Programa de Doctorat en Enginyeria Mecànica, Fluids i Aeronàutica: Enviaments recents
Ara mostrant els elements 41-60 de 106
Microfluidic platforms: from 3D printing to µPADs for chemical and biological applications
Mehrdel, Pouya (Data de defensa: 2021-09-14)
Over the past decade, microfluidic technology has proven its capabilities to start bringing detection and quantification capacities to novel miniaturized devices. The current generation of microfluidic platforms provide ...
Improved condition monitoring of hydraulic turbines based on artificial intelligence techniques
Zhao, Weiqiang (Data de defensa: 2021-07-21)
As a type of renewable energy that can provide rapid response to the requirement of the power grid, hydropower plays a fairly important position in the energy market. In recent years, with the enormous entrance of new ...
Contribución a la metodología de caracterización dinámica de materiales resilientes para aplicaciones ferroviarias
Reina, Salvatore (Data de defensa: 2021-07-09)
This thesis is focused on the enhancement and development of advanced methodologies for the dynamic characterisation of resilient elements used in railway applications. On the one hand, this thesis proposes several ...
Análisis de la respuesta dinámica en agitadores industriales
Bossio, Matias (Data de defensa: 2021-06-01)
In food and pharmacological industries, reducing the production time and improving the machine flexibility to be adapted to new products is a constant necessity. This generate changes on the initial working conditions for ...
Second life batteries of electric vehicles : analysis of use and management models
Rallo Tolós, Héctor (Data de defensa: 2021-02-09)
The mobility of the future undoubtedly involves the electrification of vehicles. The increase in social awareness towards a reduction in CO2 emissions, together with the introduction of new laws regulating them, has finally ...
Computational aeroacoustics in the automotive industry
Martín Navarrete, Rocío (Data de defensa: 2021-02-02)
The acoustic field inside a car cabin for low driving speeds is dominated by the engine or the tire noise. However, for mid to high velocities, the noise generated by the interaction of the car with the external air becomes ...
Modelo estocástico de hueso cortical de costilla humana para la predicción de fracturas mediante emisión acústica
García Vilana, Silvia (Data de defensa: 2021-02-04)
In this document, a non-linear constitutive model with micro-cracking and irreversibility is proposed for cortical bone of the human rib, extended with a stochastic fracture model, based on acoustic emission. Both models ...
Amortiguación de final de carrera de actuadores hidráulicos
Algar Espejo, Antonio (Data de defensa: 2021-02-08)
The internal cushioning systems of hydraulic linear actuators, of special interest in mobile machinery, pursue to avoid mechanical shocks at their end of stroke. The design where the piston, with perimeter grooves, regulates ...
Numerical investigation and modelling of the unsteady behavior and erosion power of cloud cavitation
Geng, Linlin (Data de defensa: 2021-01-28)
Cloud cavitation is a unwanted phenomenon taking place in many hydraulic machines which damages the surfaces of the solid walls due to the erosive aggressiveness induced by the collapse process. Therefore, it is necessary ...
Study of the beam induced vacuum effects in the cryogenic beam vacuum chamber of the Future Circular Hadron Collider
Bellafont Peralta, Ignasi (Data de defensa: 2021-01-25)
The Future Circular Hadron Collider (FCC-hh) is a proposal for a 100 km long hadron collider conceived as the successor of the Large Hadron Collider (LHC). The FCC-hh is designed to reach 50 TeV of beam energy, greatly ...
Numerical investigation on applications simulated via using lattice Boltzmann method
An, Bo (Data de defensa: 2019-12-12)
The present doctoral thesis is about the numerical investigation simulated via using lattice Boltzmann method (LBM), the applications cover a large scale of subjects, including 1. Mathematical-physical equations A new ...
Numerical tools for computational design of acoustic metamaterials
Roca Cazorla, David (Data de defensa: 2020-09-07)
The notion of metamaterials as artificially engineered structures designed to obtain specific material properties, typically unachievable in naturally occurring materials, has captured the attention of the scientific and ...
Contributions to aerostructures morphing with piezoelectric actuators
Arnau Cubillo, Albert (Data de defensa: 2020-04-03)
Since the first models developed in the late 19th century, the applications of piezoelectric materials have been progressively growing in number. The capacity of these materials to couple electric and mechanic fields makes ...
Research on fluidic oscillators under incompressible and compressible flow conditions
Baghaei, Masoud (Data de defensa: 2020-07-24)
One of the main advantages of fluidic oscillators is that they do not have moving parts, which brings high reliability whenever being used in real applications. To use these devices in real applications, it is necessary ...
Study and characterization of mechanical properties of wood-PLA composite (Timberfill) material parts built through fused filament fabrication
Zandi, Mohammad Damous (Data de defensa: 2020-07-17)
This research is based upon the additive manufacturing (AM) technology which aims to study the mechanical properties of innovative commercial wood-PLA composite material (Timberfill) and characterize its behavior. Specifically ...
Estudio del mecanizado asistido por vibración
Flórez García, Luís Carlos (Data de defensa: 2020-09-09)
The objective of this work is to analyze the influence of assisted vibration, VAM, in the process of turning steel. Initially, the surface finish generated in a lathe displacement is studied utilizing a geometric intersection ...
Optimization of interplanetari trajectories with gravity assist
Torre Sangrà, David de la (Data de defensa: 2020-07-28)
Interplanetary travel is a difficult task due to the high fuel mass required to reach other planets. Minimizing the cost of the manoeuvres (and, in turn, the fuel mass) is the objective preliminary mission design. During ...
Microfluidic platform for multiple parameters readouts in a point-of-care
Karimi, Shadi (Data de defensa: 2020-05-11)
The research is motivated by real applications, such as pasteurization plant, water networks and autonomous system, which each of them require a specific control system to provide proper management able to take into account ...
Estabilización de suelos con bacterias Sporosarcina pasteurii
Ivanova Téneva, Elitsa (Data de defensa: 2020-02-28)
This thesis has been focused on optimizing the resistent capacity and reducing the permeability of fine and clay granular soils through the MICP (Microbiologically induced calcite precipitation). MICP is a natural biological ...
Study of the dynamic behavior of Pelton Turbines
Egusquiza Montagut, Mònica (Data de defensa: 2020-02-14)
The future of hydropower is tied to the rapid increase of new renewable energies, such as photovoltaic and wind energy. With the growing share of intermittent electricity production, the operation of hydropower installations ...

