Ikerketa-Patenteak: Azken bidalketak
31-tik 21-31 emaitza erakusten
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Experimental assessment of scale-effects on the aerodynamic characterization of a transitionally-operating airfoil working under clean flow conditions
(Elsevier B.V., 2022-1-1)Wind tunnel tests are carried out upon a NACA0021 airfoil subjected to transitional Reynolds numbers. Transitionally-operating airfoils show a high sensitivity to external conditions and pose relevant measurement issues ... -
Bias correction techniques for uncertainty reduction of long-term metocean data for ocean renewable energy systems
(Elsevier Ltd, 2023-12-1)The design of effective and reliable solutions for Offshore Renewable Energy (ORE) technologies greatly relies on accurate metocean data. Uncertainties can significantly impact the design process. This paper presents a ... -
A holistic optimization tool for the design of power take-off systems in realistic wave climates: The Wells turbine case
(Elsevier Ltd, 2023-10-1)The growing demand of energy coupled with the worldwide commitments in favor of renewable technologies turns marine renewable sources especially attractive, including wave energy. In particular, the oscillating water column ... -
On the Definition of a Comprehensive Technology-Informed Accessibility Metric for Offshore Renewable Energy Site Selection
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-9-1)Despite the important role of offshore renewable energies (OREs) in the energy transition, the economical viability is still unclear. Therefore, an appropriate site selection is crucial. Besides the energy potential, the ... -
Impact of turbulence and blade surface degradation on the annual energy production of small-scale wind turbines
(John Wiley and Sons Ltd, 2023-12-1)Small-scale horizontal axis wind-turbines (SHAWTs) are acquiring relevance within the regulatory policies of the wind sector aiming at net-zero emissions, while reducing visual and environmental impact by means of distributed ... -
A proper orthogonal decomposition analysis upon aerodynamic structures under clean and rough conditions
(American Institute of Physics Inc., 2023-5-1)A transitional flow regime is known to induce complex flow structures upon aerodynamic geometries such as airfoils, and the dynamics of laminar separation bubbles (LSBs) pose a relevant research field. In addition to being ... -
Nonlinear harmonic balance modelling for wave energy converter array layout assessment
(CRC Press/Balkema, 2023-01-01)Wave energy converters (WECs) are most likely to be deployed in large arrays to reduce their cost of energy. However, the energy production of such arrays can be both positively and negatively affected by hydrodynamic ... -
Nonlinear hydrodynamic modelling for floating wave energy converters: A code-to-code comparison
(CRC Press/Balkema, 2023-01-01)Nonlinear effects are demonstrated to be relevant for different aspects on the development of wave energy converters with a particular importance on the assessment of the behaviour and power production capabilities, and ... -
Control co-design for wave energy farms: Optimisation of array layout and mooring configuration in a realistic wave climate
(Elsevier Ltd, 2024-6-1)This paper presents a novel Control Co-Design (CCD) methodology aimed at economically optimising the layout of wave energy converter (WEC) arrays. CCD ensures the synergy of optimised WEC and array parameters with the final ... -
Benchmarking of spectral methods for fatigue assessment of mooring systems and dynamic cables in offshore renewable energy technologies
(Elsevier Ltd, 2024-9-15)Fatigue life estimation methods based on time-domain and rainflow counting techniques are widely recognised and accepted for their reliability. However, applying them in scenarios involving random loads with multiple ... -
Evolution of the European offshore renewable energy resource under multiple climate change scenarios and forecasting horizons via CMIP6
(Elsevier Ltd, 2024-2-1)The design of the different offshore renewable energy (ORE) technologies depends on the characteristics of wind/wave resources. However, these characteristics are not stationary under climate change. In this study the ...
