The Structure of a Turbulent Wake Behind a Cruciform Circular Cylinder : 2nd Report, The Streamwise Development of turbulent flow field

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概要

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• Detailed measurements of the turbulent quantities such as the turbulent intensity components and Reynolds shear stress in the cruciform circular cylinder wake have been made, in order to examine the similarity profile of the turbulent quantities and the streamwise growth of the turbulent flow field. Experimental results are summarized as follows : For the far downstream region, the decay rate of turbulent velocity scales is close to that of the mean velocity scale, and the profiles of three-components of turbulent intensity and Reynolds shear stress are similar. In the vicinity of a corner, a distortion due to secondary flows is observed on the contours of the turbulent quantities. Reynolds number based on the velocity scale U_<d0> and the length scale L_X is constant and therefore the present turbulent wake remains steady.

• 一般社団法人日本機械学会の論文

著者

• Nakamura Ikuo

  Faculty Of Engineering Nagoya University

• Osaka Hideo

  Faculty Of Engineering Yamaguchi University

• YAMADA Hidemi

  Department of Mechanical Engineering, Yamaguchi University

• YAMADA Hidemi

  Faculty of Engineering, Yamaguchi University

• KUWATA Yoshimasa

  Graduate School, Yamaguchi University

• KAGEYAMA Yoshiro

  Faculty of Engineering, Yamaguchi University

• Yamada Hidemi

  Department Of Mechanical Engineering Yamaguchi University

• Kuwata Yoshimasa

  Graduate School Yamaguchi University

• Nakamura Ikuo

  Faculty Mechanical Engineering Nagoya University

• NAKAMURA Ikuo

  Faculty of Engineering, Nagoya University

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