Results 81 to 90 of about 174,019 (210)
Challenges and Opportunities of Very Light High-Performance Electric Drives for Aviation
Energies, 2018 The demand for alternative fueling methods to reduce the need for fossil fuels is not limited to the electrification of ground vehicles. More-electric and all-electric aircraft pose challenges, with extensive requirements in terms of power density ...
Markus Henke +8 more
doaj +1 more source
Hybrid electric propulsion systems for skydiving aircraft [PDF]
• Show viability of hybrid electric and all-electric aircraft concept for skydiving missions. • Push forward, investment in new electrical propulsion technology equipped light commuter category ...
Galea, Michael +3 more
core
Flight test validation of a design procedure for digital autopilots [PDF]
, 1983 Commercially available general aviation autopilots are currently in transition from an analogue circuit system to a computer implemented digital flight control system.
Bryant, W. H.
core +1 more source
Mission Analysis and Aircraft Sizing of a Hybrid-Electric Regional Aircraft [PDF]
The purpose of this study was to explore advanced airframe and propulsion technologies for a small regional transport aircraft concept (approximately 50 passengers), with the goal of creating a conceptual design that delivers significant cost and ...
Aerospace Systems Design Laboratory +24 more
core +2 more sources
Advanced Science, EarlyView.A Janus‐like bio‐inspired strategy is proposed for integrally 3D‐printed bimetallic metamaterials. Inspired by shell bilayers, a heat‐resistant AlSiFeMnNiMg alloy and a SiC‐reinforced AlSi10Mg with different SiC volume fractions are arranged as an architected pair.
Zhicheng Dong +5 more
wiley +1 more source
Optimization of an Air Core Dual Halbach Array Axial Flux Rim Drive for Electric Aircraft [PDF]
The anticipated development of the on-demand-mobility (ODM) market has accelerated the development of electric aircraft. Most proposed electric aircraft have propulsion systems that consist of fans directly driven by electric motors. The lower complexity
Cameron, Zachary A. +2 more
core +1 more source
Primary electric power generation systems for advanced-technology engines [PDF]
, 1983 The advantages of the all electric airplane are discussed. In the all electric airplane the generator is the sole source of electric power; it powers the primary and secondary flight controls, the environmentals, and the landing gear. Five candidates for
Cronin, M. J.
core +1 more source
Advanced Science, EarlyView.A thermally programmable two‐port non‐Hermitian acoustic metastructure is presented, where temperature acts as a non‐geometric tuning variable. Thermal modulation reconfigures impedance matching and loss‐leakage coupling, enabling exceptional‐point driven, broadband, and direction‐dependent sound absorption without requiring geometric reconfiguration ...
Zichao Guo +6 more
wiley +1 more source
Advanced secondary power system for transport aircraft [PDF]
A concept for an advanced aircraft power system was identified that uses 20-kHz, 440-V, sin-wave power distribution. This system was integrated with an electrically powered flight control system and with other aircraft systems requiring secondary power ...
Beach, R. F. +6 more
core +1 more source
High Specific Power Electrical Machines: A System Perspective [PDF]
, 2019 There has been a growing need for high specific power electrical machines for a wide range of applications. These include hybrid/electric traction applications, aerospace applications and Oil and Gas applications.
EL-Refaie, Ayman M., Osama, Mohamed
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