Results 141 to 150 of about 5,555 (274)
Aeromechanical Stability of a Bearingless Rotor Helicopter with Double-Swept Blades [PDF]
, 2020 Junhao Zhang, Pinqi Xia, Inderjit Chopra
openalex +1 more source
Aeromechanical stability of a hingeless rotor in hover and forward flight: Analysis and wind tunnel tests [PDF]
A research effort of analysis and testing was conducted to investigate the ground resonance phenomenon of a soft in-plane hingeless rotor. Experimental data were obtained using a 9 ft. (2.74 m) diameter model rotor in hover and forward flight.
Hamouda, M. N. H. +2 more
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Position Control of Gear Shift based on Sliding Mode Active Disturbance Rejection Control for Small-Sized Tractors. [PDF]
Sci Prog, 2022 Jiang C, Yin C, Gao J, Yuan G.
europepmc +1 more source
Comparison of blade loads of fixed and free yawing wind turbine [PDF]
The self regulating composite bearingless wind turbine utilizes an automatic pitch control concept and a completely unrestrained yawing degree of freedom.
Bielawa, R. L., Cheney, M. C.
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Magnetic Bearing and Bearingless motor
Magnetic Bearing and Bearingless motoridentifier:oai:t2r2.star.titech.ac.jp ...
openaire +1 more source
HiREX: High-Throughput Reactivity Exploration for Extended Databases of Transition-Metal Catalysts. [PDF]
J Chem Inf Model, 2023 Hashemi A +3 more
europepmc +1 more source
Helicopter transmission testing at NASA Lewis Research Center [PDF]
The helicopter has evolved into a highly valuable air mobile vehicle for both military and civilian needs. The helicopter transmission requires advanced studies to develop a technology base for future rotorcraft advances.
Coy, John J., Lewicki, David G.
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Role of thrombin to non-physiological shear stress induced platelet activation and function alternation. [PDF]
Thromb Res, 2022 Sun W +5 more
europepmc +1 more source