Affiliation:
1. School of Mechanical Engineering, Jiangsu Ocean University, Lianyungang 222005 / China
Abstract
In order to improve the adaptability of the fertilizer point-applied device to the working speed, the key components of the high-speed fertilizer point-applied device were designed and simulated by numerical calculation in this study. The effects of working speed, discharging height and discharging mass on the distribution length of fertilizer particles were analyzed by a one-factor test, and a suitable range of factors was determined. The Box-Behnken test was conducted to investigate the interaction effect of the three factors on the distribution length of fertilizer particles, and the quadratic regression was fitted to the test results to establish the regression equations of working speed, discharging height and discharging mass on the distribution length of fertilizer particles, and the optimal combinations of the parameters of working speed, discharging height and discharging mass were obtained by solving the equations. Finally, the reliability and authenticity of the simulation analysis were verified by bench test.
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