• 제목/요약/키워드: 방풍팬스

검색결과 3건 처리시간 0.016초

원형방풍팬스를 이용한 저층건물의 풍압저감을 위한 연구 (The Study on the Decrease of Pressure of Low-rise Building using Circle Porosity Fence)

  • 전종길;김성현;유장열;유기표;김영문
    • 한국공간구조학회논문집
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    • 제6권1호
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    • pp.111-115
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    • 2006
  • 방풍팬스의 설치에 의한 저층건물 주변의 풍압특성을 분석하기 위하여 풍압실험을 실시하였다. 방풍팬스의 다공율은 0%와 20%을 중심으로 하였다. 방풍팬스와 저층건물의 거리는 1H-9H까지 범위안에서 측정을 하였다. 사용된 풍속은 6m/s로 일정하게 하였다. 저층건물의 측압공 위치는 정면과 측면 후면을 중심으로 총 54개를 측정하였다. 분석결과 다공률 20%일때는 측정거리 1H-3H일 때 다공률 40%일 때는 측정거리 4H-6H일 때 가장 효과적이었다.

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원형방풍팬스 후면에 있는 저층건물의 풍압특성 (The Characteristic of Wind Pressure of Low-rise Building Located Behind a Circle Wind Fence)

  • 전종길;유장열;유기표;김영문
    • 한국공간구조학회:학술대회논문집
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    • 한국공간구조학회 2006년도 춘계 학술발표회 논문집 제3권1호(통권3호)
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    • pp.102-109
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    • 2006
  • The effects of wind fence on the pressure characteristics around low-rise building model were investigated experimentally. Flow characteristics of turbulences behind wind fence were measured using hot-wire anemometer. The wind fence characterize by varying the porosity of 0 %, 40 % and the distances from the wind fence from 1 H to 6 H with maintaining the uniform flow velocity of 6 m/s. We investigated the overall characterization of the low-rise building by measuring pressure seventy four on model. The effects of porosity fences varied with the porosity of the fence and measurement locations(1H-6H). The 0% porosity proved to be effective for the protection area of 4H to 6H, but the 40% porosity proved to be effective for the protection area of 1H to 6H. The low-rise building of front face was found to be best wind fence for decreasing the mean, maximum and minimum pressure fluctuation.

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풍동실험을 이용한 다공성 방풍팬스의 방풍성능실험 (Experiment of the Shelter Effect of Porous Wind Fences base on the Wind Tunnel Test)

  • 유장열;전종길;김영문
    • 한국공간구조학회:학술대회논문집
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    • 한국공간구조학회 2006년도 춘계 학술발표회 논문집 제3권1호(통권3호)
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    • pp.91-101
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    • 2006
  • We have conducted the study about the shelter effect against the wind by using the wind fence with various porosities and the measured distance from the wind fence, in three different types of it ; (Circle wind fence, Vertical wind fence, Horizontal wind fence) The shelter effect and turbulence characteristics of the selected wind barrier is throughly investigated by wind tunnel test. flow characteristics of velocities and turbulences behind wind fence were measured using hot-wire anemometer. we characterize the turbulence behind the wind fence by varying the porosity of 0 %, 20 %, 40%, and 60%, and the distances from the wind fence from 1 H to 9 H with maintaining the uniform flow velocity of 6 m/s. In addition, we investigated the overall characterization of the wind fence by measuring total of twenty eight points on the wind fence, which forms the lattice structure on it with seven points in lateral direction and four points in vertical direction. The results of analysis from the circle wind fence indicate that the degree of the turbulence is lowered and the velocity of the wind is decreased when the porosity of 40 % are used at the distance from 3 H to 9 H. On the other hand, the vertical, horizontal wind fence with the porosity of 20% is more advantageous at the distance of 2 H to 9 H. For the effectiveness of the wind fence depending on the position, the center part is the greatest and it decreases at the edges with 10 % to 30 % less than that of at the center.

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