부유식 풍력-파력발전 플랫폼과 탑재된 파력발전기와의 단방향 연성 운동 해석
One-way Coupled Response Analysis between Floating Wind-Wave Hybrid Platform and Wave Energy Converters
2
조회
0
다운로드
2
인용
0
참고문헌
키워드
초록
In this study, a six degree-of-freedom motion analysis of a wind-wave hybrid platform equipped with numerous wave energy converters (WECs) was carried out. To examine the effect of the WECs on the platform, an analysis of one-way coupling was carried out, which only considered the power take-off (PTO) damping of the static WECs on the platform. The equation of motion of a floating platform with mooring lines in the time domain was established, and the responses of the one-way coupled platform were then compared with the case of a platform without any coupling effects from the WECs. The hydrodynamic coefficients and wave exciting forces were obtained from the 3D diffraction/radiation pre-processor code WAMIT based on the boundary element method. Then, an analysis of the dynamic responses of the floating platform with or without the WEC effect in the time domain was carried out. All of the dynamics of a floating platform with multiple wind turbines were obtained by coupling FAST and CHARM3D in the time domain, which was further extended to include additional coupled dynamics for multiple turbines. The analysis showed that the PTO damping effect on platform motions was negligible, but coupled effects between multiple WECs and the platform may differentiate the heave, roll, and pitch platform motions from the one without any effects induced by WECs.
Abstract
In this study, a six degree-of-freedom motion analysis of a wind-wave hybrid platform equipped with numerous wave energy converters (WECs) was carried out. To examine the effect of the WECs on the platform, an analysis of one-way coupling was carried out, which only considered the power take-off (PTO) damping of the static WECs on the platform. The equation of motion of a floating platform with mooring lines in the time domain was established, and the responses of the one-way coupled platform were then compared with the case of a platform without any coupling effects from the WECs. The hydrodynamic coefficients and wave exciting forces were obtained from the 3D diffraction/radiation pre-processor code WAMIT based on the boundary element method. Then, an analysis of the dynamic responses of the floating platform with or without the WEC effect in the time domain was carried out. All of the dynamics of a floating platform with multiple wind turbines were obtained by coupling FAST and CHARM3D in the time domain, which was further extended to include additional coupled dynamics for multiple turbines. The analysis showed that the PTO damping effect on platform motions was negligible, but coupled effects between multiple WECs and the platform may differentiate the heave, roll, and pitch platform motions from the one without any effects induced by WECs.
참고문헌 (10)
- Bae, Y. H, "Coupled Dynamic Analysis of Multiple Wind Turbines on a Large Single Floater", Ocean Engineering, 92, pp.175~187 (2014)
- Borg, M, "Use of a Wave Energy Converter as a Motion Suppression Device for Floating Wind Turbines", Energy Procedia, 35, pp.223~233 (2013)
- Cummins, W. E, "The Impulse Response Function and Ship Motions", Schiffstechnik, 9, pp.101~109 (1962)
- Lakkoju, V. N. M. R, "Combined Power Generation with Wind and Ocean Waves", World Renewable Energy Congress, Denver, 9(1), pp.870~874 (1996)
- Lee, H, "One-way Coupled Dynamic Analysis of Floating Platform with Wave Energy Converters", Proceedings of 25th International Offshore and Polar Engineering Conference, pp.881~887 (2015)
- Lee, H, "One-way Coupled Dynamic Analysis of Floating Platform with Wave Energy Converters", Journal of Ocean and Wind Energy, 3(1), pp.53~60 (2016)
- Liao, K, "Development of WEC as a Floating Platform Motion Suppression System", International Research Exchange Meeting of Ship and Ocean Engineering (2013)
- 신현경, "5MW 부유식 풍력발전기의 운동 해석", 한국해양공학회지, 25(5), pp.64~68 (2011), 한국해양공학회
- Taghipour, R, "Efficient Frequency-Domain Analysis of Dynamic Response of the Multi-Body Wave Energy Converter in Multi-Directional Waves", Proceedings of 18th International Offshore and Polar Engineering Conference, pp.357~365 (2008)
- Tahar, A, "Hull", mooring, Applied Ocean Research, pp.2003, 25(6)[DOI]