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논문 기본 정보

자료유형
학술저널
저자정보
Qureshi, M. Zahid Iqbal (Department of Architecture and Civil Engineering, College of Science and Engineering, City University of Hong Kong) Chan, A.L.S. (Division of Building Science and Technology, College of Science and Engineering, City University of Hong Kong)
저널정보
테크노프레스 Wind & structures Wind & structures 제22권 제4호
발행연도
2016.1
수록면
409 - 428 (20page)

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The mechanical and aerodynamic effect of building shape plays a dominate role in the pedestrian level wind environment. These effects have been presented in numerous studies and are available in many wind codes. However, most studies have focused on wind flow around conventional buildings and are limited to few wind directions. The present study investigated wind circulation in the re-entrant corners of cross-shaped high-rise buildings from various wind directions. The investigation focused on the pedestrian level wind environment in the re-entrant corners with different aspect ratios of building arrangements. Ninety cases of case study arrangements were evaluated using wind tunnel experimentation. The results show that for adequate wind circulation in the re-entrant corners, building orientations and separations play a critical role. Furthermore, in normal wind incident directions and at a high aspect ratio, poor wind flow was observed in the re-entrant corners. Moreover, it was noted that an optimized building orientation and aspect ratio significantly improved the wind flow in re-entrant corners and through passages. In addition, it was observed that oblique wind incident direction increased wind circulation in the re-entrant corners and through passages.

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