BackExaminar Artículos por departamento (cas.) "Ingeniería nuclear y mecánica de fluidos"
Now showing items 21-40 of 78
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Computational Modelling of Three Different Sub-Boundary Layer Vortex Generators on a Flat Plate
(MDPI, 2018-11-10)Flow separation is the source of several problems in a wind turbine including load fluctuations, lift losses, and vibrations. Vortex generators (VGs) are passive flow control devices used to delay flow separation, but their ... -
Computational study of the vortex path variation with the VG height
(IOP Publishing, 2014)An extensive range of conventional, vane-type, passive vortex generators (VGs) are in use for successful applications of flow separation control. In most cases, the VG height is designed with the same thickness as the local ... -
Delamination Fracture Behavior of Unidirectional Carbon Reinforced Composites Applied to Wind Turbine Blades
Boyano Murillo, Ana Isabel
; López Guede, José Manuel ; Torre Tojal, Leyre ; ; ; (MDPI, 2021-01-27)
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 ... -
Differential Evolution Optimal Parameters Tuning with Artificial Neural Network
Centeno Telleria, Manu; ; ; Teso Fernández de Betoño, Daniel; Teso Fernández de Betoño, Adrián (MDPI, 2021-02-21)
Differential evolution (DE) is a simple and efficient population-based stochastic algorithm for solving global numerical optimization problems. DE largely depends on algorithm parameter values and search strategy. Knowledge ... -
Downscaling of surface moisture flux and precipitation in the Ebro Valley (Spain) using analogues and analogues followed by random forests and multiple linear regression
; Sáenz Aguirre, Jon; ; Elías Saenz, Ana Josefina ; Díaz de Argandoña González, Javier (Copernicus Gesellschaft, 2011)
In this paper, reanalysis fields from the ECMWF have been statistically downscaled to predict from large-scale atmospheric fields, surface moisture flux and daily precipitation at two observatories (Zaragoza and Tortosa, ... -
Dynamical Analysis of a Navigation Algorithm
Cabezas Olivenza, Mireya; ; Sánchez Chica, Ander; Teso Fernández de Betoño, Adrián; (MDPI, 2021-12-02)
There is presently a need for more robust navigation algorithms for autonomous industrial vehicles. These have reasonably guaranteed the adequate reliability of the navigation. In the current work, the stability of a ... -
Electricity production, capacity factor, and plant efficiency index at the Mutriku wave farm (2014–2016)
; Sáenz Aguirre, Jon; Ulacia Manterola, Alain; ; ; García-Soto, Carlos (Elsevier, 2018-01-01)
Mutriku has recently become the first commercial wave farm to release its operating data. The plant has 14 OWC operating turbines, and this study has conducted an analysis of hourly data corresponding to the 2014–2016 ... -
Electroviscous Effect of Water-Base Nanofluid Flow between Two Parallel Disks with Suction/Injection Effect
(MDPI, 2022-03-17)This article, investigates the behaviour of an ionized nanoliquid motion regarding heat transmission between two parallel discs. In the proposed model, the squeezing flow of Cu-water nanofluid with electrical potential ... -
Estimating the Reattachment Length by Realizing a Comparison between URANS k-Omega SST and LES WALE Models on a Symmetric Geometry
Teso Fernández de Betoño, Daniel; Juica, Martin; ; ; (MDPI, 2021-07-24)
In this study, a water reattachment length was calculated by adopting two different models. The first was based on Unsteady Reynolds-Averaged Navier–Stokes (URANS) k-omega with Shear Stress Transport (SST); the second was ... -
Evaluating Equity and Inclusion in Access toWater and Sanitation for Persons Living with HIV/AIDS in Wukro, Ethiopia
(MDPI, 2018-09)For more than a decade, foreign aid-supported water interventions focusing on an increase in household private connections have been implemented in the small urban center of Wukro. However, little has been investigated ... -
Experimental Air Impingement Crossflow Comparison and Theoretical Application to Photovoltaic Efficiency Improvement
(MDPI, 2020-07-10)The photovoltaic cell temperature is a key factor in solar energy harvesting. Solar radiation raises temperature on the cell, lowering its peak efficiency. Air jet impingement is a high heat transfer rate system and has ... -
Experimental and Numerical Modeling of Aerosol Delivery for Preterm Infants
; ; López Arraiza, Alberto; ; ; Basterrechea Elguezabal, Francisco José ; Sancho Saiz, Javier ; Gómez Solaeche, Miguel Ángel (MDPI, 2018-03)
Respiratory distress syndrome (RDS) represents one of the major causes of mortality among preterm infants, and the best approach to treat it is an open research issue. The use of perfluorocarbons (PFC) along with non-invasive ... -
Experimental Evaluation of Perfluorocarbon Aerosol Generation with Two Novel Nebulizer Prototypes
; ; López Arraiza, Alberto; Rey Santano, María Carmen; Mielgo, Victoria; Basterrechea Elguezabal, Francisco José ; Sancho Saiz, Javier ; Gómez Solaeche, Miguel Ángel (MDPI, 2019-01-05)
The potential of non-invasive ventilation procedures and new minimally invasive techniques has resulted in the research of alternative approaches as the aerosolization for the treatment of respiratory distress syndrome ... -
Five MegawattWind Turbine Power Output Improvements by Passive Flow Control Devices
; ; Boyano Murillo, Ana Isabel; Ansoategui Belategui, Igor ; Uriarte Gallastegui, Irantzu (MDPI, 2017-06)
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 ... -
Global estimations of wind energy potential considering seasonal air density changes
Ulazia Manterola, Alain; Sáenz Aguirre, Jon ; ; ; (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 ... -
Gurney Flap Implementation on a DU91W250 Airfoil
; Sáenz Aguirre, Aitor; ; ; López Guede, José Manuel; Boyano Murillo, Ana Isabel ; Sancho Saiz, Javier (MDPI, 2018-11-06)
Abstract The 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 ... -
Harmonized evaluation of daily precipitation downscaled using SDSM and WRF+WRFDA models over the Iberian Peninsula
; Wilby, Robert L.; Sáenz Aguirre, Jon; (Springer, 2019-08)
There have been numerous statistical and dynamical downscaling model comparisons. However, differences in model skill can be distorted by inconsistencies in experimental set-up, inputs and output format. This paper harmonizes ... -
Historical Evolution of theWave Resource and Energy Production off the Chilean Coast over the 20th Century
Ulacia Manterola, Alain; Peñalba Retes, Markel; Rabanal, Arkaitz; ; Ringwood, John D.; Sáenz Aguirre, Jon (MDPI, 2018-09)
The wave energy resource in the Chilean coast shows particularly profitable characteristics for wave energy production, with relatively high mean wave power and low inter-annual resource variability. This combination is ... -
Influence of Butterfly and Gate Valves Upstream Large Water Meters
; Arregui de la Cruz, Francisco José; Bidaguren Alday, César; Bidaguren Diego, Iñigo (MDPI, 2020-09-14)
The research presented was conducted to quantify the effects of butterfly and gate valves located upstream water meters with diameters larger than 50 mm. Errors caused by these valves can have an enormous financial impact ... -
jBAY Modeling of Vane-Type Vortex Generators and Study on Airfoil Aerodynamic Performance
(MDPI, 2020-05-12)The increased demand for wind power is related to changes in the sizes of wind turbines and the development of flow control devices, such as vortex generators (VGs). In the present study, an analysis of the vortices generated ...