Enhancement of low-speed piezoelectric wind energy harvesting by bluff body shapes: Spindle-like and butterfly-like cross-sections

J Wang, C Zhang, S Gu, K Yang, H Li, Y Lai… - Aerospace Science and …, 2020 - Elsevier
Fluid-structure interaction can be utilized to harvest the low-speed wind energy for
sustaining the low-power sensors for structural health monitoring. To enhance the low …

Two tandem cylinders of different diameters in cross-flow: flow-induced vibration

B Qin, MM Alam, Y Zhou - Journal of Fluid Mechanics, 2017 - cambridge.org
This paper presents a systematic study of the cross-flow-induced vibration on a spring-
supported circular cylinder of diameter is documented. A careful examination and analysis of …

Numerical evaluation of passive control of VIV by small control rods

H Zhu, J Yao - Applied Ocean Research, 2015 - Elsevier
Flow past a circular cylinder with multiple small control rods is studied by numerical
simulation for Re D ranging from 1161.3 to 6387.1. The Reynolds-Averaged-Navier–Stokes …

CFD analysis of energy harvesting from flow induced vibration of a circular cylinder with an attached free-to-rotate pentagram impeller

H Zhu, Y Zhao, T Zhou - Applied energy, 2018 - Elsevier
A new converter consisting of an elastically mounted circular cylinder and a free-to-rate
pentagram impeller is proposed to harness hydrokinetic energy from water currents. The …

Enhancing vortex-induced vibrations of a cylinder with rod attachments for hydrokinetic power generation

J Wang, W Zhao, Z Su, G Zhang, P Li… - Mechanical Systems and …, 2020 - Elsevier
A new converter consisting of a circular cylinder on an end-spring is proposed to harness
hydrokinetic power from water flow and tides. Two cylindrical rods with a small diameter are …

FIV of tandem unequal-diameter flexible cylinders at different gap ratios

H Gu, H Guo, X Li, F Li - International Journal of Mechanical Sciences, 2023 - Elsevier
Studies on the flow-induced vibration (FIV) of tandem unequal-diameter flexible cylinders in
a broad gap ratio range are scarce. To reveal the effect of the gap ratio on and characterize …

Numerical study of flow-induced vibrations of cylinders under the action of nonlinear energy sinks (NESs)

C Dongyang, LK Abbas, W Guo**, R **aoting… - Nonlinear …, 2018 - Springer
An isolated two-dimensional circular cylinder with two linear degrees of freedom, parallel
and perpendicular to the free-stream direction, and owning a nonlinear energy sink (NES) is …

Vortex-induced vibration suppression of a main circular cylinder with two rotating control rods in its near wake: Effect of the rotation direction

H Zhu, Y Gao - Journal of Fluids and Structures, 2017 - Elsevier
Rotating small control rods in the near wake of a circular cylinder is a combination of both
passive and active control techniques. The effect of rotation direction of control rods on …

Vortex-induced vibrations of two rigidly coupled circular cylinders of unequal diameters at low Reynolds number

H **, H Zhu, K Zhang, D Zhou, Y Bao, Z Han - Physics of Fluids, 2021 - pubs.aip.org
Two-dimensional numerical computations are carried out for two rigidly connected cylinders
of unequal sizes undergoing vortex-induced vibrations (VIV) perpendicular to the free …

Vortex induced vibration response and energy harvesting of a marine riser attached by a free-to-rotate impeller

H Zhu, Y Gao - Energy, 2017 - Elsevier
The vortex induced vibration response of a riser attached by a free-to-rotate impeller and the
rotation response of the impeller are investigated numerically by computational fluid …