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2010 (Vol. 2, Issue: 5)
Article Information:

Determination of Physical Properties of Some Agricultural Grains

S. Gürsoy and E. Güzel
Corresponding Author:  Songül Gürsoy 

Key words:  Aerodynamic, drag coefficient, grain, physical properties, , ,
Vol. 2 , (5): Page No: 492-498
Submitted Accepted Published
2010 June, 02 2010 July, 01 2010 August, 01
Abstract:

In this study, for the purpose of determining physical and aerodynamic properties, some varieties of wheat, barley, chickpea and lentil were used. The length, width, thickness, geometric mean diameter, equivalent sphere diam eter, sphericity, seed mass, bulk density, true density, projected area, terminal velocity, drag coefficient of each grain variety were determined. The theoretical terminal velocities of those grains were calculated by using equations corrected with the shape factor. For all the grains, theoretical terminal velocities were lower than the experimental values. The average experimental terminal velocity was found to be in the range of 7.52 to 8.14 m/s for wheat varieties, 7.04 to 7.07 m /s for barley varieties, 7.72 to 7.78 m/s for lentil varieties and 11.15 to 12.01 m/s for chickpea varieties. The drag coefficients of seeds according to projected areas in different positions and equivalent spheres were calculated. The drag coefficient in the position of the lowest projected area for all the grain varieties was higher than that in the other position.
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  Cite this Reference:
S. Gürsoy and E. Güzel, 2010. Determination of Physical Properties of Some Agricultural Grains.  Research Journal of Applied Sciences, Engineering and Technology, 2(5): Page No: 492-498.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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