BackExaminar por departamento (cas.) "Ingeniería Energética"
Now showing items 1-20 of 69
-
A chemical engineering application on hyperbolic tangent flow examination about sphere with Brownian motion and thermo phoresis effects using BVP5C
(Elsevier, 2022-12)Brownian motion and thermophoresis impacts are discussed in relation to a tangent hyperbolic fluid encircling a sphere subject to a convective boundary condition and a Biot number. Concentration boundary conditions involving ... -
A Study of Learning Issues in Feedforward Neural Networks
Teso Fernández de Betoño, Adrián
; Zulueta Guerrero, Ekaitz ; ; Teso Fernández de Betoño, Daniel ; (MDPI, 2022-09-05)
When training a feedforward stochastic gradient descendent trained neural network, there is a possibility of not learning a batch of patterns correctly that causes the network to fail in the predictions in the areas adjacent ... -
A Theoretical Study of the Hydrodynamic Performance of an Asymmetric Fixed-Detached OWC Device
Medina Rodríguez, Ayrton Alfonso; Silva Casarín, Rodolfo; Blanco Ilzarbe, Jesús María (MDPI, 2021-09-25)
The chamber configuration of an asymmetric, fixed-detached Oscillating Water Column (OWC) device was investigated theoretically to analyze its effects on hydrodynamic performance. Two-dimensional linear wave theory was ... -
Accounting for homeowners? decisions to insulate: A discrete choice model approach in Spain
; Flores Abascal, Iván; Del Portillo Valdés, Luis Alfonso ; Mariel Chladkova, Petr ; Hoyos Ramos, David (Elsevier, 2022-10)
This paper assesses Spanish households' willingness to thermally insulate their homes and the drivers that influence such a decision-making process. Stated preference data were collected through a discrete choice experiment ... -
Analysis of the Embodied Energy and CO2 Emissions of Ready-Mixed Concrete: A Case Study in Cuenca, Ecuador
Vázquez-Calle, Karla; Guillén-Mena, Vanessa ; Quesada, Felipe (MDPI, 2022)
Concrete is the most commonly construction material used worldwide. In contrast to other countries, Ecuador lacks studies that determine the environmental impact of the production of construction materials. This research ... -
Analytical analysis of the magnetic field, heat generation and absorption, viscous dissipation on couple stress casson hybrid nano fluid over a nonlinear stretching surface
(Elsevier, 2022-12)The aim of this research paper is to study two-dimension flow of Casson hybrid nanofluid along with magnetic field, heat generation and absorption, and viscous dissipation on a nonlinear extending surface. The primary goal ... -
Análisis de metodologías de modelado de motores diésel marinos para su diagnosis y mantenimiento basado en condiciones
(2022-11-18)La presente tesis doctoral analiza las diferentes estrategias de modelado de motores diésel marinos existentes en el marco de su diagnosis y mantenimiento basado en condiciones. Concretamente, tras una fase preliminar en ... -
Avoiding Thermal Issues During Fast Charging Starting with Proper Cell Selection Criteria
González Aguirre, Eneko; Gastelurrutia Roteta, Jon; Patil, Mahesh Suresh; Del Portillo Valdés, Luis Alfonso (Electrochemical Society, 2021-11-01)
[EN] Proper cell selection is determinant to optimize systems and reduce risks for new and high demanding areas such as electromobility. Thermal performance must be an indispensable selection criterion to avoid thermal ... -
Caracterización de la formación de NOx térmicos en quemadores de difusión de hidrógeno y análisis de nuevas alternativas de diseño para calderas
(2021-11-04)En el marco de las energías renovables, el potencial del hidrógeno verde como vector energético se presenta como una de las alternativas para la reducción de emisiones de gases de efecto invernadero y dependencia de los ... -
Changes in the simulation of atmospheric instability over the Iberian Peninsula due to the use of 3DVAR data assimilation
González Rojí, Santos José; ; Sáenz Aguirre, Jon ; Ibarra Berastegi, Gabriel (Copernicus Publications, 2021-06-18)
[EN] Abstract. The ability of two downscaling experiments to correctly simulate thermodynamic conditions over the Iberian Peninsula (IP) is compared in this paper. To do so, three parameters used to evaluate the unstable ... -
