Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Theoretical analysis of power requirement of a four-row tractor-mounted radish collector

  • Khine Myat Swe (Department of Agricultural Machinery Engineering, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Mohammod Ali (Department of Agricultural Machinery Engineering, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Milon Chowdhury (Department of Agricultural Machinery Engineering, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Md Nasim Reza (Department of Agricultural Machinery Engineering, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Md Ashrafuzzaman Gulandaz (Department of Smart Agricultural Systems, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Sang-Hee Lee (National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Sun-Ok Chung (Department of Agricultural Machinery Engineering, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Soon Jung Hong (Korea National College of Agriculture and Fisheries)
  • Received : 2022.02.28
  • Accepted : 2022.09.13
  • Published : 2022.12.01
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Abstract

Development of radish collectors may enhance radish production and promote upland crop mechanization in the Republic of Korea. Theoretical analysis of power is crucial to ensure the optimum design of agricultural machinery. The aim of the present study is to analyze theoretically the power requirement of a tractor-mounted radish collector under development and to propose design guidelines. The important components of the radish collector were belt-type conveyors, three hydraulic motors, and a direct current (DC) winch motor to operate the total radish collecting process. Theoretical equations were used to calculate the hydraulic motor's power, winch motor power, and draft power at loaded and unloaded conditions. A variety of tractors (44 - 74 kW) and different soil characteristics (hard, firm, tilted, and sandy) were considered to investigate the appropriate drawbar power. Variations of the power requirement of the tractor-mounted radish collector were observed due to modifications of the design parameters. The required hydraulic power of the stem cutting conveyor, stem cutting blade, and transfer conveyor of the radish collector were 0.23 and 0.24, 0.18 and 0.19, and 0.19 and 0.22 kW under unloaded and loaded conditions, respectively. The maximum draft power was calculated as 0.89, 1.07, 1.25, and 1.61 kW at a 30° tilted angle for hard, firm, tilted, and sandy soil, respectively. The calculation showed 2.07 kW DC power was required for unfolding or folding the stem-cutting conveyor. A maximum power of 4.78 kW was prescribed for conducting the whole process of the tractor-mounted radish collector. The analysis of power introduced in this study will be helpful to select the appropriate design parameters for the successful development of a tractor-mounted radish collector.

Keywords

Acknowledgement

This work was supported by the Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, and Forestry (IPET) through the Agriculture, Food and Rural Affairs Convergence Technologies Program for Educating Creative Global Leaders, funded by the Ministry of Agriculture, Food and Rural Affairs (MAFRA) (Project No. 320001-4), Republic of Korea.

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