Application of the Thermal Image Velocimetry to Measure and Visualize Spatial Distribution of Near Surface Wind

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  • 熱画像風速測定法（TIV）による風の空間分布計測
  • 都市気象学の体系化に向けた最近の研究から 熱画像風速測定法(TIV)による風の空間分布計測
  • トシ キショウガク ノ タイケイカ ニ ムケタ サイキン ノ ケンキュウ カラ ネツ ガゾウ フウソク ソクテイホウ(TIV)ニ ヨル カゼ ノ クウカン ブンプ ケイソク
  • 解説シリーズ「都市気象学の体系化に向けた最近の研究から」

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Thermal image velocimetry (TIV) is a method to measure 2-dimensional velocity distribution of near surface wind by using time-sequential thermal images with an image correlation technique. This report introduces the principle of the method and some applications in outdoor environment (e.g. thermal updraft along a heated vertical wall, dustdevil like vortex observed in a sports ground, near surface wind along a complex terrain, and measurement by helicopter) to figure out potential use of this method.

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