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 …

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 developing efficient
tidal farm configurations. The present study compares the power and wake generated by a 2 …

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 …

On the impact of waves and turbulence on the power fluctuations and wake structure of a tidal-stream turbine

W Zang, Y Zhang, Y Zheng, J Zhang, D Guan… - Physics of …, 2023 - pubs.aip.org
Anticipating the power output of tidal-stream turbines (TSTs) is relevant for its technological
advance and success. Therefore, it is important to clarify the behavior of TSTs under tidal …

Research on the tandem arrangement of the ducted horizontal-axis tidal turbine

B Feng, X Liu, Y Ying, Y Si, D Zhang, P Qian - Energy Conversion and …, 2022 - Elsevier
Array research of tidal turbine is critical to make it cost-effective and commercializing. There
are many studies of turbine arrays, which mostly focus on a conventional horizontal-axis …

Research on the effect of yawing motion on tidal turbine performance based on actuator-line method

C Li, Y Zhang, Y Zheng, Y Qian… - Ocean …, 2023 - Elsevier
An actuator line method (ALM) code is used to investigate the yaw motion of tidal stream
turbines, using different induced frequencies, amplitudes and starting angles. The relative …

Effect of leading-edge tubercles on the hydrodynamic characteristics and wake development of tidal turbines

M Fan, Z Sun, R Yu, X Dong, Z Li, Y Bai - Journal of Fluids and Structures, 2023 - Elsevier
This paper describes an investigation into the effect of leading-edge tubercles on turbine
hydrodynamic characteristics and wake development characteristics. The hydrodynamic …

The impact of yaw motion on the wake interaction of adjacent floating tidal stream turbines under free surface condition

Y Zhang, B Peng, J Zheng, Y Zheng, Q Tang, Z Liu… - Energy, 2023 - Elsevier
Several works put emphasis on the maturation of floating tidal stream turbine systems,
deemed viable for sites at deep water depths. The objective of this research is to determine …

Experimental investigation of wake and thrust characteristics of a small-scale tidal stream turbine array

J Zhang, G Wang, X Lin, Y Zhou, R Wang, H Chen - Ocean Engineering, 2023 - Elsevier
Tidal stream turbines (TSTs) are usually organized into an array to extract energy from tidal
stream efficiently. A deep understanding of wake structures and thrust characteristics of tidal …

An analytical double-Gaussian wake model of ducted horizontal-axis tidal turbine

X Liu, H Xu, B Wang, Y Wang, C Li, Y Si, P Qian… - Physics of …, 2023 - pubs.aip.org
The wake development of a tidal turbine should be fully considered in the array
arrangement. There are many studies on wake characteristics, mainly focusing on a …