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 …

[HTML][HTML] Experimental investigation of a Wells turbine under dynamic stall conditions for wave energy conversion

M Stefanizzi, SM Camporeale, M Torresi - Renewable Energy, 2023 - Elsevier
Marine energy still plays a marginal role in the current global energy scenario, despite the
incessant effort by research for more than thirty years in the exploitation of the so-called blue …

Performance assessment of a modified wells turbine using an integrated casing groove and Gurney flap design for wave energy conversion

ATM Kotb, MAA Nawar, YA Attai, MH Mohamed - Renewable Energy, 2022 - Elsevier
The present study investigates the effect of a triangular casing groove depth and width on
Wells turbine performance. Furthermore, it presents an integrated method to boost the power …

Detailed investigation of the local flow-field in a Wells turbine coupled to an OWC simulator

F Licheri, T Ghisu, F Cambuli, P Puddu - Renewable Energy, 2022 - Elsevier
One of the most promising technologies for sea-wave energy conversion is the one based
on the OWC principle. In a system of this type, the oscillatory motion of the sea waves is …

Rotational speed control using ANN-based MPPT for OWC based on surface elevation measurements

F M'zoughi, I Garrido, AJ Garrido, M De La Sen - Applied Sciences, 2020 - mdpi.com
This paper presents an ANN-based rotational speed control to avoid the stalling behavior in
Oscillating Water Columns composed of a Doubly Fed Induction Generator driven by a Wells …

Fluid dynamics inside a U-shaped oscillating water column (OWC): 1D vs. 2D CFD model

L Gurnari, PGF Filianoti, SM Camporeale - Renewable Energy, 2022 - Elsevier
Several mathematical models have been proposed in the last decades, focusing on peculiar
aspects of dynamic behaviors of OWCs Wave Energy Converters (WEC). Computational …

Numerical investigation on the loss audit of Wells turbine with exergy analysis

K Geng, C Yang, C Hu, Y Li, C Yang - Renewable Energy, 2022 - Elsevier
As one of the most promising methods for harnessing ocean wave energy, the oscillating
water column device has been intensively investigated, especially the Wells turbine within …

Performance improvement of a cross-flow air turbine for oscillating water column wave energy converter by nozzle and blade optimization

B Baddegamage, SJ Bae, SH Jang, S Gunawardane… - Ocean …, 2025 - Elsevier
The global pursuit of renewable energy solutions has highlighted the potential of wave
energy converters (WECs), particularly oscillating water column (OWC) systems, as viable …

Experimental characterization of the unsteady performance behavior of a Wells turbine operating at high flow rate coefficients

M Torresi, M Stefanizzi, L Gurnari… - E3S Web of …, 2020 - e3s-conferences.org
Even if researchers are working on the exploitation of marine energy for more than thirty
years, blue energy is not yet a consolidated reality and still contributes marginally to the …

Design optimization of a cross-flow air turbine for an oscillating water column wave energy converter

HG Kang, YH Lee, CJ Kim, HD Kang - Energies, 2022 - mdpi.com
A cross-flow air turbine, which is a self-rectifying, air-driven turbine, was designed and
proposed for the power take-off (PTO) system of an oscillating water column (OWC) wave …