Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Development of Stand-alone Performance Test System for an Intake-diffuser of the Waterjet Propulsion

Waterjet 추진장치의 흡입구유도관 단독성능 시험기법 개발

  • Ahn Jong-Woo (Korea Research Institute of Ships & Ocean Engineering / KORDI) ;
  • Kim Ki-Sup (Korea Research Institute of Ships & Ocean Engineering / KORDI) ;
  • Park Young-Ha (Korea Research Institute of Ships & Ocean Engineering / KORDI) ;
  • Kim Kyung-Youl (Korea Research Institute of Ships & Ocean Engineering / KORDI)
  • 안종우 (한국해양연구원 해양시스템안전연구소) ;
  • 김기섭 (한국해양연구원 해양시스템안전연구소) ;
  • 박영하 (한국해양연구원 해양시스템안전연구소) ;
  • 김경열 (한국해양연구원 해양시스템안전연구소)
  • Published : 2004.12.01
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Abstract

In order to investigate efficiency and flowfield charateristics of the intake-diffuser for the ship waterjet propulsion, new experimental verification technology was set up in the cavitation tunnel. 1-hole and 5-hole pilot tubes were designed and manufactured to measure the pressure and velocity distributions at intake-diffuser entrance and impeller inlet. The calibration of the 5-hole pilot tubes is conducted at the cavitation tunnel The cavitation inception occurs at the intake lip, and the occurrence position depends on IVR (Inlet Velocity Ratio) condition. The present experimental device will be applied sufficiently for the development of the design and performance improvement technologies.

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References

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