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Hurricanes, Tornadoes, Wake Turbulence and BVI—Vortices Come in All Sizes The 24th Nikolsky Lecture

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Abstract:

This lecture will discuss the behavior and basics of vortex geometry and strength, particularly with regard to those areas where your speaker has had some personal involvement. A comparison will be made between some recent measurements taken of the vortex geometry from a rotor compared to predictions based on the wake turbulence study that obtained the first far‐ and near‐field measurements of a full‐scale airplane wake. Specific topics to be discussed include impulsive pressure, vortex core size, vortex breakdown and efforts to alleviate unfavorable effects resulting from vortex interference on both fixed and rotary wing aircraft.

Document Type: Research Article

DOI: http://dx.doi.org/10.4050/1.3092858

Affiliations: The Pennsylvania State University, State College, PA

Publication date: July 1, 2005

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  • The Journal of the American Helicopter Society is the world's only scientific journal dedicated to vertical flight technology. It is a peer-reviewed technical journal published quarterly by AHS International and presents innovative papers covering the state-of-the-art in all disciplines of rotorcraft design, research and development. (Please note that AHS members receive significant discounts on articles and subscriptions.)

    Journal subscribers who are AHS members log in here if you are not already logged in.

    Authors can find submission guidelines and related information on the AHS website.

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