Study of physical properties Mechanical properties and aerodynamic properties of paddy A case study of rice, rice Berry Forget sticky rice husband Glutinous rice is sanctuary for birds. Glutinous rice, glutinous rice, red beans, and warlord 2. experiments with variable contains. Angular geometric diameter, weight, seed moisture (10, 11, 12, 13, 14), density – a sphere a coefficient of friction surface moisture (plastic, stainless steel and zinc Lambert sat) and wind speed, moisture from the final results, the experiment found that the size (width a.(B) in length), thickness (c) is in the range of 2.50 – 3.14, 9.87 – 11.48 and 1.93 mm respectively – 2.16. The value of the average diameter, angular geometry is in the range of 18.63 – 22.58 mm, a sphere is in the range of 1.62 – 2.19 mm and humidity in the range of 10 to 14 percent found that five of the samples with grain weight 1 seed moisture (T5) by adding up the most are located in the examples.Band – 0.083 mg of 0.103 (T1) with minimal added value from 0.097 mg 0.077 – but on the other hand, found that the density is increased. When the humidity increases (T4) total density increased most from 0.565 – 0.631 g/mm. (T1) density minimum included reduced reduced from 0.562 – 0.542 g/mm. The last value of wind speed increased the most (T1) from 0.694-0.668 m/s (T3) with minimal increase value from 0.314 – 0.331 m/s. Experiments with friction coefficient humidity 10 – 14 percent, found that when the grain moisture at different levels come and friction coefficients friction angles with different material surfaces. 4 types of plate steel plate, stainless plate, and galvanized sheets. It found that when the humidity increases coefficient of friction is increased by zinc surfaces have a coefficient of friction for most. Increased from 0.53 – 0.69, and there is friction angles – and ground, 25.73 30.94 degree stainless steel friction coefficient is least 0.36 – 0.52 and friction is 16.45 – experimenting with 27.56 degree processing after harvest, and particularly like to use them as variable data to assist in the design of sorting machine for grain crust. Drying machines, mills, etc.
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