Results 71 to 80 of about 233 (128)

Methods for Validation of a Turbomachinery Rotor Blade Tip Timing System

open access: yes, 2014
This research developed two innovative test methods that were used to experimentally evaluate the performance of a novel blade tip timing (BTT) system from Prime Photonics, LC.
Pickering, Todd Michael
core  

Blade Tip Timing Technique: Theoretical Principles and Simulation of an Experimental Test

open access: yes, 2015
The Blade Tip Timing (BTT) is a technique that measures the vibration amplitude and frequency of the blades of bladed disks by using a set of probes. The objective of the thesis is to compare the accuracy of the different methods proposed in literature ...
Giovanni Rigosi (7985789)
core  

旋转叶片异步振动参数辨识方法及试验验证

open access: yesJixie qiangdu, 2021
Based on the principle of blade tip timing( BTT) and the vibration principle of one degree of freedom,the parameter identification algorithm of rotating blade asynchronous vibration is established by using all phase FFT( apFFT) and least square method ...
王茜, 雷晓波
doaj  

Multiple Frequency Analysis Methods for Blade Tip-Timing Data Analysis

open access: yes, 2004
peer reviewedBlade Tip-Timing (BTT) is a method for the measurement of blade vibration in rotating bladed assemblies such as those found in turbomachinery. The system aims to replace strain gauge technology.
Gallego-Garrido, Jon   +1 more
core   +1 more source

Nonlinear Vibrations of Low Pressure Turbine Bladed Disks: Tests and Simulations

open access: yesApplied Sciences
One of the most effective methods to limit the mechanical vibrations of bladed disks is the use of friction damping at mechanical joint interfaces. Unfortunately, dedicated tests to assess the impact of mistuning and the effectiveness of friction dampers
Umidjon Usmanov   +5 more
doaj   +1 more source

Blade tip timing signals parameters identification based on Displacement Offset Decreased and Compressed Sensing

open access: yesAdvances in Mechanical Engineering
High-speed rotating blade vibration monitoring is of great significance for the safe operation of turbomachinery. Blade Tip Timing (BTT) is considered a promising technology in the field of blade vibration monitoring.
Jiajing Guo, Lin Yue
doaj   +1 more source

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