Comparison of experimental and numerical results on flow uniformity of seeds transmitted from the studded feed roller

Mustafa Gokalp Boydas
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Mustafa Gokalp Boydas: Department of Agricultural Machinery and Technologies Engineering, Faculty of Agriculture, Atatürk University, Erzurum, Turkey

Research in Agricultural Engineering, 2024, vol. 70, issue 1, 43-52

Abstract: Studded feed rollers are widely used in seed metering units of seed drills. The flow evenness is an important indicator of the performance of studded feed rollers. With this research, the effects of studded feed rollers with different stud numbers (27, 36, and 45 studs) on flow evenness were investigated both in the laboratory and by simulation in case of using different ground speeds (1.5, 2, and 2.5 m.s-1). While the experiments were carried out on the seed drill model prepared in the laboratory, the simulation was done with the Rocky DEM software program. In the laboratory and simulation studies, it was determined that the flow evenness increased with the increase in the number of studs and the ground speed. The results obtained from the laboratory and simulation studies show parallelism with each other. However, it was seen that the results obtained in the laboratory were slightly higher than the results obtained from the simulation. With this study, it has been seen that it would be very beneficial to use the DEM model to improve the performance of the seed metering unit and to develop a new seed metering unit.

Keywords: discrete element method; seed drill; seed metering unit; stud type roller; wheat (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlrae:v:70:y:2024:i:1:id:34-2023-rae

DOI: 10.17221/34/2023-RAE

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