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Waterjet 추진장치의 흡입구유도관 단독성능 시험기법 개발Development of Stand-alone Performance Test Systemfor an Intake-diffuser of the Waterjet Propulsion
- Other Titles
- Development of Stand-alone Performance Test Systemfor an Intake-diffuser of the Waterjet Propulsion
- Issue Date
- 2004
- Publisher
- 대한조선학회
- Keywords
- Waterjet propulsion(물제트 추진); Intake-diffuser(흡입구유도관); IVR(입구유속비); Intake-diffuser efficiency(유도관 효율); Lip cavitation(Lip 캐비테이션).
- Citation
- 대한조선학회 논문집, v.41, no.6, pp 15 - 23
- Pages
- 9
- Journal Title
- 대한조선학회 논문집
- Volume
- 41
- Number
- 6
- Start Page
- 15
- End Page
- 23
- ISSN
- 1225-1143
- 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 pitot 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 pitot 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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Collections - 선박연구본부 > Naval Ship Engineering Research Center > 1. Journal Articles
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