Authors: K. Alagusundaram. D.S. Jayas. W.E. Muir, N.D.G. While and R.N. Sinha
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Published in: CBE Journal » CBE Journal Volume 38 (1996)

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Description: The distribution of introduced carbon dioxide (C02) was measured experimentally in three 1.42-m-diameter bins containing wheat to a depth of 1.37 m. Dry ice was used as a source of C02 gas. The effects on the distribution of C02 of the floor opening (circular near the centre, rectangular, and circular near the wall), the grain surface left open or covered with a polyvinylidene chloride (PVDC) sheet, and the mass of introduced dry ice were studied. The C02 gas moved more rapidly in the horizontal direction than in the upward vertical direction. Although there were gradients in the vertical direction, the C02 concentrations were nearly uniform in the horizontal direction in the top two-thirds of the wheat bulks. The efficiency of retention (the ratio of the mass of C02 retained in a bin to the total mass of C02 input, l1r) was, on average, 6 percentage points greater when the grain surfaces were covered with the PVDC sheet than when grain surfaces were open. The maximum observed l1r was only 55%.

Citation: K. Alagusundaram. D.S. Jayas. W.E. Muir, N.D.G. While and R.N. Sinha 1996. DISTRIBUTION OF INTRODUCED CARBON DIOXIDE THROUGH STORED WHEAT BULKS - A PILOT SCALE STUDY. Canadian Agricultural Engineering 38(2):83-89.
Volume: 38
Issue: 2
Pages -
Date: 1996
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Type: Text.Article
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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