Residual circulation budget analysis in a Wells turbine with leading-edge micro-cylinders

K Geng, C Yang, B Zhao, W Zhao, J Gao, C Hu… - Renewable Energy, 2023 - Elsevier
To further interpret the control mechanisms of leading-edge micro-cylinders for flow
separation in a Wells turbine, the residual circulation budget was performed through an …

Performance investigation of Wells turbine for wave energy conversion with stall cylinders

K Geng, C Yang, C Hu, Y Li, X Shi - Ocean Engineering, 2021 - Elsevier
The wave energy conversion of oscillation water column (OWC) systems is limited by the
narrow range of efficient operation of Wells turbines. Effective control methods are critical to …

Numerical investigation of flow separation control over rotor blades using plasma actuator

H Yu, X Cui, G Li, J Zheng - AIAA Journal, 2023 - arc.aiaa.org
The flow separation control over rotating rotor blades in hover using an alternating current
dielectric barrier discharge (AC-DBD) plasma actuator is investigated through numerical …

Noise reduction on a model helicopter rotor using dielectric barrier discharge plasma actuators

D Polonsky, O Stalnov, D Greenblatt - AIAA Journal, 2023 - arc.aiaa.org
Noise reduction was studied on a model helicopter rotor using pulsed dielectric barrier
discharge (DBD) plasma actuators mounted at the blades' leading edges. The evaluation …

Formation mechanism of wall jet generated by plasma actuators in quiescent air

X Zhang, F Qu - AIAA Journal, 2022 - arc.aiaa.org
Flow control technology using dielectric barrier discharge plasma actuators stimulated by a
sinusoidal alternating current (AC) high-voltage power supply has been studied explosively …

Effect of blade leading-edge microcylinder in a wells turbine used for wave energy converters

P Sadees, P Madhan Kumar, A Samad - Journal of Ocean Engineering …, 2023 - Springer
The present study attempts to enhance a Wells turbine performance by adopting a leading-
edge microcylinder (LEM) as a passive flow control device. The microcylinder is placed near …

Recent advancements in flow control using plasma actuators and plasma vortex generators

M Abdullah, MT Galib, MSA Khan, T Rahman… - Heat …, 2024 - Wiley Online Library
Flow‐control techniques have attracted significant attention in many scientific areas due to
their ability to improve the effectiveness and regulate the flow of aerodynamic devices. This …

Control of flow and acoustic fields around an axial fan utilizing plasma actuators

H Yokoyama, N Nagao, K Tokai… - Journal of Fluids …, 2025 - asmedigitalcollection.asme.org
Small axial fans, commonly employed for cooling electronic equipment, are frequently
housed within narrow ducts, where intense tonal sound with duct resonance can occur …

Influence of vortex interactions on the exergy transfer and performance of OWC wells turbine

K Geng, C Yang, H Zhang, B Zhao… - Proceedings of the …, 2023 - journals.sagepub.com
To provide deep dives about aerodynamic loss mechanisms in Wells turbines for wave
energy conversion, a loss audit analysis was performed by numerical experiments in a …

Vortex shedding frequency scaling of coherent structures induced by a plasma actuator

X Zhang, H Zong - AIAA Journal, 2022 - arc.aiaa.org
The spatial–temporal evolution of coherent structures generated by an asymmetrical
dielectric barrier discharge (DBD) plasma actuator is an intriguing unsteady process with …