A. Boyano
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View article: PRISMA Review: Drones and AI in Inventory Creation of Signage
PRISMA Review: Drones and AI in Inventory Creation of Signage Open
This systematic review explores the integration of unmanned aerial vehicles (UAVs) and artificial intelligence (AI) in automating road signage inventory creation, employing the preferred reporting items for systematic reviews and meta-anal…
View article: A computational fluid dynamics analysis of the aerodynamic influence of angles of attack on the Skylon spaceplane
A computational fluid dynamics analysis of the aerodynamic influence of angles of attack on the Skylon spaceplane Open
This paper explores the aerodynamic behavior of a reusable launch vehicle, the Skylon spaceplane, for different angles of attack at Mach 5. The goal is to determine how aerodynamic effects manifest at various angles of attack and compare i…
View article: Above-ground biomass estimation from LiDAR data using random forest algorithms
Above-ground biomass estimation from LiDAR data using random forest algorithms Open
Random forest (RF) models were developed to estimate the biomass for the Pinus radiata species in a region of the Basque Autonomous Community where this species has high cover, using the National Forest Inventory, allometric equations and …
View article: Delamination Fracture Behavior of Unidirectional Carbon Reinforced Composites Applied to Wind Turbine Blades
Delamination Fracture Behavior of Unidirectional Carbon Reinforced Composites Applied to Wind Turbine Blades Open
One of the materials that is used widely for wind turbine blade manufacturing are fiber-reinforced composites. Although glass fiber reinforcement is the most used in wind turbine blades, the use of carbon fiber allows larger blades to be m…
View article: The Gender Perspective of Professional Competencies in Industrial Engineering Studies
The Gender Perspective of Professional Competencies in Industrial Engineering Studies Open
Sexism and gender relations in higher education require special attention and are a topic of great interest in regulations related to education. The low participation percentage of women in Science, Technology, Engineering, and Mathematics…
View article: Computational modelling of TRIANGULAR sub-boundary-layer vortex generators
Computational modelling of TRIANGULAR sub-boundary-layer vortex generators Open
Vortex generators (VGs) are used increasingly more by the wind turbine manufacture industry as flow control devices to improve rotor blade aerodynamic performance. The VG height is usually designed with equal thickness of the local boundar…
View article: Computational characterization of a Gurney flap on a DU91(2)W250 airfoil
Computational characterization of a Gurney flap on a DU91(2)W250 airfoil Open
The considerable increase of wind turbine rotor size and weight in the last years has made impossible to control as they were controlled 20 years ago. The cost of energy is an essential role to maintain this type of energy as a viable alte…
View article: Oscillating U-Shaped Body for Underwater Piezoelectric Energy Harvester Power Optimization
Oscillating U-Shaped Body for Underwater Piezoelectric Energy Harvester Power Optimization Open
Vibration energy harvesting (VeH) techniques by means of intentionally designed mechanisms have been used in the last decade for frequency bandwidth improvement under excitation for adequately high-vibration amplitudes. Oil, gas, and water…
View article: Gurney Flap Implementation on a DU91W250 Airfoil
Gurney Flap Implementation on a DU91W250 Airfoil Open
\nThe increasing capability of Wind Turbine (WT) based power generation systems has derived in an increment of the WT rotor diameter, i.e., longer rotor blades. This results in an increase of the electrical power generated but also in inst…
View article: Analysis of DCB test of angle-ply laminates including bending-twisting coupling
Analysis of DCB test of angle-ply laminates including bending-twisting coupling Open
Se analiza la fractura interlaminar de laminados simétricos y antisimétricos angulares mediante el método Double Cantilever Beam. Como los semi-laminados son simétricos en ambos casos, se produce un acoplamiento de flexión-torsión. Sin emb…
View article: Computational Modelling of Rectangular Sub-Boundary Layer Vortex Generators
Computational Modelling of Rectangular Sub-Boundary Layer Vortex Generators Open
Vortex generators (VGs) are increasingly used in the wind turbine manufacture industry as flow control devices to improve rotor blade aerodynamic performance. Nevertheless, VGs may produce excess residual drag in some applications. The so-…
View article: A novel procedure to determine the cohesive law in DCB tests
A novel procedure to determine the cohesive law in DCB tests Open
A novel method is presented for the determination of mode I cohesive law for the characterization of delamination in unidirectional carbon fiber reinforced polymer laminates. The energy release rate as a function of the crack advance is de…
View article: Five Megawatt Wind Turbine Power Output Improvements by Passive Flow Control Devices
Five Megawatt Wind Turbine Power Output Improvements by Passive Flow Control Devices Open
The effects of two types of flow control devices, vortex generators (VGs) and Gurney flaps (GFs), on the power output performance of a multi-megawatt horizontal axis wind turbine is presented. To that end, an improved blade element momentu…
View article: Microtab Design and Implementation on a 5 MW Wind Turbine
Microtab Design and Implementation on a 5 MW Wind Turbine Open
Microtabs (MT) consist of a small tab placed on the airfoil surface close to the trailing edge and perpendicular to the surface. A study to find the optimal position to improve airfoil aerodynamic performance is presented. Therefore, a par…
View article: Analysis of the DCB test of angle-ply laminates including residual stresses
Analysis of the DCB test of angle-ply laminates including residual stresses Open
[ES] Se propone un nuevo método para obtener la tasa de liberación de energía mediante la prueba de doble viga en voladizo para laminados de capas angulares. Se estudian dos secuencias diferentes, simétrica y antisimétrica. El hecho de que…
View article: Experimental assessment of an End Notched Flexure test configuration with an inserted roller for analyzing mixed-mode I/II fracture toughness
Experimental assessment of an End Notched Flexure test configuration with an inserted roller for analyzing mixed-mode I/II fracture toughness Open
This study describes the experimental work related to a test configuration proposed recently, based on an End Notched Flexure test configuration modified with an inserted roller. Various mixed-mode ratio tests have been performed by the va…
View article: Analytical and numerical approach of an End Notched Flexure test configuration with an inserted roller for promoting mixed mode I/II
Analytical and numerical approach of an End Notched Flexure test configuration with an inserted roller for promoting mixed mode I/II Open
A test configuration for studying mixed-mode is analyzed analytically and numerically. It is based on the End Notched Flexure test, inserting a roller in the cracked part in order to promote mixed mode I/II. The analytical approach include…
View article: Analysis of a reversible five-point bending configuration based on a novel two-sense support
Analysis of a reversible five-point bending configuration based on a novel two-sense support Open
A novel two-sense support for flexural tests has been designed and manufactured in Ikerlan. The aim of this support is to do two-sense bending fatigue tests. In order to reduce the displacement corresponding to a given stress, a novel test…
View article: A new approach for determining the R-curve in DCB tests without optical measurements
A new approach for determining the R-curve in DCB tests without optical measurements Open
A new method for obtaining the R-curve point to point by the Double Cantilever Beam test is proposed. Besides the determination of new compliance and energy release rate equations, the analytical model presented leads to calculate the crac…