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《China Powder Science and Technology》 2017-04
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EDEM simulation research on effect of vibration characteristic on particle mixing uniformity

LIU Qiuzu;MA Lin;DONG Kaikai;CHENG Wenhao;College of Mechanical Engineering , Taiyuan University of Technology;  
By applying EDEM software in an airtight container under different shape of particles in the vibration state of mixing uniformity, the numerical simulation and analysis of the vibration amplitude and frequency influence on powder mixed uniformity standard deviation were done, and the orthogonal test design experiment and variance method was used to analyze the results. It is found that the standard deviation as the vibration time for all showed a decreasing change rule, after the 6 s standard deviation present decrease with the increase of vibration frequency of the change rule, after the 4 s standard deviation increases with the increase of vibration amplitude and present the change law of vibration frequency calculated by orthogonal had the greatest influence on particle mixing uniformity, followed by the amplitude. The comprehensive measure is obtained that 90 Hz,2 mm, which can improve the maximum fission hybrid degre.Through dynamic analysis of the particle movement speed,verified the accuracy of the results of orthogona.
【Fund】: 山西省自然科学基金项目 编号:20140321014-02;; 太原理工大学校基金 编号:1205-04020202
【CateGory Index】: O347.7
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