Classical and intelligent methods in model extraction and stabilization of a dual-axis reaction wheel pendulum: A comparative study
(Elsevier, 2022-12)Controlling underactuated open-loop unstable systems is challenging. In this study, first, both nonlinear and linear models of a dual-axis reaction wheel pendulum (DA-RWP) are extracted by employing Lagrangian equa-tions ... -
Comparison between Energy Simulation and Monitoring Data in an Office Building
Martín Escudero, Koldobika; Atxalandabaso, Garazi; Ercoreca González, Aitor ; Uriarte, Amaia; Porta, Matteo (MDPI, 2021-12-30)
One of the most important steps in the retrofitting process of a building is to understand its pre-retrofitting stage energy performance. The best choice for carrying this out is by means of a calibrated building energy ... -
Comparison of Corrected and Uncorrected Enthalpy Methods for Solving Conduction-Driven Solid/Liquid Phase Change Problems
(MDPI, 2022-12-31)The numerical study of solid/liquid phase change problems represents a large and ongoing field of research with many applications. These simulations should run as fast and accurately as possible. Therefore, proceeding from ... -
Computational characterization of the behavior of a saliva droplet in a social environment
Ugarte Anero, Ainara; ; Portal Porras, Koldo; Zulueta Guerrero, Ekaitz; Urbina García, Oskar (Nature Research, 2022-04)
[EN] The conduct of respiratory droplets is the basis of the study to reduce the spread of a virus in society. The pandemic suffered in early 2020 due to COVID-19 shows the lack of research on the evaporation and fate of ... -
Control methodologies of energy performance certificates. Data quality assessment in the Basque Country and learning from experience to make improvements
Iribar Solaberrieta, Eider (2021-07-22)
The EPBDs required Member States (MSs) to establish an independent control system for the EPC. The Basque Country has its own system. The Laboratory for the Quality Control in Buildings (LCCE- for its acronym in Spanish) ... -
Data driven model for heat load prediction in buildings connected to District Heating by using smart heat meters
; ; ; Martín Escudero, Koldobika; ; ; (Elsevier, 2022-01-15)
[EN] An accurate characterization and prediction of heat loads in buildings connected to a District Heating (DH) network is crucial for the effective operation of these systems. The high variability of the heat production ... -
Decoupling the heat loss coefficient of an in-use office building into its transmission and infiltration heat loss coefficients
Uriarte Pérez de Nanclares, Irati; Ercoreca González, Aitor ; ; Martín Escudero, Koldobika ; Giraldo Soto, Catalina ; Odriozola Maritorena, Moisés (Elsevier, 2021-11)
[EN]The actual building energy performance essentially depends on the building occupant's behaviour, the real performance of the installed energy systems and the in-use performance of the building envelope. The thermal ... -
Defining the cooling and heating solar efficiency of a building component skin: application to a modular living wall
Azkorra Larrinaga, Zaloa; Ercoreca González, Aitor ; Flores Abascal, Iván ; Pérez Iribarren, Estibaliz ; Romero Antón, Naiara (Elsevier, 2022-06-25)
[EN] The thermal evaluation of building components composed of a base wall with a solar passive skin solution, such as a vertical/roof greenery system, ventilated facade, reflective painting, etc., is usually performed as ... -
Design and Operation of a Polygeneration System in Spanish Climate Buildings under an Exergetic Perspective
Picallo Pérez, Ana; Sala Lizarraga, José María Pedro (MDPI, 2021)
This work defines and analyzes the performance of a polygeneration system in five different locations in Spain to maintain the thermal comfort and air quality of an office building. The facility is based on a chiller and ... -
Design of a Microscale Refrigeration System for Optimizing the Usable Space in Compact Refrigerators
; Martín Escudero, Koldobika; Flores Abascal, Iván ; Azkorra Larrinaga, Zaloa ; Escudero Revilla, César ; (MDPI, 2022-01-24)
This research aims to enter the miniature refrigeration machine sector with the objective of designing a small scale unit while maintaining a competitive coefficient of performance (COP), comparing with a Peltier plates ...