Browsing Artículos by Author "Ulazia, Alain"
Now showing items 1-20 of 21
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An Energy Potential Estimation Methodology and Novel Prototype Design for Building-Integrated Wind Turbines
García, Oscar; Ulazia Manterola, Alain; Del Rio Rodríguez, Mario; Carreno Madinabeitia, Sheila; González Arceo, Andoni (MDPI, 2019-05-27)
ROSEO-BIWT is a new Building-Integrated Wind Turbine (BIWT) intended for installation on the edge of buildings. It consists of a Savonius wind turbine and guiding vanes to accelerate the usual horizontal wind, together ... -
Applying the Kolmogorov–Zurbenko filter followed by random forest models to 7Be observations in Spain (2006–2021)
Nafarrate, Ander; Petisco Ferrero, Susana; Idoeta Hernandorena, Raquel; Herranz Soler, Margarita; Sáenz Aguirre, Jon
; Ulazia Manterola, Alain
; Ibarra Berastegi, Gabriel (Elsevier, 2024-05)
n this study, we analysed 7Be weekly surface measurements from six Spanish laboratories from 2006 to 2021. The Kolmogorov–Zurbenko filter was applied to the six 7Be time series, and following an iterative process, the ... -
CMIP6 projections for global offshore wind and wave energy production (2015–2100)
Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon; Ulazia Manterola, Alain
; Sáenz Aguirre, Jon
; Esnaola Aldanondo, Ganix (Nature, 2023-10)
Three-hourly CMIP6 projections have been used in conjuction with the CSIRO WaveWatchIII wave model to calculate the global trends in offshore wind and wave energy for the SSP585 and SSP126 scenarios until 2100. The results ... -
Combining random forests and physics-based models to forecast the electricity generated by ocean waves: A case study of the Mutriku wave farm
Serras Malillos, Paula; Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon; Ulazia Manterola, Alain
(Pergamon-Elsevier, 2019-10-01)
This paper combines random forests with physics-based models to forecast the electricity output of the Mutriku wave farm on the Bay of Biscay. The period analysed was 2014-2016, and the forecast horizon was 24 h in 4-h ... -
Extension and improvement of synchronous linear generator based point absorber operation in high wave excitation scenarios
Sáenz Aguirre, Aitor; Ulazia Manterola, Alain; Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon
(Elsevier, 2021-11-01)
[EN]The exploitation of marine wave energy resource has led to the design of numerous Wave Energy Converter (WEC) configurations. The power absorption of a WEC is tightly related to its physical properties and the ... -
Floating wind turbine energy and fatigue loads estimation according to climate period scaled wind and waves
Sáenz Aguirre, Aitor; Ulazia Manterola, Alain; Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon
(Elsevier, 2022-11)
Offshore wind power is one of the fastest-growing renewable energy sources, as it is expected to play a major role in the transition towards sustainability and net zero emissions. Despite its potential, the interaction of ... -
Future electricity production at Mutriku Wave Energy Plant estimated from CMIP6 wave climate projections (2015–2100)
Carreno Madinabeitia, Sheila; Serras Malillos, Paula; Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon; Ulazia Manterola, Alain
(Elsevier, 2024-01-01)
Renewable marine energy sources are rapidly developing worldwide. With numerous operational marine power plants in existence, it is becoming increasingly important to explore their potential. Hence, this study aims ... -
Future offshore wind energy evolution in the Bay of Biscay
Ezpeleta Lopetegui, Hodei; Ulazia Manterola, Alain; Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon
; Carreno Madinabeitia, Sheila; Aristondo Echeberria, Oihana
(Elsevier, 2024-05)
A relevant point near the Biscay Marine Energy Platform (BiMEP) has been chosen and data from the ERA5 reanalysis and CMIP6 datasets in future SSP5-85 scenario (wind and wave data) have been used to analyse the energy ... -
Global estimations of wind energy potential considering seasonal air density changes
Ulazia Manterola, Alain; Sáenz Aguirre, Jon
; Ibarra Berastegi, Gabriel; González Rojí, Santos José; Carreno Madinabeitia, Sheila (Pergamon-Elsevier, 2019-11-15)
The literature typically considers constant annual average air density when computing the wind energy potential of a given location. In this work, the recent reanalysis ERA5 is used to obtain global seasonal estimates of ... -
Long-term changes in offshore wind power density and wind turbine capacity factor in the Iberian Peninsula (1900–2010)
Carreno Madinabeitia, Sheila; Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon; Ulazia Manterola, Alain
(Elsevier, 2021-03-23)
