Turbulent Near Wake of a Flat Plate : Part I. Incompressible Flow

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概要

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• The incompressible turbulent wake close to a flat plate (near wake) was theoretically analyzed with an inductive theory of free turbulence attributed to Reichardt, considering the influence of the velocity distribution at the trailing edge and the condition for smooth connection of the solution near the plate to the similar solution in the far down stream. In our experiment which is carried out in order to confirm the theoretical results, turbulent boundary layers (the shape parameters of which are equal to 1.45) on both sides of the plate join at the trailing edge. The experimental results show that the value of the momentum transfer coefficient at the center of the near wake agrees with taht which Townsend measured in a fully developed wake, and the theoretical results agree fairly well with the experimental results. The position at which the velocity defect distribution becomes similar is found to be predictable.

• 一般社団法人日本機械学会の論文

著者

• Hirayama Naomichi

  Faculty Of Engineering Tokyo Metropolitan University

• Hirayama Naomichi

  Faculty Of Engineering Tokyo Metropolitan University.

• TOYODA Kuniaki

  Hokkaido Institute of Technology.

• Toyoda Kuniaki

  Hokkaido Institute Of Technology

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