Universitat Politècnica de Catalunya: Envíos recientes
Mostrando ítems 21-40 de 5826
Clinical comparison of two specialty soft lenses for Keratoconus
(English) Due to advanced diagnostic instruments for detection of early-stage keratoconus (KC), and procedures that halt its progression such as corneal collagen cross-linking (CXL), optometry clinics are now seeing less ...
Towards shock absorbing hyperelastic metamaterial design
(English) This thesis explores the possibilities and benefits of computational tools to be used in the analysis and design of shock absorbing metamaterials for industrial applications. The research is organized into two ...
Integración de la relación salud humana y cambio climático en el marco de la resiliencia urbana: propuesta metodológica de evaluación y operacionalización en un contexto latinoamericano
(English) This study addresses the relationship between climate change and human health in the framework of urban resilience in a Latin American context. It sought to strengthen the climate and health components through ...
Access mechanisms for massive Internet of Things in 5G and beyond networks
(English) The Massive Internet of Things (MIoT) characterizes a communication scenario where a massive number of battery-operated devices perform infrequent, primarily uplink-oriented small data transmissions to a network. ...
Applications of the OCATA optical layer digital twin
(English) Optical transport networks (OTNs) are a core infrastructure and key-enabler of today’s hyper-connected society as most of the Internet data traffic is transferred over optical fibers. Traffic demand is experiencing ...
Control design for converters in modern power system
(English) Dynamic behavior of modern power system is increasingly influenced by the dynamics of power converters. At the generation level, a high volume of wind and solar energy with their large-scale power converters are ...
A face-centred finite volume solver for viscous laminar incompressible flows using OpenFOAM
(English) Incompressible flow simulations are crucial for numerous scientific and engineering applications, from automotive aerodynamics to biomedical device design. Traditional finite volume (FV) methods, such as the ...
Aerodynamic shape optimization under uncertainties using embedded methods and adjoint techniques
(English) This thesis develops a framework to perform shape optimization under uncertainties for a body under the action of aerodynamic forces. The solution of the flow is performed with finite elements using the full ...
Power control and voltage quality enhancement on inverter-based AC microgrids
(English) Nowadays, the environmental concerns for conventional fossil fuel-based power generation are transforming the energy landscape into a more sustainable system. To this end, distributed generation (DG) units have ...
Innovative contributions to ionospheric scintillation monitoring using GNSS observations
(English) Ionospheric scintillation adversely impacts Global Navigation Satellite System (GNSS) receivers by inducing signal amplitude fading and rapid carrier phase variations, degrading positioning accuracy in regions ...
Quantum-gas microscopy of strontium Bose- and Fermi-Hubbard systems
(English) Ultracold atoms have proven to be a valuable asset to study and understand complex quantum many-body systems in a well-controlled setting. In particular, quantum-gas microscopes provide unprecedented access to ...
Design and implementation of high-level multilevel inverters: focusing on 15-level, 25-level, and 33-level topologies with asymmetrical configuration and optimal component choices
(English) The primary goal of this thesis is to establish multilevel inverter (MLI) topologies for industrial settings. Because of its numerous benefits, including low power dissipation on power supplies and low harmonic ...
Life cycle assessment as a tool for the industrialisation of chemical and mechanochemical processes
(English) The chemical sector is a $4 trillion global business and a major employer, with chemicals present in almost all manufactured products. Increasing investment and the chemical industry's innovative capacity to ...
Influence of household washing on the variation of the properties of intrinsic natural color organic cotton fabrics
(English) Natural colored organic cotton fabrics gained considerable attention in recent years owing to due to their environmental friendliness and sustainability production. This imparts unique colors and patterns to the ...
Multi-scale hydro-mechanical and gas transport characterisation of granular bentonite
(English) Bentonite-based materials with low permeability, great water retention and self-sealing properties have been extensively used for engineered barriers in waste disposal facilities. Several typologies of bentonites ...
Coordination of smart B5G radio access and autonomous optical transport networks
(English) Future radio access network (RAN) will operate with massive and heterogeneous small-cell deployments and end-to-end (e2e) connectivity in support of diverse beyond fifth-generation (B5G) use cases. More and more ...
Multi-regime combustion modelling in high-fidelity numerical simulations of reacting flows
(English) The quest to reduce carbon-based emissions has led to the use of alternative fuels and combustion systems. The aviation industry presents unique challenges due to the need for high-energy fuels, with e-fuels and ...
Evaluation of potential hazard due to off-stream reservoir failure using machine learning techniques
(English) Hazard classification for dams and off-stream reservoirs, which entails identifying potential damages in the event of structural failure, is a crucial tool for implementing local-level risk reduction plans. ...
A novel computational homogenization theory for multilayered plates: the multiscale 2D+ approach
(English) This doctoral thesis presents a novel multiscale theory for the analysis of multilayered plate structures, termed the "Multiscale 2D+ approach" or, simply, "2D+". Based on the formalism of computational ...
Control of floating offshore energy hubs
(English) The significant worldwide offshore potential has garnered considerable interest from energy companies and oil and gas plant owners in recent years. With significant advancements in bottom-fixed structures, floating ...
