乱流境界層中の立方体建物屋根面上の剥離せん断層と屋根面変動風圧の特性

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タイトル別名
  • CHARACTERISTICS OF SEPARATED SHEAR LAYERS ABOVE A CUBE AND PRESSURE FLUCTUATIONS ON THE ROOF IN A TURBULENT BOUNDARY LAYER
  • ランリュウ キョウカイソウ チュウ ノ リッポウタイ タテモノ ヤネメン ジョウ ノ ハクリ セン ダンソウ ト ヤネメン ヘンドウ フウアツ ノ トクセイ

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In order to clarify characteristics of separated shear layers above a roof of a cubic model and wind pressures on the roof, a wind tunnel experiment was carried out. The flow was measured by Particle Image Velocimetry (PIV) system and simultaneous multi-pressure measurements on the roof surface were also performed. In this paper, relations between instantaneous separated shear layers above the roof and instantaneous wind pressure distributions were presented. Characteristics of instantaneous wind pressure distributions at the instantaneous reattachment were also discussed.

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