농업과학연구 (Korean Journal of Agricultural Science)

  • 제50권3호
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  • Pages.457-468
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  • 2023
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  • 2466-2402(pISSN)
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  • 2466-2410(eISSN)
충남대학교 농업과학연구소 (Institute of Agricultural Science, CNU)
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Development of threshing cylinder simulation model of combine harvester for high-speed harvesting operation

  • Min Jong Park (Department of Biosystems Machinery Engineering, Chungnam National University) ;
  • Hyeon Ho Jeon (Department of Smart Agriculture Systems, Chungnam National University) ;
  • Seung Yun Baek (Department of Smart Agriculture Systems, Chungnam National University) ;
  • Seung Min Baek (Department of Smart Agriculture Systems, Chungnam National University) ;
  • Su Young Yoon (Department of Smart Agriculture Systems, Chungnam National University) ;
  • Jang Young Choi (Department of Electrical Engineering, Chungnam National University) ;
  • Ryu Gap Lim (Department of Smart Agriculture, Korea Agriculture Technology Promotion Agency) ;
  • Yong Joo Kim (Department of Biosystems Machinery Engineering, Chungnam National University)
  • 투고 : 2023.06.27
  • 심사 : 2023.08.29
  • 발행 : 2023.09.01
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초록

The purpose of this study is to develop a high-speed combine harvester. The performance was evaluated by composing a dynamic simulation model of a threshing cylinder and analyzing the amount of threshed rice grain during threshing operations. The rotational speed of the threshing cylinder was set at 10 rpm intervals from 500 rpm until 540 rpm, based on the rated rotational speed of 507 rpm. The rice stem model was developed using the EDEM software using measured rice stem properties. Multibody dynamics software was utilized to model the threshing cylinder and tank comprising five sections below the threshing cylinder, and the threshing performance was evaluated by weighing the grain collected in the threshing tank during threshing simulations. The simulation results showed that section 1 and 2 threshed more grains compared to section 3 and 4. It was also found that when the threshing speed was higher, the larger number of grains were threshed. Only simulation was conducted in this study. Therefore, the validation of the simulation model is required. A comparative analysis to validate the simulation model by field experiment will be conducted in the future.

키워드

과제정보

본 결과물은 농림축산식품부의 재원으로 농림식품기술기획평가원의 기술사업화지원사업의 지원을 받아 연구되었음(817040-3, 122047-03).

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