Mathematical modeling of oscillating water column wave energy converter devices placed over an undulated seabed in a two-layer fluid system

K Trivedi, S Koley - Renewable Energy, 2023 - Elsevier
The present study investigates the hydrodynamic performance of the two types of oscillating
water column wave energy converter devices, namely (i) INP (interface non-piercing) OWC …

[HTML][HTML] Theoretical approach to the scale effects of an OWC device

A Molina–Salas, S Longo, M Clavero, A Moñino - Renewable Energy, 2023 - Elsevier
This research deals with the dynamic similarity problem for Oscillating Water Column (OWC)
devices, for which air is the fluid that is subject to thermodynamic transformations in the …

[HTML][HTML] Assessment of heat and entropy balance of an OWC wave energy converter

A Molina-Salas, R Hatafi, F Huertas-Fernández… - Journal of Cleaner …, 2024 - Elsevier
This paper deals with the thermodynamic processes governing an Oscillating Water Column
(OWC) device, focusing on the entropy variation and the energy and heat budgets over the …

[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 …

Modeling and performance estimation for L-shaped OWC wave energy converters with a theoretical correction for spring-like air compressibility

DT Nguyen, YC Chow, CC Lin - Renewable Energy, 2024 - Elsevier
Abstract The investigation of Oscillating Water Columns (OWC) has gained significant
attention in recent years thanks to their resilient structural design, allowing them to withstand …

[HTML][HTML] Model tests on a floating coaxial-duct OWC wave energy converter with focus on the spring-like air compressibility effect

JCC Portillo, JCC Henriques, LMC Gato, AFO Falcão - Energy, 2023 - Elsevier
The spring-like air compressibility effect in oscillating-water-column (OWC) wave energy
converters may significantly affect the device's power performance. Yet, this effect has rarely …

Numerical investigation on the hydrodynamic performance of a land-based OWC system with multi-chamber modules

L Fu, R Wang, D Ning, R Mayon - Applied Ocean Research, 2023 - Elsevier
Modular design of wave energy converters (WECs) can offer a promising scheme to improve
the economic competitiveness of wave energy by reducing the levelized cost of energy. In …

Experimental proof-of-concept of a hybrid wave energy converter based on oscillating water column and overtopping mechanisms

I Simonetti, A Esposito, L Cappietti - Energies, 2022 - mdpi.com
This paper presents the results of laboratory tests on a hybrid wave energy converter
concept, the O2WC (Oscillating-Overtopping Water Column) device. The proposed device …

[HTML][HTML] Aerodynamic performance and noise emission of different geometries of Wells turbines under design and off-design conditions

AAD Carrelhas, LMC Gato, FJF Morais - Renewable Energy, 2024 - Elsevier
The path to the World's energy system decarbonisation requires the contribution of a mix of
renewable energy sources. In particular, wave energy and oscillating-water-column (OWC) …

Experimental and numerical investigation of wave loads on land-based multi-chamber OWC converters

L Fu, R Wang, P Kar, D Ning - Energy, 2024 - Elsevier
Capturing more wave energy in a cost-effective principle has become a challenging task.
Multi-chamber oscillating water column (OWC) devices are gradually gaining favour due to …