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논문

피스톤 타입 조파기의 형상 매개변수에 대한 조파성능 연구

A Parametric Study of the Wave-Generation Performance of a Piston-Type Wave Maker

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참고문헌

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주제분류해양공학

초록

The wave-generation performance of a piston-type wave maker was analyzed using the numerical wave tank technique, and the numerical results were compared with theoretical solutions. A two-dimensional frequency domain analysis was conducted based on the Rankine panel method. Various parameters were used to examine the wave-generation performance, such as the width and gap of the wave board. The effects of the thickness of the wave board and of the gap from the bottom of the tank were evaluated. The difference in the amplitude of the generated wave between the analytical solution and the numerical result was examined, and its causes were addressed due to the gap flow between the bottom of the tank and the wave board. This parametric analysis can be utilized to design an optimum wave make parametric analysis to design an optimum wave maker that can generate waves with amplitudes that can be predicted accurately.

Abstract

The wave-generation performance of a piston-type wave maker was analyzed using the numerical wave tank technique, and the numerical results were compared with theoretical solutions. A two-dimensional frequency domain analysis was conducted based on the Rankine panel method. Various parameters were used to examine the wave-generation performance, such as the width and gap of the wave board. The effects of the thickness of the wave board and of the gap from the bottom of the tank were evaluated. The difference in the amplitude of the generated wave between the analytical solution and the numerical result was examined, and its causes were addressed due to the gap flow between the bottom of the tank and the wave board. This parametric analysis can be utilized to design an optimum wave make parametric analysis to design an optimum wave maker that can generate waves with amplitudes that can be predicted accurately.

참고문헌 (8)

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  2. Dean, R. G., "Advanced Series on Ocean Engineering – Volume 2" (1991), World Scientific
  3. Khalilabadi, M. R., "Design and Construction of an Optimum Wave Flume", Journal of Applied Fluid Mechanics, 5(3), pp.99~103 (2012)
  4. Kim, S. J., "Numerical and Experimental Study on a Hemispheric Point-absorber-type Wave Energy Converter with a Hydraulic Power Take-off System", Renewable Energy, 135, pp.1260~1269 (2019)[DOI]
  5. Kim, Y., "Artificial Damping in Water Wave Problem Ⅰ : Constant Damping", International Journal of Offshore and Polar Engineering, 13(2), pp.88~93 (2003)
  6. 권종오, "조파판 수중운동의 근사해석과 조파기 설계에 응용", 대한조선학회 논문집, 54(6), pp.461~469 (2017), 대한조선학회[DOI]
  7. Liao, S. W., "Simulation of Breaking Waves-theory and Experiments", SNAME Northern California Section Meeting, Society of Naval Architects and Marine Engineers (1998), University of California
  8. 민은홍, "주파수 영역에서 인공감쇠기법을 활용한 복층 유체의 수치조파수조 방사 문제", 한국해양공학회지, 31(1), pp.1~7 (2017), 한국해양공학회[DOI]

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