Blade Serial Number Identification Based on Blade Tip Clearance without OPR Sensor [PDF]
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 +2 more sources
Blade by Blade Tip Clearance Measurement [PDF]
International Journal of Rotating Machinery, 2011 This paper describes a capacitance-based tip clearance measurement system which engineers have used in the most demanding turbine test applications.
A. G. Sheard
doaj +2 more sources
Numerical Investigation on the Influence of Turbine Rotor Parameters on the Eddy Current Sensor for the Dynamic Blade Tip Clearance Measurement [PDF]
SensorsEddy current sensors are increasingly being used to measure the dynamic blade tip clearance in turbines due to their robust anti-interference capabilities and non-contact measurement advantages.
Lingqiang Zhao +4 more
doaj +2 more sources
A Machine Vision Method for Identifying Blade Tip Clearance in Wind Turbines [PDF]
SensorsThis paper introduces a machine vision method for measuring the blade tip clearance in a wind turbine. An industrial personal computer (IPC) is installed in the nacelle of the wind turbine to continuously receive video data from a digital camera mounted ...
Le Zhang, Jiadan Wei
doaj +2 more sources
Simulating eddy current sensor outputs for blade tip timing [PDF]
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
doaj +2 more sources
Experimental Investigation of Inductive Sensor Characteristic for Blade Tip Clearance Measurement at High Temperature [PDF]
Sensors, 2019 Turbine tip clearance of aero-engine is important to engine performance. Proper tip clearance can reduce the gas leakage over turbine blade tips and improve the engine efficiency of turbo machinery and reduce the fuel consumption. Therefore, accurate tip
Zhenxia Liu +3 more
doaj +2 more sources
High-temperature resistant resonant cavity microwave sensor for precision blade tip clearance monitoring in aeroengines [PDF]
Scientific ReportsIn the aerospace field, accurate measurement of the blade tip clearance of aeroengines is highly important for enhancing engine performance and ensuring flight safety.
Haolin Sun
doaj +2 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
Assessing the rotor blade deformation and tower–blade tip clearance of a 3.4 MW wind turbine with terrestrial laser scanning [PDF]
Wind Energy Science, 2023 Wind turbines have grown in size in recent years, making efficient structural health monitoring of all of their structures even more important. Wind turbine blades deform elastically under the loads applied to them by wind and inertial forces acting on ...
P. Helming +6 more
doaj +1 more source
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
doaj +1 more source