title Numerical simulation of ozone concentration profile and flow characteristics in paddy bulks
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Creator R. Pandiselvam
 
Subject Insect Control
Ozone fumigation
Paddy
 
Description Not Available
BACKGROUND: Ozone has shown the potential to control stored product insect pests. The high reactivity of ozone leads to
special problems when it passes though an organic medium such as stored grains. Thus, there is a need for a simulation study
to understand the concentration profile and flow characteristics of ozone in stored paddy bulks as a function of time.
RESULTS: Simulation of ozone concentration through the paddy grain bulks was explained by applying the principle of the law of conservation along with a continuity equation. A higher ozone concentration value was observed at regions near the ozone diffuser whereas a lower concentration value was observed at regions away from the ozone diffuser. The relative error between the experimental and predicted ozone concentration values for the entire bin geometry was less than 42.8%.
CONCLUSION: The simulationmodel described a non-linear change of ozone concentration in stored paddy bulks. Results of this study provide a valuable source for estimating the parameters needed for effectively designing a storage bin for fumigation of paddy grains in a commercial scale continuous-flow ozone fumigation system.
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Date 2018-11-24T07:50:18Z
2018-11-24T07:50:18Z
2017-01-09
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/13051
 
Language English
 
Relation Not Available;
 
Publisher Wiley