Interaction of a turbulent vortex with a lifting surface

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 14 Jan 1985Publisher:American Institute of Aeronautics and Astronautics (AIAA)Journal:23rd Aerospace Sciences Meeting

Authors: D. LEE; L. ROBERTS;

doi: 10.2514/6.1985-4

Interaction of a turbulent vortex with a lifting surface

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Abstract

The impulsive noise due to blade-vortex-interaction is analyzing in the time domain for the extreme case when the blade cuts through the center of the vortex core with the assumptions of no distortion of the vortex path or of the vortex core. An analytical turbulent vortex core model, described in terms of the tip aerodynamic parameters, is used and its effects on the unsteady loading and maximum acoustic pressure during the interaction are determined.

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Stanford University
United States

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