Turbine blade vibration measurement methods for turbocharges

G Janicki, A Pezouvanis, BA Mason, KM Ebrahimi - 2014 - bradscholars.brad.ac.uk
This paper presents and compares the most important and often used methods to measure
turbine blade vibrations: use of strain gauges and telemetry system which is an intrusive …

[PDF][PDF] Blade tip-timing technology with multiple reference phases for online monitoring of high-speed blades under variable-speed operation

Z Ji-wang, Z Lai-bin, D Ke-Qin… - Measurement Science …, 2018 - sciendo.com
High-speed blades form core mechanical components in turbomachines. Research
concerning online monitoring of operating states of such blades has drawn increased …

Architecture for measuring blade tip clearance and time of arrival with multiple sensors in airplane engines

JM Gil-García, J Zubia… - International Journal of …, 2018 - Wiley Online Library
The performance of airplane engines is influenced by the performance of their bladed disks.
The loads those engines are under, both internal and external, are the origin of vibrations …

Bladed wheels damage detection through Non-Harmonic Fourier Analysis improved algorithm

P Neri - Mechanical Systems and Signal Processing, 2017 - Elsevier
Recent papers introduced the Non-Harmonic Fourier Analysis for bladed wheels damage
detection. This technique showed its potential in estimating the frequency of sinusoidal …

Non-harmonic fourier analysis for bladed wheels damage detection

P Neri, B Peeters - Journal of Sound and Vibration, 2015 - Elsevier
The interaction between bladed wheels and the fluid distributed by the stator vanes results
in cyclic loading of the rotating components. Compressors and turbines wheels are subject …

[PDF][PDF] 涡轮增压器叶片高低周疲劳寿命特性分析

崔璐, 刘阳, 王澎, 罗浩, 魏文澜, 李臻 - 科学技术与工程, 2022 - stae.com.cn
摘要转子是涡轮增压器高速旋转部件, 在运行中承受高低周疲劳载荷, 其安全运行尤为重要.
为获得涡轮增压器叶片的高低周疲劳寿命, 通过改变高低周疲劳中高周应力比和单个复合疲劳 …

Development of choked flow in variable nozzle radial turbines

A Tiseira, LM García-Cuevas… - … Journal of Engine …, 2022 - journals.sagepub.com
In commonly applied one-dimensional choking models for radial turbines, choked flow is
assumed to appear in the geometrical throat of each stator and rotor. Coupled and complex …

Extracting blade condition information from the pressure field around a turbine blade

GJ van Vuuren - 2019 - search.proquest.com
Turbine stages are exposed to a variety of excitation sources in the power industry. The
resulting forced vibration excitation of the blades may occur near a blade's natural …

Turbocharger Structural Integrity

S Barrans, J Allport… - … and Industrial Engineering, 2014 - eprints.hud.ac.uk
Since the introduction of Euro VI in January 2014, all new diesel powered commercial
vehicles have been equipped with turbocharged engines. It is virtually impossible to meet …

Analysis on high-frequency vibration characteristics of complex blades under ultrasonic excitation

JW Chen, W Zhang, GJ Kou, JL Xiao… - International …, 2023 - spiedigitallibrary.org
The high cycle fatigue of aero-engine blades is mainly vibration bending fatigue. To study
the high-frequency vibration characteristics of the blade under actual working conditions, the …