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Keywords: blade tip timing
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Journal Articles

A Keyphasor-Free Traveling Waves Analysis Method Based on Blade Tip Timing and Experimental Validation

Yiming Meng, Zhicheng Xiao, Pengfei Chai, Shang Wang, Xiaocheng Zhu, Hua Ouyang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021014.
Paper No: GTP-24-1412
https://doi.org/10.1115/1.4066351
Published Online: September 27, 2024
...Yiming Meng; Zhicheng Xiao; Pengfei Chai; Shang Wang; Xiaocheng Zhu; Hua Ouyang Vibration-induced high-cycle fatigue of blades is a prevalent issue in turbomachinery. Blade tip timing (BTT) emerges as a nonintrusive, promising method for assessing blade vibration. Despite its potential, BTT's...
View Article titled, A Keyphasor-Free Traveling Waves Analysis Method Based on <span class="search-highlight">Blade</span> <span class="search-highlight">Tip</span> <span class="search-highlight">Timing</span> and Experimental Validation
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Topics: Blades, Displacement, Sensors, Traveling waves, Vibration
Journal Articles

Dynamic Strain Reconstruction of Rotating Blades Based on Tip Timing and Response Transmissibility

Chunyan Ao, Baijie Qiao, Meiru Liu, Shunguo Fu, Zhibo Yang, Xuefeng Chen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2022, 144(6): 061011.
Paper No: GTP-21-1338
https://doi.org/10.1115/1.4054220
Published Online: May 20, 2022
...Chunyan Ao; Baijie Qiao; Meiru Liu; Shunguo Fu; Zhibo Yang; Xuefeng Chen Dynamic strain of rotating blades is critical in turbomachinery health monitoring and residual life evaluation. Though the blade tip timing (BTT) technique is promising to replace traditional strain gages, the lack...
View Article titled, Dynamic Strain Reconstruction of Rotating Blades Based on Tip Timing and Response Transmissibility
Open the PDF for Dynamic Strain Reconstruction of Rotating Blades Based on Tip Timing and Response Transmissibility in another window
Topics: Blades, Displacement, Resonance, Rotating blades, Mode shapes, Rotors
Journal Articles

Optimization of Nonuniform Sensor Placement for Blade Tip Timing Based on Equiangular Tight Frame Theory

Zhiwei Zhang, Pengfei Chai, Yong Chen, Jie Tian, Hua Ouyang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111021.
Paper No: GTP-21-1304
https://doi.org/10.1115/1.4051963
Published Online: October 5, 2021
...Zhiwei Zhang; Pengfei Chai; Yong Chen; Jie Tian; Hua Ouyang Blade tip timing (BTT) data are usually an under-sampled signal and are vulnerable to noise and sensor failures. In this paper, based on an arbitrary-angle compressed-sensing method and equiangular tight frame theory, combined...
View Article titled, Optimization of Nonuniform Sensor Placement for <span class="search-highlight">Blade</span> <span class="search-highlight">Tip</span> <span class="search-highlight">Timing</span> Based on Equiangular Tight Frame Theory
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Topics: Algorithms, Blades, Optimization, Sensor placement, Sensors, Signals, Signal reconstruction, Vibration, Redundancy (Engineering), Failure