수치해석을 이용한 어선용 수직축 풍력터빈의 기초연구
A Fundamental Study on the Vertical-Axis Wind Turbine for Fishing Boat using Numerical Analysis
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초록
In this study, the flow characteristics and structural safety of a 500W class vertical-axis wind turbines(VAWT) for a fishing boat are investigated by numerical simulations. Guide vanes to increase the performance of the VAWT are investigated. And the best guide vane in the numerical simulations is applied to the VAWT. Also, modal analyses are performed to find out the natural frequencies of the VAWT, and the resonance safety of the VAWT is evaluated. The structural analysis of the VAWT is carried out by one-way FSI(Fluid Structure Interaction). And the results are used for the evaluation of structural safety according to IEC 61400-1 code. Finally, the possibility of the installation of the VAWT on the wheelhouse of a 9.77ton class fishing boat is checked. The results of the present research could be used as one of the fundamental data to design a VAWT for a fishing boat.
Abstract
In this study, the flow characteristics and structural safety of a 500W class vertical-axis wind turbines(VAWT) for a fishing boat are investigated by numerical simulations. Guide vanes to increase the performance of the VAWT are investigated. And the best guide vane in the numerical simulations is applied to the VAWT. Also, modal analyses are performed to find out the natural frequencies of the VAWT, and the resonance safety of the VAWT is evaluated. The structural analysis of the VAWT is carried out by one-way FSI(Fluid Structure Interaction). And the results are used for the evaluation of structural safety according to IEC 61400-1 code. Finally, the possibility of the installation of the VAWT on the wheelhouse of a 9.77ton class fishing boat is checked. The results of the present research could be used as one of the fundamental data to design a VAWT for a fishing boat.
참고문헌 (5)
- Fiedler, A.J., "Blade Offset and Pitch Effects on a High Solidity Vertical Axis Wind Turbine, Wind Engineering, 33(3)", Wind Engineering, 33(3), pp.237~246 (2009)
- 황미현, "2엽 수직축풍력발전기의 유동해석 및 실험 비교", 한국전산유체공학회지, 15(4), pp.85~91 (2010), 한국전산유체공학회
- "Wind turbines part 1 : Design requirements", International Electrotechnical Commission, ~ (2005)
- Electrical power technology query reply casebook for electric engineers(Ⅴ), "Korea Electric Engineers Association", Korea Electric Engineers Association, ~ (2009)
- Takao, M., "A Straight-bladed Vertical Axis Wind Turbine with a Directed Guide Vane Row", Journal of Fluid Science and Technology, 3(3), pp.379~386 (2008)