State-Space Model for Arrival Time Simulations and Methodology for Offline Blade Tip-Timing Software Characterization [PDF]
Sensors, 2023 Blade tip-timing is an extensively used technique for measuring blade vibrations in turbine and compressor stages; it is one of the preferred techniques used for characterizing their dynamic behaviors using non-contact probes.
Tommaso Tocci +4 more
doaj +5 more sources
A Blade Tip Timing Method Based on a Microwave Sensor [PDF]
Sensors, 2017 Blade tip timing is an effective method for blade vibration measurements in turbomachinery. This method is increasing in popularity because it is non-intrusive and has several advantages over the conventional strain gauge method.
Jilong Zhang +4 more
doaj +5 more sources
Experimental Investigation on Hardware and Triggering Effect in Tip-Timing Measurement Uncertainty [PDF]
Sensors, 2023 Non-destructive testing for structural health monitoring is becoming progressively important for gas turbine manufacturers. As several techniques for diagnostics and condition-based maintenance have been developed over the years, the tip-timing approach ...
Lorenzo Capponi +4 more
doaj +5 more sources
An Optical Fiber Bundle Sensor for Tip Clearance and Tip Timing Measurements in a Turbine Rig [PDF]
Sensors, 2013 When it comes to measuring blade-tip clearance or blade-tip timing in turbines, reflective intensity-modulated optical fiber sensors overcome several traditional limitations of capacitive, inductive or discharging probe sensors.
María Asunción Illarramendi +5 more
doaj +6 more sources
Vibration Parameters Identification of Rotating Blades Based on Blade Tip-Timing Sensor Waveforms
Applied Sciences, 2023 Blade tip-timing is one of the most widely used non-contact measurement methods for rotating blade vibration. The classic blade tip-timing method is to identify the vibration parameters of the blade based on the time of blade tip arrival to the tip ...
Liang Zhang, Qidi Wang, Xin Li
doaj +4 more sources
A Blade Defect Diagnosis Method by Fusing Blade Tip Timing and Tip Clearance Information [PDF]
Sensors, 2018 Blade tip timing (BTT) technology is considered the most promising method for blade vibration measurements due to the advantages of its simplicity and non-contact measurement capacity.
Ji-wang Zhang +2 more
doaj +3 more sources
Identification of Vibration Events in Rotating Blades Using a Fiber Optical Tip Timing Sensor [PDF]
Sensors, 2019 The blade tip timing (BTT) technique has been widely used in rotation machinery for non-contact blade vibration measurements. As BTT data is under-sampled, it requires complicated algorithms to reconstruct vibration parameters.
Dechao Ye +5 more
doaj +2 more sources
Experimental Investigation: Vibration Measurement of a Rotating Blade with Digital Image Correlation and Blade Tip-Timing [PDF]
Micromachines, 2022 High cycle fatigue has been known as an important form of aeroengine blade failure. This study aims to achieve a method of investigation for a rotating blade vibration measurement, combining the two non-contact optical techniques of digital image ...
Zhonghan Liang, Yuxiang Zhang, Lin Yue
doaj +2 more sources
Anisotropic Magnetoresistive Sensors: Dynamic Modeling and Characterization for Blade Tip-Timing Measurements [PDF]
SensorsMonitoring of blade vibrations in turbomachinery equipped with ferromagnetic blades is currently performed using the Blade Tip-Timing (BTT) non-contact technique.
Daniele Busti +4 more
doaj +2 more sources
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
doaj +2 more sources