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자료유형
학술저널
저자정보
조강표 (원광대학교) 정승환 (풍공학연구소) 신승화 (원광대학교)
저널정보
한국유체기계학회 한국유체기계학회 논문집 유체기계저널 제14권 제3호
발행연도
2011.6
수록면
50 - 58 (9page)

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To utilize wind resources effectively around buildings in urban area, the magnitudes of wind velocity and turbulence intensity are important, which means the need of the information about the relationship between the magnitude of wind velocity and that of fluctuating wind velocity. In the paper, wind-tunnel experiments were performed to provide the information about Characteristic of Wind flow around buildings with the spanwise distance and the side ratio of buildings as variables. For a single building with the side ratios of one and two, the average velocity ratio was 1.4 and the velocity standard deviation ratio ranged from 1.4 to 2.6 at the height of 0.02m at the corner of the windward side, in which flow separation occurred. For twin buildings with the side ratios of one and two, the velocity ratio ranged from 2 to 2.5 as the spanwise distance varied at the height of 0.02m, and the velocity standard deviation ratio varied near 1.25. For twin buildings with the side ratios of one and two, the maximum velocity ratio was 1.75 at the height of 0.6m, and the maximum velocity standard deviation ratio was 2.1. It was also found from the results of CFD analysis and wind-tunnel experiments that for twin buildings with the side ratios of one and two, the difference between the velocity ratio of CFD analysis and that of wind-tunnel experiments at streamwise distances was near 0.75.

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ABSTRACT
1. 서론
2. 풍동실험을 이용한 건축물 주변의 유동특성 분석
3. CFD를 이용한 건축물 주변의 유동특성 분석
4. 결론
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UCI(KEPA) : I410-ECN-0101-2013-554-000627310