Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Discharge Uniformity and Performance Assessment of Drip Irrigation System

점적관개 시설의 관개균일도 및 성능 평가

  • 남원호 (서울대학교 생태조경.지역시스템공학부) ;
  • 최진용 (서울대학교 조경.지역시스템공학부, 농업생명과학연구원) ;
  • 최순군 (서울대학교 생태조경.지역시스템공학부) ;
  • 홍은미 (서울대학교 생태조경.지역시스템공학부) ;
  • 전상호 (농촌진흥청 국립농업과학원 토양비료관리과) ;
  • 허승오 (농촌진흥청 연구정책과)
  • Received : 2012.04.23
  • Accepted : 2012.05.25
  • Published : 2012.07.31
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Abstract

Drip irrigation is a affordable irrigation under structured cultivation. Drip irrigation system with high uniformity can be achieved through effective design, maintenance and management of irrigation systems. Nevertheless the design guidelines have not been established for the drip irrigation system products in domestic and imported considering cultivation method and greenhouse environment in Korea. The objectives of this study were to evaluate the performance of drip irrigation system with uniformity through an experiment. The experiment was conducted to study with nine different types of emitters produced in domestic and imported. Hazen-Williams coefficients were also estimated for the drip emitter through hydraulic simulation for design use. It was found that approximately 91.5 % for 10 cm emitter spacing and 96.2 % for 30 cm emitter spacing of statistical uniformity were observed in respectively. Average emission uniformity was decreased as the reduction of emitter spacing. The results would be used in the drip irrigation system design and guideline construction.

Keywords

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