Determination of Materials for Potato Minituber Based on Discrete Element Simulation Parameters
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1.College of Engineering;2.Ministry of Agriculture Key Laboratory of Potato Biology and Biotechnology

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    Abstract:

    Physical and mechanical characteristic parameters are indispensable in the design of potato minituber related mechanical equipment planter and classifier, developing of simulation technology the contact mechanics parameters are also. Aiming at these problems, "Daxiyang", "Zhongshu No. 5" and "Huashu No. 1" were taken as research objects. The Physical mechanics parameters and contact mechanics parameters were determined with the relevant parameters required for discrete element software EDEM in potato minituber research. The parameters measured in the above experiment were input into the EDEM for simulation to obtain the rolling friction coefficient between the potato minituber. the stacking angle was used as the response value, and the credibility of the simulation results was verified by raising a round pipe slowly. The results show that compared with the actual accumulation angle of the experiment, the simulation results of different varieties of potato minituber are less than 3%, and the results are reliable.

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History
  • Received:November 21,2019
  • Revised:December 18,2019
  • Adopted:December 23,2019
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