Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Development of a Small Floating Outboard Type Water-Jet Propulsion System

부유식 일체형 소형워터제트 추진시스템 개발

  • Jeong, Jae Hoon (Graduate School, Gyeongnam National University of Science and Technology) ;
  • Yi, Chung Seob (Industry-Academic corporation foundation, Gyeognam National University of Science and Technology) ;
  • Lee, Chi Woo (Department of Automotive Engineering, Gyeongnam National University of Science and Technology)
  • Received : 2015.06.24
  • Accepted : 2016.01.22
  • Published : 2016.02.15
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Abstract

This paper presents the development of a floating outboard type of compact water jet propulsion system. The planning case of the water jet system is developed by performing precision processing after manufacturing FRP (Fiber Reinforced Plastics) from plug mold casting. This system is composed of an intake, impeller, diffuser, reverse bucket, and main shaft. In addition, a rebuilt engine was applied through marine engineering. The water jet propulsion system performance was verified to discharge a maximum $0.29m^3/s$ of flow rate and 37 m/s of flow velocity in a test pool on land. A field test was performed by installing the water jet propulsion device on board a ship that was tested off the coast of Korea. The weight of the hull, engine, and other equipment was approximately 1.2 tons, and the sailing speed was a maximum 22 knots at 3,600 rpm.

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References

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