GRID3C: Computer program for generation of C type multilevel, three dimensional and boundary conforming periodic grids [PDF]
A fast computer program, GRID3C, was developed for accurately generating periodic, boundary conforming, three dimensional, consecutively refined computational grids applicable to realistic axial turbomachinery geometries. The method is based on using two
Dulikravich, D. S.
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A Dynamic RCS and Noise Prediction and Reduction Method of Coaxial Tilt-Rotor Aircraft Based on Phase Modulation. [PDF]
Wang Z, Huang J, Yi M, Lu S.
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An Exploration of the Performance and Acoustic Characteristics of UAV-Scale Stacked Rotor Configurations [PDF]
As interest grows in rotor- and propeller-driven electric vertical takeoff and landing (eVTOL) aircraft for the Urban Air Mobility market, there is a potential for previously studied concepts to reemerge due to the opportunities afforded by novel ...
Fei, Xiaofan +5 more
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Research on Attitude Detection and Flight Experiment of Coaxial Twin-Rotor UAV. [PDF]
You D, Hao Y, Xu J, Yang L.
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Satellite-aided mobile communications limited operational test in the trucking industry [PDF]
An experiment with NASA's ATS-6 satellite, that demonstrates the practicality of satellite-aided land mobile communications is described. Satellite communications equipment for the experiment was designed so that it would be no more expensive, when mass ...
Anderson, R. E. +2 more
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Modeling and Robust Tracking Decoupling Control of a Coaxial Unmanned Helicopter Based on the Improved Alternating Direction Method of Multipliers. [PDF]
Xu A, Wang F, Chen M.
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Performance driven multi objective optimization of 2 MW integrated Pseudo Direct Drive permanent magnet synchronous wind generator. [PDF]
Abdeljalil D +4 more
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Research on power flow of encased differential gear train in coaxial contra-rotating gearbox. [PDF]
Zhang D, Zhu R, Zhang W, Cui J, Ma L.
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Coaxial Compound Helicopter for Confined Urban Operations [PDF]
A rotorcraft was designed for military operations in a confined urban environment. The specifications included major increases in useful load, range, and speed relative current aircraft capabilities, with a size constraint based on the dimensions of ...
Elmore, Joshua F. +4 more
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An Unscented Kalman Filter Based on the Adams-Bashforth Method with Applications to the State Estimation of Osprey-Type Drones Composed of Tiltable Rotor Mechanisms. [PDF]
Watanabe K, Takeda S, Nagai I.
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