Results 11 to 20 of about 725,998 (282)
Simulating eddy current sensor outputs for blade tip timing
Advances in Mechanical Engineering, 2018 Blade tip timing is a contactless method used to monitor the vibration of blades in rotating machinery. Blade vibration and clearance are important diagnostic features for condition monitoring, including the detection of blade cracks.
Nidhal Jamia +3 more
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Multi-Stage Robust Bayesian High-Resolution Identification of Asynchronous Blade Vibrations Using Blade Tip Timing [PDF]
EntropyBlade Tip Timing (BTT) is an essential non-contact technique for monitoring vibrations in rotating machinery, but its practical accuracy is often degraded by noise, undersampling, and spectral leakage.
Qinglei Zhang, Xiwen Chen
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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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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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Landing control of a magnetically actuated robotic catheter on beating heart surface [PDF]
Scientific ReportsIn this paper, the problem of a magnetically actuated robotic catheter landing on a beating heart surface for the robotic catheter ablation procedure is addressed.
Ran Hao, M. Cenk Cavuşoğlu
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Tip timing techniques for turbomachinery HCF condition monitoring [PDF]
, 2002 High Cycle Fatigue (HCF) has been established as the major common failure mode in the US Air Force large fleet of aero-engines. Corrective measures for this failure mode in themselves deliver additional technical, managerial and cost pressures. Two responses are in place to address this problem; risk mitigation through accelerated engine development ...
Ivey, P. C. +2 more
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An Improved Blade Vibration Parameter Identification Method considering Tip Clearance Variation
Shock and Vibration, 2021 Blade tip timing (BTT) technology is the most effective means for real-time monitoring of blade vibration. Accurately extracting the time of blade tip reaching the sensors is the key to ensure the accuracy of the BTT system. The tip clearance changes due
Liang Zhang, Qidi Wang, Xin Li
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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
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Mode family identification of a blisk by tip timing measurements [PDF]
, 2011 The study consists in tip timing measurements to identify a mode belonging to a certain family (flexural, torsional, etc). It can be performed placing different probes over blade tip profile and, thus, relating its deformed state with a mode family. The identification is performed for modes generating either standing or travelling wave response.
Kharyton, Vsevolod +3 more
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Blade Serial Number Identification Based on Blade Tip Clearance without OPR Sensor
Shock and Vibration, 2021 Blade serial number identification is one of the key issues in blade tip-timing vibration measurement without once-per-revolution (OPR) sensor. In order to overcome the shortcomings of the existing blade serial number identification methods without OPR ...
Liang Zhang +3 more
doaj +1 more source