Frequency Content in the Wakes of Rotating Bluff Body Helicopter Hub Models

<p> It is estimated that the rotor hub of a helicopter is responsible for up to 30% of the parasite drag of a helicopter. This is because the hub is a group of rotating bluff-body shapes exposed to high-velocity flow, which may produce hub revolution-dependent flow structures in the hub wake....

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Bibliographic Details
Main Author: Petrin, Christopher E.
Published: Oklahoma State University 2018
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