[HTML][HTML] Test results of a 30 kW self-rectifying biradial air turbine-generator prototype

AAD Carrelhas, LMC Gato, JCC Henriques… - … and Sustainable Energy …, 2019 - Elsevier
A 30 kW fixed-guide-vanes biradial turbine-generator set was designed by Instituto Superior
Técnico (IST) and manufactured by Kymaner, within the framework of the H2020 European …

Experimental and numerical studies on an OWC axial-flow impulse turbine in reciprocating air flows

Z Liu, Y Cui, C Xu, L Sun, M Li, J Jin - Renewable and sustainable energy …, 2019 - Elsevier
In this study, an experimental facility and a transient numerical model are established to
predict the complicated unsteady behaviors of oscillating water column air turbines under …

Performance enhancement of a Wells turbine using CFD-optimization algorithms coupling

ATM Kotb, MAA Nawar, YA Attai, MH Mohamed - Energy, 2023 - Elsevier
Wells turbine is a popular device for converting wave energy. The current work aims to
maximize the power a Wells turbine generates using a response surface optimization …

[HTML][HTML] Performance improvement of a Wells turbine through an automated optimization technique

TK Das, E Kerikous, N Venkatesan, G Janiga… - Energy Conversion and …, 2022 - Elsevier
The present article reports optimization of the performance of a Wells turbine, which is an
axial turbine utilized for wave energy conversion, through a computational fluid dynamics …

Influence of stall fences on the performance of Wells turbine

TK Das, A Samad - Energy, 2020 - Elsevier
The Wells turbine is one of the candidates for use in Oscillating Water Column (OWC) type
wave energy conversion devices. The narrow operating range of a Wells turbine limits its …

[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 optimization of a modified Wells turbine for wave energy conversion

ATM Kotb, MAA Nawar, YA Attai, MH Mohamed - Ocean Engineering, 2023 - Elsevier
The Wells axial turbine is one of the most prevalent wave energy conversion turbines. The
current study addresses the optimization of the power produced by a Wells turbine utilizing a …

[HTML][HTML] Implications of spring-like air compressibility effects in floating coaxial-duct OWCs: Experimental and numerical investigation

JCC Portillo, LMC Gato, JCC Henriques, AFO Falcão - Renewable Energy, 2023 - Elsevier
The paper analyses the spring-like air compressibility effect in coaxial-duct oscillating-water-
column (CD-OWC) wave energy converters (WECs). This is accomplished through a novel …

A detailed analysis of the unsteady flow within a Wells turbine

T Ghisu, P Puddu, F Cambuli - … , part A: journal of power and …, 2017 - journals.sagepub.com
Sea wave energy is one of the main renewable energy resources. Its exploitation is
relatively simple and determines a minimum impact on the environment. The system that is …

Optimization of blade profiles for the Wells turbine

T Gratton, T Ghisu, G Parks, F Cambuli, P Puddu - Ocean engineering, 2018 - Elsevier
A Wells turbine, when coupled with an oscillating water column, allows the generation of
power from the energy in waves on the surface of the ocean. In the present work, a tabu …