Browsing by Subject "Combustió"
Now showing items 1-20 of 49
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A new method for performing smouldering combustion field experiments in peatlands and rich-organic soils
(2017-12-08)
Article
Open AccessSmouldering ground fires have severe environmental implications. Their main effects are the release of large amounts of carbon to the atmosphere with loses of organic soil and its biota. Quantitative data on the behaviour ... -
Advanced study for the numerical resolution of the Navier-Stokes equations. Applications to mass transport phenomena and combustion modelling with parallel programming
(Universitat Politècnica de Catalunya, 2022-06-27)
Master thesis
Open AccessThe present thesis consists on the computational study and development of a 3D reactive flows solver. The main objective is the creation of C++ programming codes able to simulate the combustion chemical reactions. To do ... -
An extended flame index partitioning for partially premixed combustion
(Taylor and Francis, 2020)
Article
Open AccessCompared to partially premixed combustion (or combustion of non-homogeneous reactants in general), fully premixed and diffusion flames represent only two asymptotic limits of combustion modes. However, the deep knowledge ... -
Analisi di un modello semlificato per la dinamica dei incendi. Il Modello semplificato di Mowrer.
(Universitat Politècnica de Catalunya / Politecnico di Torino, 2011)
Master thesis (pre-Bologna period)
Open AccessLo scopo di questa tesi è analizzare la gamma di validità del modello semplificato di Mowrer per il calcolo della dinamica degli incendi in ambienti confinati. Lo scopo di questi modelli è sostituire i modelli di simulazione ... -
Analysis of flame length amd lift-off of jet fires
(Universitat Politècnica de Catalunya, 2014-10)
Master thesis
Open Access -
Analysis of the geometric and radiative characteristics of hydrocarbon pool-fires
(2004-08-01)
Article
Restricted access - publisher's policyThe radiation intensity at a given distance depends mainly on the radiative power and the flame’s size and shape. Considerable literature describing both experimental and theoretical studies of thermal radiation from ... -
Anàlisi unidimensional d'un motor de combustió interna amb Boost
(Universitat Politècnica de Catalunya, 2014-01-08)
Bachelor thesis
Restricted access - author's decisionL’estudi de motors que es presenta a continuació té com a objectiu principal il·lustrar els processos tèrmics que succeeixen en l’interior d’un motor de combustió interna (MCI) de forma numèrica i gràfica, fer-ne un ... -
Assessment of dynamic adaptive chemistry with tabulated reactions for the simulation of unsteady multiregime combustion phenomena
(2023-05)
Article
Restricted access - publisher's policySolving chemistry is an integral part of reacting flow simulations, usually dominating the computational cost. Among the different strategies to accelerate the solution of chemistry and to achieve realizable simulations, ... -
Caracterització CFD del procés d’injecció i combustió en un MCI Heavy Duty
(Universitat Politècnica de Catalunya, 2021-01-28)
Bachelor thesis
Open AccessEl combustible dièsel representa un gran percentatge d’ús en els vehicles degut a la òptima relació d’eficiència-cost. Les característiques d’aquest fuel el fan especialment atractiu per a transports de llarga distància i ... -
CFD modelling of Jet Fire
(Universitat Politècnica de Catalunya, 2011)
Master thesis (pre-Bologna period)
Restricted access - author's decision -
Constant pressure combustion chamber for a high energetic solid propellant study as a part of a low cost launcher
(Universitat Politècnica de Catalunya, 2010-11-30)
Bachelor thesis
Open Access -
Design of a compact combustor-heat exchanger
(Universitat Politècnica de Catalunya / Lunds Tekniska Högskola, 2008)
Master thesis (pre-Bologna period)
Restricted access - confidentiality agreement -
Development of a Combustion Model for a Pyrotechnic Actuator
(Universitat Politècnica de Catalunya, 2012)
Master thesis (pre-Bologna period)
Restricted access - author's decision -
Diseño de una instalación para el estudio del efecto dominó con dardos de fuego
(Universitat Politècnica de Catalunya, 2019-02-04)
Bachelor thesis
Open AccessEn este trabajo de fin de grado se pretende diseñar, construir y poner en funcionamiento una instalación para analizar experimentalmente el impacto de dardos de fuego, mediante propano, en tuberías de transporte de fluidos ... -
Disseny del sistema d'ignició d'un motor de combustible sòlid
(Universitat Politècnica de Catalunya, 2013-09-13)
Bachelor thesis
Open AccessThe study that has been developed in the following academic work deal with the design of an engine of solid propellant ignition system to collaborate with a project named WikiSat. Its main objective is to place a ... -
Effect of bio-based phytate (PA-THAM) on the flame retardant and mechanical properties of polylactide (PLA)
(2020-08-01)
Article
Open AccessA novel bio-based flame retardant (Phytic acid - trometamol, PA-THAM) was prepared via salt formation reaction between phytic acid and trometamol. The chemical structure and thermal stability of this novel phytate were ... -
Effect of the incorporation of BiFeO3 on the structural, electrical and magnetic properties of the lead-free Bi0.5Na0.5TiO3
(2021-11-05)
Article
Open AccessPowders of the system (1–x)Bi0.5Na0.5TiO3–xBiFeO3 (x = 0, 0.02, 0.08, 0.10) are synthesized by the combustion reaction method. The crystal structure and the particle size of Bi0.5Na0.5TiO3 are modified by the incorporation ... -
Estudi del comportament i modelització dels dolls de foc
(Universitat Politècnica de Catalunya, 2016-05-02)
Bachelor thesis
Open AccessL’anàlisi de risc en el sector industrial químic, és una de les eines més útils que existeixen actualment, no obstant, hi ha fenòmens que encara no estan prou estudiats per a poder establir mesures prou precises, degut a ... -
Estudi d’emissions en un vehicle Heavy-Duty a partir d’un PEMS (Portable Emissions Measurement System)
(Universitat Politècnica de Catalunya, 2020-07-09)
Bachelor thesis
Open AccessLa contaminació es un problema reconegut des dels anys 70. Industries com l’automoció, generen una petjada ecològica important reflectida en la contaminació de l’aire. Com a solució, s’han implementat límits que obliguen ... -
Estudi numèric del flux dins de la tovera d'un motor coet
(Universitat Politècnica de Catalunya, 2009-07-20)
Bachelor thesis
Open Access
