Results 211 to 220 of about 75,944 (274)

Observations of marine animal interactions with a small tidal turbine. [PDF]

open access: yesPLoS One
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Helicopter rotor blades

The Journal of the Acoustical Society of America, 1993
Flow separation behind the notch region of a swept tip of a helicopter rotor blade is reduced by features of the geometry and aerodynamic characteristics of the notch region itself. In particular it has been found beneficial for a forwardly swept leading edge portion to extend at an angle between 30 degrees and 55 degrees from a reference line parallel
Frederick J. Perry, Alan Brocklehurst
openaire   +1 more source

ROTOR-BLADE MACHINE

Herald of Khmelnytskyi National University. Technical sciences, 2020
The world’s leading engine companies carry out research and development work aimed at improving the efficiency of heat engines, their reliability and durability, reducing weight and size, improving environmental performance, reducing fuel consumption and more.
M. KOSIYUK, А. KOSIYUK
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The Stressing of Rotor Blades

Aircraft Engineering and Aerospace Technology, 1938
NUMEROUS difficulties are encountered in any attempt to ascertain the loads which come into action on a gyroplane rotor blade, and the stresses which these loads impose on the blade. The loads are not steady but variable, complicated and subject to intractable fluctuations. In consequence the blades are in a continual state of agitation.
J. Morris, W. Tye
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