Results 51 to 60 of about 192,046 (260)

AQUIFER Nano-Electrofuel Energy Economy and Powered Aircraft Operations [PDF]

open access: yes
The Aqueous, QUick-charging battery Integration For Electric flight Research project is explained and the major subsystems are described, including nano-electric fluid, rim-driven motors, and integration concepts. The nano-electric fluid concept is a new
Lechniak, Jason A.   +4 more
core   +1 more source

The F-18 systems research aircraft facility [PDF]

open access: yes
To help ensure that new aerospace initiatives rapidly transition to competitive U.S. technologies, NASA Dryden Flight Research Facility has dedicated a systems research aircraft facility.
Sitz, Joel R.
core   +1 more source

Instrumentation for measuring aircraft noise and sonic boom [PDF]

open access: yes, 1976
Improved instrumentation suitable for measuring aircraft noise and sonic booms is described. An electric current proportional to the sound pressure level at a condenser microphone is produced and transmitted over a cable and amplified by a zero drive ...
Zuckerwar, A. J.
core   +1 more source

Autonomous take-off and landing of a tethered aircraft: a simulation study

open access: yes, 2015
The problem of autonomous launch and landing of a tethered rigid aircraft for airborne wind energy generation is addressed. The system operates with ground-based power conversion and pumping cycles, where the tether is repeatedly reeled in and out of a ...
Fagiano, Lorenzo   +2 more
core   +1 more source

Research on dual‐winding permanent magnet generator system with integrated dual‐channel controller

open access: yesIET Electric Power Applications
This article presents a dual‐winding permanent magnet generator (PMG) system with integrated dual‐channel controller to meet the requirements of high power density, high reliability, and high output performance of aircraft electric power system. The dual‐
Jianbin Han, Zhuoran Zhang
doaj   +1 more source

Real-time simulation of an F110/STOVL turbofan engine [PDF]

open access: yes
A traditional F110-type turbofan engine model was extended to include a ventral nozzle and two thrust-augmenting ejectors for Short Take-Off Vertical Landing (STOVL) aircraft applications.
Drummond, Colin K., Ouzts, Peter J.
core   +1 more source

The Growth of Legal Aid Work [PDF]

open access: yes, 1935
This thesis presents an aircfaft concept, The Joyride, supposed to satisfy the future demand for sustainable hobby aircrafts.  The work was done through research on evironmental friendly aircfaft complimented by lectures on aircfaft dynamics held by ...
Jufors, Gustav, Kring, Mårten
core   +1 more source

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