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논문 기본 정보

자료유형
학술저널
저자정보
박재현 (부경대학교) 이연원 (부경대학교)
저널정보
한국동력기계공학회 동력시스템공학회지 동력시스템공학회지 제26권 제6호
발행연도
2022.12
수록면
31 - 39 (9page)
DOI
10.9726/kspse.2022.26.6.031

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초록· 키워드

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Recently, the problem of the building wind has emerged due to high-rise buildings in narrow spaces. Building wind is an increase of the wind velocity locally because of the structure and arrangement of the building, which can damage the building, deteriorate the walking environment and even cause casualties. In this study, the wind environment of the Pukyong National University Daeyeon Campus Engineering building was investigated using CFD. Also, the ceiling panel collapse, which is one of the cases of damage from the building wind, was analyzed. The average and maximum wind velocity of summer and winter seasons were given to an inlet condition with a wind profile. In pedestrian height, both summer and winter average wind velocities were 3.3 m/s, but the wind velocity increased to 5.7 m/s in summer and 5.5 m/s in winter. The maximum velocity in summer season was observed at 14.6 m/s, but it is increased to 33 m/s around the building. Similarly, the maximum velocity in winter was 13.9 m/s and it is increased to 27 m/s around the building. The maximum force acting on the pedestrian was calculated into 15.5 N in average velocity and 275.5 N in maximum velocity. The strong southwest wind is extremely dangerous to a pedestrian on a narrow pathway between the buildings. Within the area where the ceiling panels collapse occurred, the inlet side wind velocity is slower than the free flow, and the velocity is rapidly increased due to the influence of the structure at the rear part of the outlet side. Accordingly, it seems that negative pressure is formed in the rear portion of the outlet side, and the ceiling panels are collapsed by downward force.

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Abstract
1. 서론
2. 해석모델
3. 해석결과
4. 천장마감재 이탈현상의 분석
5. 결론
References

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