平行2平板間の乱流と乱流境界層の壁せん断応力の測定および両者の比較

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概要

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• Measurements of time-mean velocity, longitudinal, normal and lateral velocity fluctuation intensities (u',v',w') and of wall shear stress have been made in turbulent flows in a flat channel and in boundary layers (zero pressure gradient). The profiles of u',v',w follow a similar pattern, to a reasonable approximation. The wall shear stresses obtained by different techniques have been compared. The same equipment was employed in boundary-layer measurements, and the results are compared with those obtained in channel flows. Comparisons of fluctuation intensities, and two constants A and B in the universal law of the wall, where A is the slop constant and B is the 'slip' within the viscous layer interposed between the smooth wall and the fully turbulent flow, have been made with values obtained by earlier investigators for both channel and boundary-layer flows.

• 一般社団法人日本機械学会の論文
• 1992-05-25

著者

• Reynolds A.

  Dept. Of Mech. Eng. Brunel West London Univ.

• Zarbi Ghassem

  カヤバ工業(株)基盤技術研究所

関連論文

• 平行2平板間の乱流と乱流境界層の壁せん断応力の測定および両者の比較

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