FLOW CHARACTERISTICS OF RICE GRAINS IN GRAVITY PIPES | ||||
| Misr Journal of Agricultural Engineering | ||||
| Article 39, Volume 34, Issue 4, October 2017, Page 2219-2232 PDF (768.13 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjae.2017.97445 | ||||
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| Authors | ||||
| S. N. Soliman1; M. O. Yehia2; A. R. Khatab2; R. A. Zhran3 | ||||
| 1Prof., Ag. Eng. Dept., Fac. of Ag. Alexandria Univ., Egypt. | ||||
| 2Rice Technology Training Center, Field Crops Res. Inst., A.R.C., Alexandria, Egypt. | ||||
| 3Dept. of Ag. Eng., Fac. of Ag., Alexandria Univ., Egypt | ||||
| Abstract | ||||
| To study the parameters affecting the fluidity of rice by gravity pipe system in order to improve the design of the gravity pipes in an effective and economical way. Two paddy rice Sakha 103 as a short variety, and Jasmine local aromatic as a long variety was selected for this study. The rice samples were prepared for gravity flow experiments by mechanically cleaned. The fresh and clean paddy samples were naturally drying until 14 (M.C.w.b. %).Physical characteristic tests of paddy rice grains and its products (brown and white), were conducted including grains dimensions, aspect ratio, grains volume, surface area, equivalent diameter, sphericity, weight of 1000 grains, bulk density, particle density, porosity, grain hardness, angle of repose and static coefficient of friction on galvanized sheet.Flowability experiments of rice grains were conducted in three main groups, first throughout orifice, second through orifice and elbows and third throughout orifice, elbows and pipe. | ||||
| Keywords | ||||
| Rice; Physical characteristic; Gravity; Pipes; Inclination; Orifice; Elbows | ||||
| References | ||||
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