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Physical properties of chick pea seeds
Scopus
Toplam 244 atıf DOI
Several physical properties of chick pea seeds were evaluated as functions of moisture content. The average length, width, thickness, the geometric mean diameter, unit mass and volume of seed were 9.342 mm, 7.722 mm, 7.752 mm, 8.358 mm, 0.324 g and 0.238 cm3, respectively, at a moisture content of 5.2% d.b. Studies on rewetted seed showed that as moisture content increased from 5.2 to 16.5% d.b., bulk and kernel density decreased from 800 to 741.4 kg m-3 and from 1428 to 1368 kg m-3, respectively. With increasing moisture content, porosity increased from 43.97 to 45.8%, projected area from 1.16 to 1.42 cm2, angle of repose from 24.5 to 27.9° and terminal velocity from 8.3 to 9.8 m s-1. The rupture strength decreased as the moisture content increased and the highest rupture strength occurred while loading along the Z-axis. The static and dynamic coefficients of friction of chick pea seed against galvanized sheet metal, plywood and rubber surfaces increased with moisture content in the range from 5.2 to 16.5% d.b. The highest coefficient of friction was against a rubber surface, ranging from 0.44 to 0.76. © 2002 Silsoe Research Institute. Published by Elsevier Science Ltd. All rights reserved.
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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.
Atıf Yapan Makale Bilgileri
Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey