Paint it black: Efficacy of increased wind turbine rotor blade visibility to reduce avian fatalities
Sign Up to like & getrecommendations! Published in 2020 at "Ecology and Evolution"
DOI: 10.1002/ece3.6592
Abstract: Abstract As wind energy deployment increases and larger wind‐power plants are considered, bird fatalities through collision with moving turbine rotor blades are expected to increase. However, few (cost‐) effective deterrent or mitigation measures have so… read more here.
Keywords: wind; paint black; visibility; rotor ... See more keywords
Design of mistuning patterns to control the vibration amplitude of unstable rotor blades
Sign Up to like & getrecommendations! Published in 2018 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.06.034
Abstract: Abstract Flutter onset is one of the major causes for increased vibration levels in low pressure turbine (LPT) rotor blades. This paper describes the design process and the experimental testing of intentional mistuning patterns specifically… read more here.
Keywords: vibration; mistuning patterns; intentional mistuning; rotor blades ... See more keywords
Extraction and imaging of aerodynamically generated sound field of rotor blades in the wind tunnel test
Sign Up to like & getrecommendations! Published in 2019 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2018.07.042
Abstract: Abstract The acoustic beamforming has been widely applied in the imaging of flow-induced aeroacoustic sound sources. However, the measured signals of the rotor blades often accompanied with the unwanted interference from other components of the… read more here.
Keywords: rotor; rotor blades; wind tunnel; tunnel test ... See more keywords
Systematic evaluation of the helicopter rotor blades: design variables and interactions
Sign Up to like & getrecommendations! Published in 2019 at "Aircraft Engineering and Aerospace Technology"
DOI: 10.1108/aeat-06-2018-0163
Abstract: Purpose The effects of rotor blade design variables and their mutual interactions on aerodynamic efficiency of helicopters are investigated. The aerodynamic efficiency is defined based on figure of merit (FM) and lift-to-drag responses developed for… read more here.
Keywords: rotor; rotor blade; flight; rotor blades ... See more keywords
Parameters of High-Voltage Discharges on Helicopter Rotor Blades and Related Electromagnetic Interference
Sign Up to like & getrecommendations! Published in 2020 at "Technical Physics Letters"
DOI: 10.1134/s1063785020010241
Abstract: Abstract Parameters of pulsed electric discharges arising between insulated metal parts of helicopter rotor blades, which generate electromagnetic interferences for onboard radio stations operating in the very short wave (VSW) and ultrashort wave (USW) bands… read more here.
Keywords: high voltage; voltage discharges; helicopter rotor; rotor blades ... See more keywords