Results 151 to 160 of about 5,555 (274)

Advanced Rotorcraft Transmission (ART) program-Boeing helicopters status report [PDF]

open access: yes
The Advanced Rotorcraft Transmission (ART) program is structured to incorporate key emerging material and component technologies into an advanced rotorcraft transmission with the intention of making significant improvements in the state of the art (SOA).
Lenski, Joseph W., Jr., Valco, Mark J.
core   +1 more source

Towards high-speed bearingless disk drives

open access: yes, 2017
Lagerlose Scheibenläuferantriebe vereinen die Funktionalität von Magnetlagerung und elektrischer Maschine in einer hochkompakten, die mechanische Komplexität reduzierenden Form. Das Rotormagnetfeld einer permanenterregten Synchronmaschine wird für die passive Stabilisierung von axialen und Kippauslenkungen mitverwendet und dient zusätzlich der ...
openaire   +2 more sources

Effects of Permanent-Magnet Passive Magnetic Bearing on a Two-Axis Actively Regulated Low-Speed Bearingless Motor [PDF]

open access: green, 2010
Junichi Asama   +5 more
openalex   +1 more source

Assessment of Technologies for Noncryogenic Hybrid Electric Propulsion [PDF]

open access: yes
The Subsonic Fixed Wing Project of NASA's Fundamental Aeronautics Program is researching aircraft propulsion technologies that will lower noise, emissions, and fuel burn. One promising technology is noncryogenic electric propulsion, which could be either
Choi, Benjamin B.   +6 more
core   +1 more source

Hysteresis Bearingless Slice Motors with Homopolar Flux-biasing. [PDF]

open access: yesIEEE ASME Trans Mechatron, 2017
Noh M, Gruber W, Trumper DL.
europepmc   +1 more source

Development of Inspired Therapeutics Pediatric VAD: Benchtop Evaluation of Impeller Performance and Torques for MagLev Motor Design. [PDF]

open access: yesCardiovasc Eng Technol, 2022
Tompkins LH   +10 more
europepmc   +1 more source

Comprehensive rotorcraft analysis methods [PDF]

open access: yes
The development and application of comprehensive rotorcraft analysis methods in the field of rotorcraft technology are described. These large scale analyses and the resulting computer programs are intended to treat the complex aeromechanical phenomena ...
Austin, Edward E., Stephens, Wendell B.
core   +1 more source

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