RICE CHARACTERISTICS EFFECT ON PROCESSING | ||||
| Misr Journal of Agricultural Engineering | ||||
| Article 15, Volume 29, Issue 1, January 2012, Page 273-288 PDF (696.63 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjae.2012.102603 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| S.N. Soliman1; M.E. Yehia2 | ||||
| 1Prof., Agric. Eng. Dept., Faculty of Agricultural. Alexandria University, Egypt. | ||||
| 2Res, Rice Technology Training Center, Field Crops Research Institute, A.R.C., Alexandria, Egypt. | ||||
| Abstract | ||||
| Egyptian paddy rice Sakha 105 as a short variety and Jasmine local aromatic as a long variety were used to discuss the physical and engineering properties of agricultural grains. This is to relate the importance of these properties in storage, handling and processing equipment. In this study, it is possible to draw attention of riceindustry producersin Egypt on the need to select the most appropriate transactions according to rice varieties. Some physical and mechanical properties were evaluated at moisture content around13% (wet basis) for the two selected varieties. The average grain length, width and thickness were measured. The equivalent diameter and the weight of 1000 grains were also determined. The kernels sphericity was calculated. The aspect ratio which is used as an indicator of a tendency toward an oblong shape was founded. The surface areaand the volume were determined. The particle density, bulk density, porosity and angle of reposewere measured.The measured values of static shear stress and hardness of a single kernel was determined. Nonlinear model for describing the mass of paddy rice was investigated, too. In this regard mass was estimated with aspect ratio of single variable of kernel dimensions with a very high coefficient of determination for each of short grains (Sakha 105) and for long grains (Jasmine Egyptian) varieties. | ||||
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