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논문 기본 정보

자료유형
학술저널
저자정보
조수용 (Gyeongsang National University) 임채환 (Kyungwoon University) 최상규 (Korea Institute of Machinery and Materials) 김진균 (Korea Institute of Machinery and Materials) 박성경 (Odin Energy)
저널정보
한국신재생에너지학회 신·재생에너지 신재생에너지 제13권 제4호(통권 제54호)
발행연도
2017.12
수록면
13 - 22 (10page)
DOI
10.7849/ksnre.2017.12.13.4.013

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초록· 키워드

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An experimental study was conducted to augment the performance of VAWTs (vertical axis wind turbine). To enhance the wind velocity, a wind power tower was applied. The velocities within the wind power tower was measured in a wind tunnel with a test section is 2 m in height and 2.2 m in width. The experiment was conducted with two different velocities according to Reynolds number, 2.1x10<SUP>5</SUP> and 1.7x10<SUP>5</SUP>, based on the length of the guide wall. The measured velocities within the wind power tower were compared with those measured without a wind power tower. The wind power tower was rotated so that the effect of the wind direction was considered. Therefore, the velocities within the wind power tower were measured for various azimuth angles. The pressures were measured at the upstream and downstream of the wind power tower. The total pressure loss occurred by installing of the wind power tower was estimated. The inner and outer radii of the guide wall were varied to measure the effect depending on the size of the wind power tower. The measured velocity within the wind power tower showed the periodical variation along the azimuth direction. Based on the near center location where the variation of the velocity was insignificant, the experimental results showed that the wind velocity was augmented more than 15% by the wind power tower.

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ABSTRACT
1. 서론
2. 실험장치 및 계측기
3. 측정결과 및 분석
4. 결론
References

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