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Abstract
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Article Information:
Some Physical Properties of Rice Seed (Oryza sativa)
M. Jouki and N. Khazaei
Corresponding Author: M. Jouki
Submitted: November 21, 2011
Accepted: December 16, 2011
Published: July 01, 2012 |
Abstract:
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Physical and mechanical properties of rice are necessary for the design of equipment to handle,
transport, process and store the crop. These properties were evaluated as a function of moisture content of grain.
The objective of this work was to determine the physical and mechanical properties of rice. The grain was
tested for bulk density, true density, sphericity, porosity, angle of internal friction and coefficient of friction
with various materials at 12% moisture content (dry basis, db). The average length, width, thickness and the
average thousand grain weight of the rye grains were, 7.43, 2.75, 2.53 mm and 26.91 g. The static coefficient
of friction 0.4835, 0.4061 and 0.3670 for wood, galvanized iron and glass surfaces respectively. The higher
friction coefficient values were observed on wood surface and the lowest on steel surface.
Key words: Angle of repose, bulk density, coefficient of friction, physical properties, rice, ,
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Cite this Reference:
M. Jouki and N. Khazaei, . Some Physical Properties of Rice Seed (Oryza sativa). Research Journal of Applied Sciences, Engineering and Technology, (13): 1846-1849.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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