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Design and Uncertainty Evaluation of a Calibration Setup for Turbine Blades Vibration Measurement [PDF]
SensorsTurbomachinery engines face significant failure risks due to the combination of thermal loads and high-amplitude vibrations in turbine and compressor blades.
Lorenzo Capponi +8 more
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Research on Blade Asynchronous Vibration Parameter Identification for Large-Scale Centrifugal Compressor Based on Improved MUSIC Algorithm [PDF]
SensorsBlade tip timing (BTT) is a core technique for investigating the blade vibration of large-scale centrifugal compressors, and identifying the parameters of blade asynchronous vibration is crucial for implementing blade condition monitoring based on the ...
Zhenfang Fan +4 more
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Development of a Simulation Model for Blade Tip Timing with Uncertainties
AerospaceBlades are widely used in the engines of aerospace vehicles, fans of near-space aerostat, and other equipment, and they are the key to completing energy conversion and pressure adjustment of the capsule.
Kang Chen +3 more
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Review of research on tip-timing and tip clearance measurement technology
Journal of Hebei University of Science and Technology, 2021 Turbine blades will fail due to fatigue fracture caused by vibration at high-speed rotation,resulting in damage of rotating machinery.Blade tip-timing measurement technology is the most promising non-contact blade vibration real-time monitoring method at
Liang ZHANG +3 more
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Flow and Vibration in the Small Steam Turbine Last Stage [PDF]
MATEC Web of Conferences, 2022 The paper deals with evaluation of experimental data obtained from the real-size 30 MW output Waste to Energy steam turbine. For many turbine regimes pressures in the last stage area were obtained.
Hoznedl Michal +2 more
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A comparison of blade tip timing data analysis methods [PDF]
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 2001 The experimental determination of the vibration characteristics of rotating engine blades is very important for fatigue failure considerations. One of the most promising techniques for measuring the frequency of blade vibrations is blade tip timing.
Carrington, I. B. +3 more
openaire +3 more sources
Applied Sciences, 2023 A new method for the synchronous vibration parameter identification of constant-speed rotating blades based on blade tip clearance (BTC) measurement and blade tip timing (BTT) is introduced.
Liang Zhang +4 more
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Rotating blade vibration parameter identification based on genetic algorithm
Advances in Mechanical Engineering, 2023 In this paper, aiming at the identification of blade vibration parameters such as constant speed synchronization, constant speed asynchronous, and variable speed synchronization, the simulation platform Simulink is used to model the blade vibration ...
Shen Xiangxiang, Chen Guo, Liu Fuhai
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Machines, 2021 A turbomachine is a fundamental engineering apparatus meant to transfer energy between a rotor and a fluid. Turbomachines are the core of power generation in many engineering applications such as electric power generation plants, aerospace, marine power,
Alessandro Paolo Daga +3 more
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A Blade Dynamic Strain Inversion Method for Rotating Blades Based on Blade Tip Timing
Journal of Physics: Conference Series, 2021 Abstract Based on the vibration response transfer ratio and Natural Neighbor Interpolation (NNI), the research on the noncontact inversion method of dynamic strain of high-speed rotating blades is carried out. The high-speed rotating blade is analyzed through the motion equation, and the correction method of the transfer ratio is ...
Haonan Guo +6 more
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