This project will study the resistance to air flow of paddy to the pressure drop (Pressure drop) in the grain, so it can be studied and experimented by creating a series of experiments ductwork. The Bow River is the air. The wind speed is 0.4-0.6 meters per second. Put the rice into the ductwork and 0.6 meters high, between 12-14 percent of paddy interests wet. The tools used to find the pressure is North meter tilt 30 degrees to the pressure at each point
in the trial the initial trial, has designed and built the experimental results, according to the theory.
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