Results 11 to 20 of about 976,747 (247)
Capacitance Tip Timing Techniques in Gas Turbines [PDF]
, 2003 The vibration of turbomachinery blades is an important phenomenon to understand, observe and predict and is the reason for developing a tip timing measurement system.
Lawson, Craig P.
core +9 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 Testing of Tip-Timing Methods used for Blade Vibration Measurement in the Aero-Engine [PDF]
, 2004 An important component within the jet engine in terms of vibration and high cycle fatigue (HCF) is the blade. This is the component where continuously higher demands on weight and loading are being made.
Grant, Kelly
core +7 more sources
, 2022 The TIP model has been in development since 2020 and, after a pilot project in 2021, the project is now delivering a 12-month intervention across two schools and one alternative provision in south London.
Therapeutic Intervention for Peace (TIP) +6 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
doaj +1 more source
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
doaj +1 more source
Vibration analysis of compressor blade tip-rubbing [PDF]
, 2011 There has been a significant increase in air traffic volume, particularly over the past twenty years. In order to cope with this increase in demand, it has been necessary to increase the efficiency of aircraft engines.
Arzina, Dina
core +7 more sources
Insight Into Vibration Sources in Turbines
Fatigue of Aircraft Structures, 2021 Despite of nearly 100 years of turbine engine development and design, blade vibrations remain a great engineering challenge. The rotating turbine blades’ vibrations lead to cyclic oscillations, which result in alternating stress and strain in harsh ...
Moneta Grzegorz +4 more
doaj +1 more source
Applied Sciences, 2022 This paper presents an analysis of nonsynchronous rotor blade vibrations in the last stage of an LP steam turbine at various condenser pressures. The nonlinear least squares Levenberg–Marquardt method is used in a tip-timing analysis to determine ...
Romuald Rzadkowski +4 more
doaj +1 more source
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