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OWC 파력발전장치의 공기실 성능예측에 대한 수치적인 연구Numerical Prediction of Chamber Performance for OWC Wave Energy Converter
- Other Titles
- Numerical Prediction of Chamber Performance for OWC Wave Energy Converter
- Issue Date
- 2010
- Publisher
- 한국해양환경·에너지학회
- Keywords
- Wave energy converter; Oscillating water column; Operating performance; Numerical wave tank; Nozzle ratio; Wave energy converter; Oscillating water column; Operating performance; Numerical wave tank; Nozzle ratio; 파력발전변환장치; 진동수주; 작동성능; 수치조파수조; 노즐 비율
- Citation
- 한국해양환경？에너지학회지, v.13, no.2, pp 91 - 98
- Pages
- 8
- Journal Title
- 한국해양환경？에너지학회지
- Volume
- 13
- Number
- 2
- Start Page
- 91
- End Page
- 98
- ISSN
- 2288-0089
2288-081X
- Abstract
- The water elevation inside the air chamber and bi-directional air flow in the duct of Oscillating Water Column wave energy converter is one of the most important factors to evaluate the operating performance. The numerical wave tank based on the commercial software Fluent 6.2 in the present paper is employed to generate the incident waves. The numerical wave tank consists of the continuity equations, the Reynolds-averaged Navier-Stokes equations and the two-phase VOF function. The oscillating amplitude of water column in the chamber and bi-directional air flow in the duct installed on the top of the chamber are calculated, and compared with experimental data to verify the validation of the present NWT. The nozzle effects of the chamber-duct system on the relative amplitudes of the inner free water surface and air flow rate in the duct are investigated.
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