A review of current issues of marine current turbine blade fault detection

T Xie, T Wang, Q He, D Diallo, C Claramunt - Ocean Engineering, 2020 - Elsevier
Marine current turbines (MCTs) has progressively attracted wider interest from the industry
and many research initiatives due to its potential as a novel world energy resource …

An adaptive online blade health monitoring method: From raw data to parameters identification

S Wu, P Russhard, R Yan, S Tian… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Blade tip timing (BTT) methods have been increasingly implemented for blade health
monitoring (BHM). However, there are two drawbacks of current signal analysis methods …

Experimental and numerical investigations on the flow-induced vibration and acoustic radiation of a pump-jet propulsor model in a water tunnel

S Shi, W Tang, X Huang, X Dong, H Hua - Ocean Engineering, 2022 - Elsevier
Experimentally investigating the vibration characteristics of a pump-jet propulsor in water is
challenging. In this study, the characteristics of flow-induced vibration and acoustic radiation …

Impulsive stimulated Brillouin microscopy for non-contact, fast mechanical investigations of hydrogels

B Krug, N Koukourakis, JW Czarske - Optics express, 2019 - opg.optica.org
The mechanical properties of tissues and cells are increasingly recognized as an important
feature for the understanding of pathological processes and as a diagnostic tool in …

Camera-based micro-vibration measurement for lightweight structure using an improved phase-based motion extraction

C Peng, C Zeng, Y Wang - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
Video cameras are capable to collect high-density spatial data as each pixel is a sensor. An
issue is that the video data is difficult to convert into the motion information, such as …

Phase-based vibration frequency measurement from videos recorded by unstable cameras

Z Zang, X Yang, G Zhang, J Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Cameras can be used as noncontact sensors to measure target vibration conveniently.
Recently, spatial phase-based methods have been developed to detect small vibrations with …

Flow-induced vibration analysis of elastic propellers in a cyclic inflow: An experimental and numerical study

J Tian, Z Zhang, Z Ni, H Hua - Applied Ocean Research, 2017 - Elsevier
In this paper, the flow-induced vibrations of marine propellers in cyclic inflows are
investigated both experimentally and numerically. A Laser-Doppler velocimetry (LDV) …

A laser-optical sensor system for blade vibration detection of high-speed compressors

M Neumann, F Dreier, P Günther, U Wilke… - … Systems and Signal …, 2015 - Elsevier
Improved efficiency as well as increased lifetime of turbines and compressors are important
goals in turbomachinery development. A significant enhancement to accomplish these aims …

Instantaneous rotation speed measurement system based on variable reluctance sensors for torsional vibration monitoring

T Addabbo, M Di Marco, A Fort, E Landi… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
In this paper, a system for the measurement of the instantaneous speed of rotating parts in
turbines is proposed and modeled. The system is based on traditional and widely used …

Laser beam position-dependent PSD-based calibrated self-vibration compensated noncontact vibration measurement system

S Das, A Saha - IEEE Transactions on Instrumentation and …, 2018 - ieeexplore.ieee.org
This paper explores the notion and efficacy of harnessing the advantages of position
sensitive detector (PSD) in the paradigm of noncontact vibration measurements. The study …