Journal of Biosystems Engineering

Korean Society for Agricultural Machinery (한국농업기계학회)
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Investigation of Centrifugal Rice Seeder for Unmanned Helicopter

무인헬기 부착용 원심식 볍씨 살포 장치에 관한 연구

  • Kang, Tae Gyoung (Dept. of Agricultural Engineering, National Academy of Agricultural Science, Rural Development Administration) ;
  • Kim, Seung Hee (Dept. of Agricultural Engineering, National Academy of Agricultural Science, Rural Development Administration) ;
  • Jun, Hyun Jong (Dept. of Agricultural Engineering, National Academy of Agricultural Science, Rural Development Administration) ;
  • Choi, Duk Kyu (Dept. of Agricultural Engineering, National Academy of Agricultural Science, Rural Development Administration) ;
  • Lee, Chae Sik (Dept. of Agricultural Engineering, National Academy of Agricultural Science, Rural Development Administration) ;
  • Choi, Yong (Dept. of Agricultural Engineering, National Academy of Agricultural Science, Rural Development Administration) ;
  • Baek, Nam Hyun (Dept. of Rice & Winter Cereal Crop, National Institute of Crop Science, Rural Development Administration)
  • 강태경 (농촌진흥청 국립농업과학원 농업공학부) ;
  • 김승희 (농촌진흥청 국립농업과학원 농업공학부) ;
  • 전현종 (농촌진흥청 국립농업과학원 농업공학부) ;
  • 최덕규 (농촌진흥청 국립농업과학원 농업공학부) ;
  • 이채식 (농촌진흥청 국립농업과학원 농업공학부) ;
  • 최용 (농촌진흥청 국립농업과학원 농업공학부) ;
  • 백남현 (농촌진흥청 국립식량과학원 벼맥류부)
  • Received : 2012.08.17
  • Accepted : 2012.12.03
  • Published : 2012.12.31
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Abstract

Purpose: While an unmanned helicopter has been extensively used for spraying chemicals on agricultural crops, its low utilization (two months per year from July to August) has recently become an issue. This study aimed to increase the utilization of the unmanned helicopter. The centrifugal rice seeder, a mounting device for rice seeding for unmanned helicopter was developed and assessed its performance. Methods: The concept of the centrifugal spraying device was to obtain design criteria for centrifugal distribution. Four types of blade shapes namely straight, curved, straight wing and curved wing were developed and used. The rotational speed of the blades was tested at 1,000, 1,200 and 1,400 rpm. Results: The blade shapes, rotational blade speed and angle of trajectory were theoretically analyzed and results were validated with a series of laboratory experiments. Conclusions: The curved wing blades provided the distribution uniformity (DU) at 1,200rpm of rotational speed and 60 degree of seed drop point. The spray uniformity of 4.2% was also achieved.

Keywords

References

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