The influence of waves propagating with the current on the wake of a tidal stream turbine

Y Zhang, W Zang, J Zheng, L Cappietti, J Zhang… - Applied Energy, 2021 - Elsevier
The presence of the wind-waves enhances the flow turbulent complexity and modifies the
dynamic behaviour of the tidal-stream turbine and causes extra challenges for its …

Power fluctuation and wake characteristics of tidal stream turbine subjected to wave and current interaction

Z Zhang, Y Zhang, Y Zheng, J Zhang… - Energy, 2023 - Elsevier
Turbulence and waves interactions are present in tidal streams ensuing the poorly
comprehended unsteady state. To clarify several aspects of the wave influence on the flow …

Microstructure and cavitation erosion behavior of HVOF sprayed ceramic-metal composite coatings for application in hydro-turbines

S Hong, Y Wu, J Wu, Y Zhang, Y Zheng, J Li, J Lin - Renewable Energy, 2021 - Elsevier
Cavitation erosion commonly occurs in hydro-turbine blades and has been a crucial issue
for operation of hydro-turbines. In this paper, high-velocity oxygen-fuel (HVOF) spraying was …

Sediment erosion on pelton turbines: a review

X Ge, J Sun, D Chu, J Liu, Y Zhou, H Zhang… - Chinese Journal of …, 2023 - Springer
The Pelton turbine has been widely used to develop high-head water resources with
sediments because of its advantages in life cycle costs. When a flood or monsoon season …

Cavitation erosion characteristics at various flow velocities in NaCl medium of carbide-based cermet coatings prepared by HVOF spraying

S Hong, J Lin, Y Wu, J Wu, Y Zheng, Y Zhang… - Ceramics …, 2021 - Elsevier
This study aims to investigate the correlation between flow velocity and cavitation erosion
(CE) characteristics of high-velocity oxygen-fuel (HVOF) sprayed Cr 3 C 2-NiCr (CN) and …

Research of the array spacing effect on wake interaction of tidal stream turbines

Y Zhang, Z Zhang, J Zheng, Y Zheng, J Zhang, Z Liu… - Ocean …, 2023 - Elsevier
Understanding the wake interactions among turbines is important for develo** efficient
tidal farm configurations. The present study compares the power and wake generated by a 2 …

Evaluating energy loss with the entropy production theory: A case study of a micro horizontal axis river ducted turbine

X Wang, Y Yan, WQ Wang, ZP Hu - Energy Conversion and Management, 2023 - Elsevier
Hydrokinetic power as a clean renewable energy has been aroused a widespread concern.
Horizontal axis turbines are widely used in the field of tidal and river current energy power …

Energy characteristics and optimal design of diffuser meridian in an electrical submersible pump

Y Yang, L Zhou, J Hang, D Du, W Shi, Z He - Renewable Energy, 2021 - Elsevier
Electrical submersible pump (ESP) is widely used as an artificial lifting machinery in the
petroleum production and geothermal usage. Its energy efficiency is related to the amount of …

Experimental investigation into effects of boundary proximity and blockage on horizontal-axis tidal turbine wake

Y Zhang, Z Zhang, J Zheng, J Zhang, Y Zheng… - Ocean …, 2021 - Elsevier
This study examined how the wake of a scaled turbine was changed by a bypass using
three different water depths with the hub at mid-depth, and one water depth with the hub at …

The effects of surge motion on the dynamics and wake characteristics of a floating tidal stream turbine under free surface condition

B Peng, Y Zhang, Y Zheng, R Wang… - Energy Conversion and …, 2022 - Elsevier
In this paper, a Computational Fluid Dynamics (CFD) code is used to investigate the tidal
stream turbine performance under free surface condition and with surge motion: amplitudes …