Near Wall Velocity Distribution of Turbulent Swirling Flow in Circular Pipe

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概要

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• Velocity distributions dose to wall of a turbulent swirling flow in a circular pipe have been measured. Unlike the ordinary parallel flow the streamline of swirling flow twists helically downstream, which may change the structure of flow in wall region as is expected from the study of streamline curvature effects of a two-dimensional curved flow. Effect of streamline curvature is characterized by a parameter Ω, nondimensionalized angular momentum flux, by which the flow is classified as (1) not influenced, (2) partially influenced and (3) completely influenced according to the magnitude of Ω. The flow is found to be three-dimensional when Ω surpasses 0.186.

• 一般社団法人日本機械学会の論文

著者

• Kato Tohru

  Toyota Motor Corp.

• Kito Osami

  Nagoya Institute Of Technology

関連論文

• Whirling Motion of Swirl Center in a Conical Diffuser
• Near Wall Velocity Distribution of Turbulent Swirling Flow in Circular Pipe
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• Axi-asymmetric Character of Turbulent Swirling Flow in a Straight Circular Pipe
• Effects of Swirling Flow Components on Discharge Coefficients of Elbow Flow Meters
• Effects of Swirling Flow Components on Discharge Coefficients of Constriction Meters

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