Prediction of Compressor Blade Erosion Experiments in a Cascade Based on Flat Plate Specimen
Erosion is an essential deterioration mechanism in compressors of jet engines. Erosion damage predictions require the determination of erosion rates through flat plate experiments.
Max Lorenz +4 more
doaj +1 more source
Fault Analysis of a Small PV/Wind Farm Hybrid System Connected to the Grid
The dynamic modeling, control, and simulation of renewable energy sources connected to the electrical grid are investigated in this study. Photovoltaic (PV) systems and wind systems connected to the power grid via the point of common connection (PCC ...
Bilel Dhouib +3 more
doaj +1 more source
The effect of rotor design on the fluid dynamics of helicopter brownout [PDF]
Helicopters operating close to the ground in dusty environments tend to generate large clouds of dust in the surrounding air. These clouds can obscure the pilot's view of the ground and lead to a dangerous condition known as brownout.
Brown, R.E. +4 more
core +3 more sources
Modelling the aerodynamics of coaxial helicopters : from an isolated rotor to a complete aircraft [PDF]
This paper provides an overview of recent research on the aerodynamics of coaxial rotors at the Rotorcraft Aeromechanics Laboratory of the Glasgow University Rotorcraft Laboratories.
Brown, Richard E., Kim, Hyo Won
core +4 more sources
Wind turbine wake measurements with automatically adjusting scanning trajectories in a multi-Doppler lidar setup [PDF]
In the context of the Perdigão 2017 experiment, the German Aerospace Center (DLR) deployed three long-range scanning Doppler lidars with the dedicated purpose of investigating the wake of a single wind turbine at the experimental site.
N. Wildmann, N. Vasiljevic, T. Gerz
doaj +1 more source
Design of Meteorological Element Detection Platform for Atmospheric Boundary Layer Based on UAV
Among current detection methods of the atmospheric boundary layer, sounding balloon has disadvantages such as low recovery and low reuse rate, anemometer tower has disadvantages such as fixed location and high cost, and remote sensing detection has ...
Yonghong Zhang +2 more
doaj +1 more source
Minor rotor tines and knives soil interaction. Total power calculation for minor rotor drive
Introduction. The problem of fast and high-quality road construction, when economic facilities and settlements are spatially separated, located at a considerable distance from each other, cannot be solved without the use of a complex of continuous units.
V. A. Nikolaiev
doaj +1 more source
Low-Altitude Aerial Methane Concentration Mapping
Detection of leaks of fugitive greenhouse gases (GHGs) from landfills and natural gas infrastructure is critical for not only their safe operation but also for protecting the environment.
Bara J. Emran +2 more
doaj +1 more source
Instability zones for isotropic and anisotropic multiblades rotor configurations [PDF]
Helicopter ground resonance is an unstable dynamic phenomenon which can lead to the total destruction of the aircraft during take-off or landing phases. The earliest research in this domain was done by Coleman and Feingold around the 60's decade.
Leonardo Sanches +9 more
core +1 more source
WLI, XPS and SEM/FIB/EDS Surface Characterization of an Electrically Fluted Bearing Raceway
Electrical bearing currents may disturb the performance of the bearings via electro-corrosion if they surpass a limit of ca. 0.1 to 0.3 A/mm2. A continuous current flow, or, after a longer time span, an alternating current or a repeating impulse-like ...
Omid Safdarzadeh +4 more
doaj +1 more source

