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논문 기본 정보

자료유형
학술저널
저자정보
Ambarayil Joy Jithin (Jeju National University) Muhammad Sajjad (Jeju National University) Dong-Won Jung (Jeju National University)
저널정보
한국동력기계공학회 동력시스템공학회지 한국동력기계공학회지 제23권 제2호
발행연도
2019.4
수록면
66 - 78 (13page)
DOI
10.9726/kspse.2019.23.2.066

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초록· 키워드

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The nacelle is located at the top portion of the wind turbine, and it is the heart part of a wind turbine. Rotors and generators are the major components inside the wind generator which turn the wind energy into rotational power and generate electrical energy. The nacelle cover acts as a protective case and a technical compartment containing these important parts. Nacelle covers that protect these critical parts of wind turbines should be as light as possible, ensuring stability for strength and buckling despite strong winds, and sufficiently supported from wind loads, snow loads and self-weights. Nacelle covers of wind turbines are often used in steel sheets such as galvanized steel sheets to withstand wind and snow loads. The weight is heavy and requires a lot of economic consumption, such as the cost of installation, transportation cost, and increased tower thickness while the steel plate`s nacelle cover is stable for the applied load. Recently, many wind turbines have a tendency to use a composite material of a nacelle cover; the composite nacelle cover has a similar strength as steel plate and is lighter than a steel plate, making it economical to consider the production cost of wind turbines. In this paper, we are discussing nacelle cover design process and FEM simulation to determine the shape of a wind turbine under the influence of wind. We are using CFD analysis software `ANSYS workbench` to determine the shape of the current nacelle cover of the 250 KW wind turbine by changing the shape of the nacelle cover and streamlined shape nacelle cover. This study finds out that there are differences to an influence of wind when wind passes through the nacelle cover because of new shape.

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Abstract
1. Introduction
2. 3D Modeling of Existing Nacelle Covers
3. Experimental results and discussion
4. Determining the New Geometry of the Nacelle Covers
5. Structural Analysis of Existing Nacelle Cover
6. Structural Analysis of Wired Nacelle Cover
7. Wired Nacelle Cover Wind Load Simulation
8. 3D Printing Models
9. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2019-550-000716396