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 …

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 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 …

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 …

Experimental analysis of a biplane wells turbine under different load conditions

TK Das, K Kumar, A Samad - Energy, 2020 - Elsevier
The oscillating water column type wave energy converters equipped with Wells turbine are
one of the popular wave energy conversion devices. In most of the numerical and …

Numerical evaluation of entropy generation in isolated airfoils and Wells turbines

T Ghisu, F Cambuli, P Puddu, N Mandas, P Seshadri… - Meccanica, 2018 - Springer
In recent years, a number of authors have studied entropy generation in Wells turbines. This
is potentially a very interesting topic, as it can provide important insights into the …

Introducing Gurney flap to Wells turbine blade and performance analysis with OpenFOAM

PM Kumar, A Samad - Ocean Engineering, 2019 - Elsevier
A Gurney flap (GF) placed at pressure side of the trailing edge of an airfoil and
perpendicular to the chord line enhances lift in aircraft wings, helicopter rotors, and wind …