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Relative Velocity Effects on Cotton Moisture Transfer Rates

G. L. Barker, J. W. Laird and M. G. Pelletier


Moisture control during the harvesting, storage, and processing phases of cotton production is essential for producing a quality product. We are attempting to quantify the moisture transfer rates for cotton and its component parts during the drying process. We measured moisture transfer rates in cotton lint, cotton burs, and gin run cottonseed at 104 °F and cotton lint at 176 °F using humid and dry air at relative velocities varying from 10 to 100 ft/min. As relative velocity increased for burs in humid air and on cotton lint at 176 °F, the moisture transfer rates increased. However, all other test conditions showed little or no response to relative velocity. Increasing lint density was found to decrease moisture transfer rates.

Reprinted from Proceedings of the 1999 Beltwide Cotton Conferences pp. 1423 - 1427
©National Cotton Council, Memphis TN

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Document last modified Monday, Jun 21 1999