This study analysed temporal and spatial changes in offshore wind power density (WPD) and capacity factor (CF) around the Iberian Peninsula during the 20th century by analysing data from ERA20 and ERA5. Both WPD and CF ... -
Long-Term Freezing Temperatures Frequency Change Effect on Wind Energy Gain (Eurasia and North America, 1950 & 2019)
Aizpurua Etxezarreta, Maddi; Carreno Madinabeitia, Sheila; Ulazia Manterola, Alain; Sáenz Aguirre, Jon
; Sáenz Aguirre, Aitor (MDPI, 2022-05-07)
The persistent freezing conditions in cold regions are the cause of ice accretion on mechanical and instrumental elements of wind turbines. Consequently, remarkable Annual Energy Production (AEP) losses are prone to occur ... -
Optimal strategies of deployment of far offshore co-located wind-wave energy farms
Sáenz Aguirre, Aitor; Sáenz Aguirre, Jon; Ulazia Manterola, Alain
; Ibarra Berastegi, Gabriel (Elsevier, 2022-01-01)
[EN] The most profitable offshore energy resources are usually found away from the coast. Nevertheless, the accessibility and grid integration in those areas are more complicated. To avoid this problematic, large scale ... -
Paradigmatic case of long-term colocated wind–wave energy index trend in Canary Islands
Ulazia Manterola, Alain; Sáenz Aguirre, Jon
; Sáenz Aguirre, Aitor; Ibarra Berastegi, Gabriel; Carreno Madinabeitia, Sheila (Elsevier, 2023-05)
Previous studies based on remote sensing data and reanalysis have identified strong historical increments of wind speed in the area around the Canary Islands (Spain) without appreciating any increment of wave height. This ... -
Performance enhancement of the artificial neural network– based reinforcement learning for wind turbine yaw control
Sáenz Aguirre, Aitor; Zulueta Guerrero, Ekaitz; Fernández Gámiz, Unai; Ulazia Manterola, Alain; Teso Fernández de Betoño, Daniel
(Wiley, 2019-11-03)
The yaw angle control of a wind turbine allows maximization of the power absorbed from the wind and, thus, the increment of the system efficiency. Conventionally, classical control algorithms have been used for the yaw ... -
Performance variations of wave energy converters due to global long-term wave period change (1900–2010)
Ulazia Manterola, Alain; Sáenz Aguirre, Aitor; Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon
; Carreno Madinabeitia, Sheila; Esnaola Aldanondo, Ganix (Elsevier, 2023-04)
Long-term ocean climate effects on wave energy are often analysed from the viewpoint of the well-known increment of wave height over the decades. However, this increment associated with the increase of wave energy flux and ... -
Problem-Based Learning in University Studies on Renewable Energies: Case of a Laboratory Windpump
In the last eight years, the new faculty of Engineering in Renewable Energies at the University of the Basque Country in Eibar has developed several sustainability goals related to clean energy and climate change, but also ... -
Seasonal Correction of Offshore Wind Energy Potential due to Air Density: Case of the Iberian Peninsula
Ulazia Manterola, Alain; Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon
; Carreno Madinabeitia, Sheila; González Rojí, Santos José (MDPI, 2019-07-02)
A constant value of air density based on its annual average value at a given location is commonly used for the computation of the annual energy production in wind industry. Thus, the correction required in the estimation ... -
Sensitivity Studies for a Hybrid Numerical-Statistical Short-Term Wind and Gust Forecast at Three Locations in the Basque Country (Spain)
Carreno Madinabeitia, Sheila; Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon; Zorita, Eduardo; Ulazia Manterola, Alain
(MDPI, 2019-12-29)
This study evaluates the performance of statistical models applied to the output of numerical models for short-term (1–24 h) hourly wind forecasts at three locations in the Basque Country. The target variables are horizontal ... -
The Consequences of Air Density Variations over Northeastern Scotland for Offshore Wind Energy Potential
Ulazia Manterola, Alain; Nafarrate, Ander; Ibarra Berastegi, Gabriel; Sáenz Aguirre, Jon
; Carreno Madinabeitia, Sheila (MDPI, 2019-07-09)
Hywind-Scotland is a wind farm in Scotland that for many reasons is at the leading edge of technology and is located at a paradigmatic study area for offshore wind energy assessment. The objective of this paper is to compute ... -
The power flow and the wave energy flux at an operational wave farm: Findings from Mutriku, Bay of Biscay
Ibarra Berastegi, Gabriel; Ulazia Manterola, Alain; Sáenz Aguirre, Jon
; Serras Malillos, Paula; González Rojí, Santos José; Esnaola Aldanondo, Ganix (Elservier, 2021-04-14)
Mutriku is a wave farm on the Spanish coast of the Bay of Biscay that has now been continuously supplying electricity for more than nine years. Since 1979, there has been a growing trend in wave energy flux for the whole ...