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.
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Newly constructed, high-rise dense building areas by urban development can cause changes in local wind fields. Wind fields were analyzed to assess the impact on the local meteorology due to the land use changes during the urban redevelopment called“ Eunpyeong new town”in north-western Seoul using CFD_NIMR_SNU (Computational Fluid Dynamics, National Institute of Meteorological Research, Seoul National University) model. Initial value of wind speed and direction use analysis value of AWS (Automatic Weather Station) data during 5years.
In the case of the pre-construction with low rise built-up area, it was simulated that the spatial distribution of horizontal wind fields depends on the topography and wind direction of initial inflow. But, in the case of the post-construction with high rise built-up area, it was analyzed that the wind field was affected by high rise buildings as well as terrain. High-rise buildings can generate new circulations among buildings. In addition, small size vortexes were newly generated by terrain and high rise buildings after the construction. As high-rise buildings act as a barrier, we found that the horizontal wind flow was separated and wind speed was reduced behind the buildings.
CFD_NIMR_SNU was able to analyze the impact of high-rise buildings during the urban development. With the support of high power computing, it will be more common to utilize sophisticated numerical analysis models such as CFD_NIMR_SNU in evaluating the impact of urban development on wind flow or channel.
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등록된 정보가 없습니다.
참고문헌 (25)
참고문헌 신청
Baik, J.-J / 2003 / A CFD model for simulating urban flow and dispersion / JOURNAL OF APPLIED METEOROLOGY 42 : 1636 ~ 1648
Baik, J.-J. / 2000 / A laboratory model of urban street-canyon flows / JOURNAL OF APPLIED METEOROLOGY 39 : 1592 ~ 1600
Baker, J. / 2004 / A study of the dispersion and transport of reactive pollutants in and above street canyons-a large eddy simulation / Atmos.Environ 38 : 6883 ~ 6892
Brown, M. J. / 2001 / Mean flow and turbulence measurements around a 2-D array of buildings in a wind tunnel / 11th Joint Conference on theApplications of Air Pollution Meteorology
Castro, I. P. / 1997 / Flow and dispersion over topography:a comparison between numerical and laboratory data for two-dimensional flows / Atmos.Environ 31 : 839 ~ 850
Baik, J.-J. / 2000 / A laboratory model of urban street-canyon flows / JOURNAL OF APPLIED METEOROLOGY 39 : 1592 ~ 1600
Baker, J. / 2004 / A study of the dispersion and transport of reactive pollutants in and above street canyons-a large eddy simulation / Atmos.Environ 38 : 6883 ~ 6892
Brown, M. J. / 2001 / Mean flow and turbulence measurements around a 2-D array of buildings in a wind tunnel / 11th Joint Conference on theApplications of Air Pollution Meteorology
Castro, I. P. / 1997 / Flow and dispersion over topography:a comparison between numerical and laboratory data for two-dimensional flows / Atmos.Environ 31 : 839 ~ 850
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