年次大会講演論文集
Online ISSN : 2433-1325
セッションID: 1761
会議情報
二次元噴流の渦構造と移流速度評価に関する実験的研究(G05-11 渦・噴流,G05 流体工学部門一般講演)
田中 伸彦酒井 康彦山本 睦
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会議録・要旨集 フリー

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To investigate the coherent structure in a turbulent plane jet. it is important to estimate the convective velocity of the coherent structure. In this study, the simultaneous measurement at 2 points by the X-type hot wire probe has been performed, and the new method was suggested to estimate the convective velocity more accurately by using the power spectrum and the spatial correlation of the lateral velocity fluctuation v. It is found that the convective velocity for the turbulent plane jet of this study is 0.676 times of the mean velocity of the jet centerline.
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© 2004 一般社団法人日本機械学会
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