Analysis of the Boundary Layer on a Workless Rotating Thin Blade

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概要

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• The paper analyzes theoretically the turbulent boundary layer on a rotating blade with consideration for the effects of its stagger angle and twist. The helical coordinate system was introduced to obtain the boundary layer equation in a general form. The equation, furthermore, was transformed into a momentum equation. The solution for the flow on the workless blade was derived by assuming the velocity distribution and the shearing stress on the wall surface based on 1/7-th-power law. The calculated results of the thickness of boundary layer and the radial flow in it agree pretty well with the experimental results. The effect of the stagger angle on the boundary layer thickness is also shown numerically.

• 一般社団法人日本機械学会の論文

著者

• TOYOKURA Tomitaro

  Yokohama National University

• Yamamoto Kazuyoshi

  Central Research Laboratory Ebara Manufacturing Co.

関連論文

• Unsteady Laminar Flow Along an Enclosed Rotating Disk : Fluids Engineering
• Performances of Vertical Diffusers for Air-water Mixture Flow
• Transient Flow Caused by a Rotationally Decelerated Disk Enclosed in a Housing
• Three-dimensional Boundary Layer Flow on Rotating Blades
• Analysis of the Boundary Layer on a Workless Rotating Thin Blade

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