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- W2396110650 abstract "본 연구에서는 전산 유체 역학(CFD) 모델을 이용하여 건물과 지형이 대도시 내의 산지에 위치한 기상관측소의 관측환경에 미치는 영향을 조사하였다. 대상 지역의 관측소주변 흐름 특성을 조사하기 위해, GIS 자료로부터 건물과 지형 자료를 구현하였다. 구현한 자료를 CFD 모델 입력 자료로 사용하였고 관측소를 중심으로 16방위의 유입류을 가정하여 수치실험을 실시하였다. 유입된 흐름과 관측 지점에서 모의된 흐름을 비교한 결과, 전반적으로 관측소 주변에 건물과 고지형이 존재할 경우, 모의된 풍향과 풍속이 유입류와 크게 차이가 나타났다. 건물과 지형의 풍하층에서 발생하는 2차 순환범위 내에 관측소가 포함될 경우, 더욱 큰 차이가 나타났다. 전산유체역학 모델은 주변 지형환경에 따른 관측지역의 상세흐름 변화를 평가 하는데 매우 유용한 도구임을 확인하였다. In this study, effects of buildings and topography on observation environment of weather stations located on mountainous terrain in metropolitan areas are investigated using a computational fluid dynamics (CFD) model. In order to investigate the characteristics of flow pattern around the weather stations, geographic information system (GIS) data are used to construct surface boundary input data of the CFD model. In order to evaluate effects of buildings and topography on wind speed and direction at three weather stations located in Deajeon, Busan, and Gwangju., target areas around the weather stations are selected and 16 cases with different inflow directions for each target area are considered. The simulated wind speed and direction at the weather stations are compared with those of inflow. As a whole, wind speed at the weather stations decreases due to drag effects of the buildings and topography in the upwind regions. This study shows that GIS data and the CFD model are successfully applicable to evaluation of observation environment for weather stations." @default.
- W2396110650 created "2016-06-24" @default.
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- W2396110650 date "2015-04-30" @default.
- W2396110650 modified "2023-09-25" @default.
- W2396110650 title "Evaluation of Observation Environment for Weather Stations Located in Metropolitan Areas" @default.
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- W2396110650 doi "https://doi.org/10.7780/kjrs.2015.31.2.13" @default.
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