Results 71 to 80 of about 7,872 (156)
A novel coaxial magnetic gear using bulk HTS for industrial applications [PDF]
, 2010 In this paper, a novel coaxial magnetic gear (CMG) using bulk high temperature superconductors (HTS) is proposed. By substituting bulk HTS for ferromagnetic material, a novel stationary ring is resulted, which can not only provide the desired field ...
Chau, KT, Jian, L, Li, J, Li, W
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A coaxial magnetic gear with halbach permanent-magnet arrays [PDF]
, 2010 This paper proposes a coaxial magnetic gear that offers higher torque density, lower cogging torque, and lower iron losses than its counterparts. The key is to newly employ a Halbach permanent-magnet (PM) array to constitute the PM poles in the inner ...
Chau, KT, Jian, L
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Reliability model for planetary gear [PDF]
A reliability model is presented for planetary gear trains in which the ring gear is fixed, the Sun gear is the input, and the planet arm is the output.
Coy, J. J., Paridon, C. A., Savage, M.
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Jixie chuandongObjectiveAiming at the struts, the key components for the installation and support of helicopter main reducers, the research progress of conventional struts and intelligent struts is analyzed in combination with the development trend of strut structures.
LI Miaomiao +3 more
doaj
Computational Study of NASA's Quadrotor Urban Air Taxi Concept [PDF]
High-fidelity computational fluid dynamics simulations have been carried out in order to analyze NASA's quadrotor urban air taxi concept for urban air mobility, also know as on-demand mobility applications. High-order accurate schemes, dual-time stepping,
Ventura Diaz, Patricia, Yoon, Seokkwan
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Ground resonance analysis using a substructure modeling approach [PDF]
, 1985 A convenient and versatile procedure for modeling and analyzing ground resonance phenomena is described and illustrated. A computer program is used which dynamically couples differential equations with nonlinear and time dependent coefficients.
Austin, E. E., Berman, A., Chen, S. Y.
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Influence of configuration effects on multiple burst simulation testing [PDF]
During the initial phase of a lightning strike attachment on an aircraft, fast current pulses (rise time approximately 100 ns, I(sub max) approximately few kA) were measured, which can create equipment upsets or disturbances.
Cantaloube, M., Emanuely, J. L.
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Design study of TDRS antenna gimbal system for LANDSAT-D [PDF]
The conceptual design studies of a two axis antenna drive assembly for the TDRSS link communications subsystem for LANDSAT D are presented. The recommended antenna drive assembly is a simple and reliable design substantially similar to the antenna and ...
Wu, J.
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Antenna pattern shaping, sensing, and steering study Final report [PDF]
Design of steerable satellite antenna with beam pattern sensing ...
Bigelow, S. C. +4 more
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Design and fabrication of coaxial micro helicopter [PDF]
, 2012 In this thesis the design of a coaxial micro helicopter is presented and based on the design, a model is fabricated. The thesis starts with the introduction on the previous models of micro helicopters like the Coax and the Epson.
Mishra, Pratik
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