A piezoelectric wind energy harvester excited indirectly by a coupler via magnetic-field coupling

J Kan, W Liao, S Wang, S Chen, X Huang… - Energy Conversion and …, 2021 - Elsevier
Energy harvesting from wind-induced vibration energy using piezoelectric materials has
received great attention because of the self-powered demand for wireless sensor networks …

Fluid–structure–sound interaction in noise reduction of a circular cylinder with flexible splitter plate

F Duan, J Wang - Journal of Fluid Mechanics, 2021 - cambridge.org
The fluid–structure--sound interaction in reducing the flow-induced noise of a circular
cylinder with a back flexible splitter plate is investigated experimentally. The rigid splitter …

A pneumatic piezoelectric vibration energy harvester based on the compressed air-transducer-structure interaction

Z Zhang, S Wang, J Kan, W Hu, Z Chen, H Xu - Energy Conversion and …, 2020 - Elsevier
Harvesting energy from the ambient vibration to replace the conventional electrochemical
batteries has gained considerable interest. Different from the most existing flow-induced …

A turbulent quarter century of active grids: from Makita (1991) to the present

L Mydlarski - Fluid Dynamics Research, 2017 - iopscience.iop.org
A quarter of a century ago, following a series of investigations with his colleagues, Makita
published a paper (Makita 1991 Fluid Dyn. Res. 8, 53–64) in which the production of high …

Improved flow-induced vibration energy harvester by using magnetic force: an experimental study

D Cao, X Ding, X Guo, M Yao - International Journal of Precision …, 2021 - Springer
Vibration energy harvesting has attracted considerable attention because of its application
prospects for charging or powering micro-electro-mechanical system. Abundant hydrokinetic …

[HTML][HTML] Vortex-induced vibration of finite-length circular cylinders with spanwise free-ends: Broadening the lock-in envelope

V Azadeh-Ranjbar, N Elvin, Y Andreopoulos - Physics of Fluids, 2018 - pubs.aip.org
The unsteady response of finite-length rigid circular cylinders with spanwise free-ends
undergoing vortex-induced vibration (VIV) has been experimentally investigated in a large …

Parametric analysis of fluidic energy harvesters in grid turbulence

AH Danesh-Yazdi, N Elvin… - Journal of Intelligent …, 2016 - journals.sagepub.com
Even though it is omnipresent in nature, there has not been much research in the literature
involving turbulence as an energy source for piezoelectric fluidic harvesters. In the present …

Fractal grid-induced turbulence strength characterization via piezoelectric thin-film flapping velocimetry

TS Lee, EH Ooi, WS Chang, JJ Foo - Scientific Reports, 2021 - nature.com
The centerline streamwise and cross-sectional (x/D h= 0.425) turbulence characteristics of a
2D planar space-filling square-fractal-grid (SFG) composed of self-similar patterns …

The effects of turbulence length scale on the performance of piezoelectric harvesters

Y Andreopoulos… - Dynamic …, 2015 - asmedigitalcollection.asme.org
Turbulent flows carry mechanical energy distributed over a range of temporal and spatial
scales and their interaction with a thin immersed piezoelectric beam results in a strain field …

Power output comparison of side-by-side fluidic harvesters in different types of fractal grid-generated turbulence

K Ferko, N Chiappazzi, J Gong… - Active and Passive …, 2019 - spiedigitallibrary.org
Turbulence-induced vibration, particularly one generated by a fractal grid, has not been
studied in much detail in the literature. This study focuses on the interaction of two side-by …