Paint it black: Efficacy of increased wind turbine rotor blade visibility to reduce avian fatalities. [PDF]
Ecol Evol, 2020 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 far been
May R +5 more
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Unsteady CFD simulation of a rotor blade under various wind conditions. [PDF]
Sci RepWind and gusts can significantly impact the performance of rotors and turbines. The transient behavior of the rotor should be carefully examined to account for these effects.
Kasmaiee S, Kasmaiee S, Farshad A.
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A novel twisted rotor blade suitable for high-speed turbomolecular pumps: Numerical modelling and structural optimisation [PDF]
HeliyonTo meet the urgent need for a new design concept and solve the inaccuracy of existing performance prediction algorithms for high-speed turbomolecular pumps (TMPs), a new algorithm based on a novel twisted rotor blade is proposed.
Kun Sun +7 more
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Experimental Study on the Effect of Different Parameters on Rotor Blade Icing in a Cold Chamber
Applied Sciences, 2020 Icing phenomenon is an important problem in helicopter rotor design. Conducting experiments in a cold chamber is one of the main methods used to study the law of rotor icing.
Zhengzhi Wang, Chunling Zhu, Ning Zhao
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Applied Sciences, 2022 This paper presents an analysis of nonsynchronous rotor blade vibrations in the last stage of an LP steam turbine at various condenser pressures. The nonlinear least squares Levenberg–Marquardt method is used in a tip-timing analysis to determine ...
R. Rządkowski +4 more
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The Effect of Rotor Geometry on Particle Size Characteristics for Knife-milled Wheat Straw
Chemical Engineering Transactions, 2023 The paper aimed to experimentally identify the effect of rotor blade geometry on particle size characteristics for the knife-milled wheat straw of 12.5 wt % moisture content.
Lukas Kratky +4 more
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Effect of Non-Uniformity of Rotor Stagger Angle on the Stability of a Low-Speed Axial Compressor
Energies, 2022 It is well known that variations in stagger angle between rotor blades affect compressor performance. In this paper, the stagger angle of blade No. 8 is increased or decreased by six degrees for non-uniformity, and the influence of rotor non-uniformity ...
Shuai Ma, Jun Hu, Xuegao Wang, Jiajia Ji
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The structural optimum design of laminated slender beam section with arbitrary material distribution using a genetic algorithm [PDF]
INCAS Bulletin, 2019 In this paper, a study on optimum design methodology of a section structure of a composite material rotor blade using genetic algorithm is conducted, in order to calculate repetitive optimum design, analysis of strength, fatigue and vibration on blade ...
Sang Ho AHN, Jun Hwan JANG
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Energy Reports, 2023 In this experimental study, two three-bladed rotors with a blade aspect ratio of 7.79 and 9.74 representing a 25% increase were tested. Each blade contains an S809 airfoil with zero pre-built twist and 20 high-performance synthetic jet actuators ...
Victor Maldonado +4 more
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On the dynamic response of a hingeless helicopter rotor blade
, 2021 The intense nature of the aerodynamic environment surrounding a helicopter can cause excessive deflection of the rotor blades. Therefore, proper prediction of the aerodynamic loading and the blade deflection are necessary for monitoring the blade health.
Pratik Sarker, Uttam K. Chakravarty
semanticscholar +1 more source