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Some physical properties of lentil seeds
Scopus
Toplam 209 atıf DOI
Several physical properties of lentil seed were evaluated as a function of moisture content. The average diameter, thickness, unit mass and volume of seed were 6·64 mm, 2·65 mm, 0·070 g and 49·08 mm3 respectively at 6·5% m.c.d.b. Studies on rewetted seed showed that as moisture content increased from 6·5 to 32·6% d.b., bulk density decreased from 1190 to 935 kg/m3, porosity increased from 27·4 to 32·0%, projected area increased from 56 to 82 mm2 and terminal velocity increased from 10·95 to 12·06 m/s. The static and dynamic coefficients of friction of lentil seed against galvanized sheet metal, plywood and rubber surfaces increased with moisture content in the range from 6·5 to 32·6% d.b. The largest coefficient of friction was against a rubber surface, ranging from 0·374 to 0·532. The effect of moisture content was as great as or greater than the difference between the surfaces. © 1996 Silsoe Research Institute.
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Determination of some physical and mechanical properties of styrax (Styrax Officinalis L.) grown in natural environment
Scopus
Havuzumuzda 3 atıf almış
The physical parameters of styrax seeds play an essential role in designing equipment to handle, harvest, process, and store the seeds. In this study, we determined various physical properties (dimension, geometric mean diameter, sphericity, bulk density, true density, volume, hardness, and porosity) of styrax seeds. The values of thousand-grain weight, geometric mean diameter, sphericity, projected area, bulk density, and true density were 427.17 g, 9.54 mm, 28.86 mm, 87.75%, 85.98 mm2, 579.6 kg m- 3, and 1015.9 kg m- 3, respectively. Knowing the physical properties of the equipment used in plantation, harvesting, transportation, storage, and processing of styrax seeds is very important. Here, we studied the physical and mechanical properties of styrax, such as length, width, thickness, sphericity degree, projected area, porosity, terminal velocity, and rupture strength, and investigated the relationship between them. These features are essential for projecting agricultural machines; for example, terminal velocity projects the fan of the harvester. The measurements were performed using the biological material testing equipment, image processing techniques, and terminal velocity measuring devices.
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Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey