On Unsteady Aerodynamic Forces and Moments of the Circular Cascading Blades : Experiments of the Outward-flow Case

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概要

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• Measurements are performed for the unsteady forces and moments acting on the rotating circular cascading blades which vibrate harmonically in a torsional mode about the mid-chord with an arbitrary interblade phase angle. The results obtained are compared with the calculated results. It is found that the experimental results are qualitatively in good agreement with the calculated ones. When the interblade phase angle is small, it is found that the force and moment change in a periodic manner of a function given by the flow coefficient, the blade frequency and the wake length of the vortex distribution, and that the damping moment becomes negative under certain circumstance.

• 一般社団法人日本機械学会の論文

著者

• Nishi0ka Kiyoshi

  The National Defense Academy

• KURODA Hiromoto

  The National Defense Academ

関連論文

• On Unsteady Aerodynamic Forces and Moments of the Circular Cascading Blades : Experiments of the Outward-flow Case

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