Programa de Doctorat en Enginyeria Nuclear i de les Radiacions Ionitzants: Enviaments recents
Ara mostrant els elements 1-20 de 35
PyMCGPU-IR, a computational Monte Carlo application for occupational dosimetry in interventional radiology procedures
(English) Interventional radiology procedures expose both patients and operators to radiation. It is crucial to minimise this exposure and comply with dose limits while ensuring the success of the procedure. Personal ...
Predictive simulation, active diagnosis and dynamic monitoring for tritium processing systems
(English) Nuclear fusion has been under development for years, showing consistent advancements toward becoming a clean and efficient energy source. However, significant challenges persist in this field, with tritium handling ...
Analysis of ICRF heating schemes for tokamaks using predictive integrated plasma modelling
(English) Heating plasmas to fusion-relevant temperatures stands as a pivotal factor in magnetically confined fusion plasmas. The application of radio frequency (RF) heating through electromagnetic waves in the ion cyclotron ...
Heat transfer correlations for liquid metal flows under nuclear fusion conditions
(English) This thesis focuses on modeling the circulation of liquid metal through the breeding blanket channels of a tokamak fusion reactor. Apart from extracting the heat produced by the nuclear reactions of the plasma, ...
Cylindrical microplane model for fiber reinforced polymer composites
(English) Fiber-reinforced polymers (FRPs) are the most used composite materials in many applications, from broom handle to the main structure of advanced aircraft. Despite the enormous research done on these materials, ...
Understanding secondary emission processes and beam matter interactions for optimization of diagnostic wire grid system in particle accelerators : thermal modeling for beam power limits calculation
(English) Thin targets, in form of foils, stripes or wires, are widely used in beam instrumentation to measure various beam parameters, such as intensity, position and size. All these monitors can differ in geometry and ...
Evaluation of TH multi-scale coupling methods in BEPU analysis
The combined use of thermal-hydraulics system with sub-channel codes (TH-TH coupling) in transient analysis provides an integrated tool with the capability of modelling in detail both the core thermal-hydraulic conditions ...
Local optics corrections in the HL-LHC
In order to increase the performance of particle colliders, it is crucial to make the beam sizes at the collision points as small as possible. This causes an increase of the beam size in the region surrounding the collision ...
Analysis of energetic particle-driven Alfvénic instabilities in tokamak and stellarator plasmas using three dimensional numerical tools
In this thesis, a detailed analysis of the experientially observed energetic particle-driven Alfvénic instabilities in tokamak and stellarator plasmas using three dimensional numerical tools based on the reduced MHD model ...
Neutron capture cross section measurement of the heaviest s-process branching 204Tl and of 203Tl at CERN n_TOF
Neutron capture cross sections are fundamental in the study of the slow neutron capture process of nucleosynthesis, also known as the s-process, which produces half of the observed solar system abundances of elements heavier ...
Study of a Compton camera based on CsI(Tl) scintillator bars for radiological environmental imaging
Compton cameras are used for radiological imaging, which can be useful in environmental applications and especially in determining the position of hidden sources. Current Compton cameras are based on pixelated detectors ...
Computational analysis of ion cyclotron resonance frequency heating for JET experiments
Heating plasmas to a relevant fusion temperature is one of the key aspects of magnetically confined fusion plasmas. Radio frequency (RF) heating with electromagnetic waves in the ion cyclotron range of frequencies (ICRF) ...
Levels and behaviour of radionuclides in water treatment plants : the case of the Barcelona metropolitan area urban water cycle
The Barcelona metropolitan area (BMA; 3.2 M inhabitants) has an integrated urban water cycle management. Different type of treatment plants are located along the drinking, sewerage and reuse networks where specific treatments ...
Development of a solid state amplifier for the 3rd harmonic cavity for ALBA synchrotron light source
In Synchrotron Light Source facilities with high energy and low emittance electron beams different techniques for improving the quality of the synchrotron light for the users are applied. With this aim ALBA, the Spanish ...
Development of the new AINA code and its application to the Safety Analysis of the European DEMO designs
A conclusion that can be drawn from the historical safety analyses developed for tokamaks fusion reactors is that some of the major risks involve incidents in the vacuum vessel. In order to evaluate plasma evolution and ...
Development and assessment of estimate methods for internal dosimetry using PET/CT
The aim of this thesis was to assess and develop internal dose calculations methods in diagnostic and therapeutic nuclear medicine procedures to patients undergone PET/CT explorations. Towards this objective, the accuracy ...
Historical review of fire safety at NPP and application of fire PSA to Westinghouse PWR NPP in the frame of risk-informed decision making by
The importance of fire as a potential initiator of multiple-system failures took on a new perspective after the cable-tray fire at Browns Ferry in 1975 The review have shown that the first generation Nuclear Power Plant ...
Producción fotocatalítica de H2 con microrreactores y cristales fotónicos
The depletion of fossil fuels and increase of global warming lead to a high demand for alternative energy sources that should be cheap and renewable to fulfill the future energy demand. The photocatalytic generation of H2 ...
Neutronics analysis and thermodynamics studies of several DEMO breeding blankets for the development of the AINA safety code
By 2050 the energy consumption is expected to increase considerably.The production might be mostly based on renewable energy mix driven by the nuclear fusion which could potentially deliver continuous, large-scale power ...
Desarrollo y aplicación de herramientas de valoración de riesgos tecnológicos en centrales nucleares españolas a partir de la técnica de "Análisis Probabilista de Seguridad"
The PhD thesis "Desarrollo y aplicación de herramientas de valoración de riesgos tecnológicos en centrales nucleares españolas a partir de la técnica de Análisis Probabilista de Seguridad” results from the research projects ...
