Damage Detection for Rotating Blades Using Digital Image Correlation with an AC-SURF Matching Algorithm [PDF]
Sensors, 2022 The motion information of blades is a key reflection of the operation state of an entire wind turbine unit. However, the special structure and operation characteristics of rotating blades have become critical obstacles for existing contact vibration ...
Gang Liu, Mengzhu Li
exaly +4 more sources
Wavelet Transform-Based Damage Identification in Bladed Disks and Rotating Blades [PDF]
Shock and Vibration, 2018 Blade vibration and blade clearance are effective diagnostic features for the identification of blade damage in rotating machines. Blade tip-timing (BTT) is a noncontact method that is often used to monitor the vibration and clearance of blades in a ...
P. Rajendran +3 more
doaj +5 more sources
CNN-based defect diagnosis method for rotating blades
You-qi chuyun, 2020 In order to solve the problem of difficult blade defect diagnosis caused by severe signal under-sampling in tiptiming technology, a defect diagnosis method for rotating blade based on convolution neural network (CNN) was proposed.In the method, the under-
Jiwang ZHANG +3 more
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Real-Time Detection of Faults in Rotating Blades Using Frequency Response Function Analysis
Applied Mechanics, 2023 Turbo machines develop faults in the rotating blades during operation in undesirable conditions. Such faults in the rotating blades are fatigue cracks, mechanical looseness, imbalance, misalignment, etc.
Ravi Prakash Babu Kocharla +2 more
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Blade dynamic stress analysis of rotating bladed disks [PDF]
Applied and Computational Mechanics, 2007 The paper deals with mathematical modelling of steady forced bladed disk vibrations and with dynamic stress calculation of the blades. The blades are considered as 1D kontinuum elastic coupled with three-dimensional elastic disk centrally clamped into ...
Kellner J., Zeman V.
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Operational deflection shape measurements on rotating bladed disks with tracking continuous-scanning LDV [PDF]
Scientific ReportsThe high-speed rotation and complex operational environment of rotating bladed disks make it difficult for traditional contact measurement techniques to achieve effective, non-interfering, and continuous monitoring of their full-field dynamic responses ...
Cuihong Liu +4 more
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Studying the Thermal Influence on the Vibration of Rotating Blades
Measurement Science Review, 2022 Computing the vibrating characteristics of any machine or structure is a necessary process that should be performed by the mechanical engineers that work in engineering design field to avoid the collapse under different kinds of applied loads.
Abbas Abbas Fadhil, Hamzah Adawiya Ali
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Research on Optimizing Selection and Optimizing Matching Technologies of Aeroengine Fan Rotor Blades
Shock and Vibration, 2021 Aiming at the problem of low resources utilization of rotating blades in the selection process of aeroengine fan rotor blades, this paper takes the first-order bending dispersion, first-order torque dispersion, and gravitational moment difference of ...
Lili Li +4 more
doaj +1 more source
Magnetoelastic Ribbons as Vibration Sensors for Real-Time Health Monitoring of Rotating Metal Beams
Sensors, 2021 In the current work, magnetoelastic material ribbons are used as vibration sensors to monitor, in real time and non-destructively, the mechanical health state of rotating beam blades.
Georgios Samourgkanidis +1 more
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Modelling of Work of the Rotor-Type Blade Pump with Revolving Stator
International Journal of Applied Mechanics and Engineering, 2021 In the article, the analytical dependences of modelling the cell cross-sectional area between two adjacent blades of a rotary blade pump and capacity for a pump with fixed and rotating stators are given, and analytical dependences are derived to model ...
V.T. Dmytriv +3 more
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