지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2014.10
- 수록면
- 297 - 301 (5page)
이용수
초록· 키워드
오류제보하기
We investigate the wake phenomena of wind farm and its environmental effects to atmospheric boundary layer using large eddy simulation (LES). Through analysis of wind farm that wind turbines are resolved by actuator line method (ALM), we obtain the important coefficients of wind farm. Wind farm parameterization which contains the coefficients of wind farm is represented by imposing momentum sink on the mean flow and turbulent kinetic energy source which is substituted electricity from kinetic energy deficit. In the wind farm simulation, velocity deficits and interference between turbines are observed. Also, the characteristics of the wake are revealed by the iso-surface of vorticity magnitude and vertical profile of turbulent intensity. In the regional scale simulation applied by wind farm parameterization, it is observed that kinetic energy deficit suppresses the low-level jet and increases depth of the atmospheric boundary layer. To reveal the cause of increment in the depth of the boundary layer we conduct quadrant analysis and compare vorticity magnitudes at the four different heights.
목차
Abstract
1. Introduction
2. Methodology
3. Results
4. Conclusions
5. References
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