The Effect of Moisture Content on Physical Properties of Berberis
محل انتشار: دوفصلنامه ماشین های کشاورزی، دوره: 1، شماره: 1
سال انتشار: 1390
نوع سند: مقاله ژورنالی
زبان: فارسی
مشاهده: 298
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شناسه ملی سند علمی:
JR_JAM-1-1_008
تاریخ نمایه سازی: 2 آبان 1396
چکیده مقاله:
In order to enhance the mechanization level of harvest and post-harvest operations of Berberis fruit, as one of the major and local crops of south Khorasan province, some of its physical properties were investigated. Different dimensions, geometrical mean diameter, sphericity, surface area, mass of thousand fruit, true density, bulk density, porosity, static coefficient of friction and the repose angles were determined. The properties and the effect of moisture content on them were studied by the completely randomized designs statistical method. Analysis of data indicated that the change of moisture content caused significant difference (P<0.01) for the total studied parameters except static coefficient of friction on polyethylene and wood materials. Length, width, thickness, geometrical mean diameter, surface area, sphericity, mass of thousand fruit and bulk density decreased with the decrease in moisture content and true density, porosity, repose angles and static coefficient of friction on all studied materials except wood and polyethylene increased with decrease in moisture content.
کلیدواژه ها:
نویسندگان
E Velayati
Student Department of Agriculture Machinery, Faculty of Agriculture, Ferdowsi University of Mashhad, Respectively
B Emadi
Assistant Professors, Department of Agriculture Machinery, Faculty of Agriculture, Ferdowsi University of Mashhad, Respectively
M Khojastehpour
Assistant Professors, Department of Agriculture Machinery, Faculty of Agriculture, Ferdowsi University of Mashhad, Respectively
M.H Saidirad
Assistant Professor, Khorasan Agricultural and Natural Resources Research Center, Mashhad.