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http://dx.doi.org/10.5762/KAIS.2020.21.10.354

A Study on the Measurement of Physical Properties for Miscellaneous Cereal Crops Sorting  

Kim, Hoon (Research Group of Consumer Safety, Korea Food Research Institute)
Lee, Hyo-Jai (Department of Bio-industry mechanical engineering, Kongju National University)
Han, Jae Woong (Department of Bio-industry mechanical engineering, Kongju National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.21, no.10, 2020 , pp. 354-360 More about this Journal
Abstract
This study examined the factors for sorting miscellaneous cereal crops using a rice-sorting device by analyzing the physical characteristics according to the moisture content. The initial moisture contents of miscellaneous cereal were 16.3, 19.8, and 16.5%, respectively. The samples were used in the experiment after drying to five levels. The width, length, and area of the samples increased with increasing moisture content except for the roundness, and all the prediction models were developed with a first-order linear equation. The bulk density of Italian millet and sorghum increased with increasing moisture content, whereas the bulk density of common millet was unaffected by the change in moisture content. The terminal velocity of the samples increased with increasing moisture content, and a first-order linear equation was used to develop the prediction models. The measured physical properties of the miscellaneous cereal crops based on the changes in the moisture content could be expressed using a first-order experimental model equation. Therefore, the rice-sorting device could be applied to the terminal velocity, but the other device applying the geometrical characteristics and bulk density was required to change the design of the process depending on the type of grain.
Keywords
Miscellaneous Cereal Crops; Moisture Content; Physical Properties; Sorting; Yield;
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