Browsing by Subject "Combustion"
Now showing items 1-20 of 47
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A Comparative Study of Natural Gas and Biogas Combustion in A Swirling Flow Gas Turbine Combustor
(2021-02-22)
Article
Open AccessIn this study, non-premixed combustion of a traditional fuel-natural gas, and an alternative fuel-biogas, is simulated in a swirling flow industrial gas turbine combustor geometry which includes the combustor liner and the ... -
A computationally efficient approach for soot modeling with discrete sectional method and FGM chemistry
(Elsevier, 2023)
Article
Open AccessA novel approach for the prediction of soot formation in combustion simulations within the framework of discrete sectional method (DSM) based univariate soot model and Flamelet Generated Manifold (FGM) chemistry, referred ... -
A dynamic load balancing method for the evaluation of chemical reaction rates in parallel combustion simulations
(Elsevier, 2019-08-15)
Article
Open AccessThe development and assessment of an efficient parallelization method for the evaluation of reaction rates in combustion simulations is presented. Combustion simulations where the finite-rate chemistry model is employed ... -
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 ... -
Aplicación del método level set para modelar el proceso de combustión premezclada en un motor Otto de dos tiempos
(Universitat Politècnica de Catalunya. CIMNE, 2013)
Article
Open AccessEn este artículo se ha utilizado el método numérico conocido como level set para modelar el proceso de combustión en un motor Otto de dos tiempos. Se ha implementado el level set en un software libre de mecánica de fluidos ... -
Assessment of dynamic adaptive chemistry with tabulated reactions for the simulation of unsteady multiregime combustion phenomena
(2023-05)
Article
Open AccessSolving 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, ... -
Combustion and air flows simulations of an industrial kiln for sanitary ware manufacture
(Begell House, 2023)
Conference lecture
Restricted access - publisher's policyThe implementation of green hydrogen as fuel in industrial kilns, such as those required in ceramic ware manufacturing processes, would be a disruptive milestone in the decarbonization process of the energyintensive industry. ... -
Comparative study of subfilter scalar dissipation rate and mixture fraction variance models
(2014)
Conference report
Restricted access - publisher's policyAccurate characterisation of mixing at the subfilter level is a critical aspect in many LES combustion models, such as flamelet based and Conditional Moment Closure models. Several models can be found in the literature, ... -
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 -
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 ... -
Dynamic load balance of chemical source term evaluation in high-fidelity combustion simulations
(Elsevier, 2023)
Article
Open AccessThis paper presents a load balancing strategy for reaction rate evaluation and chemistry integration in reacting flow simulations. The large disparity in scales during combustion introduces stiffness in the numerical ... -
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 ... -
Effect of wall heat flux on flame temperature profiles during side-wall quenching using advanced diagnostics
(2023)
Conference lecture
Restricted access - publisher's policyFlame-wall interaction (FWI) is a topic of increasing importance within combustion science. The fundamentals of FWI govern fuel efficiency, durability, and pollutant emissions in propulsion and power generation. Significant ... -
Estudio cinético del aprovechamiento energético de maderas residuales (I)
(2010-06)
Article
Restricted access - publisher's policyEn esta primera parte del artículo, se estudia experimentalmente la cinética de la descomposición térmica de cinco tipos diferentes de madera residual por medio de ensayos dinámicos realizados por análisis termogravimétrico ... -
Estudio y viabilidad de los modelos de propulsión mediante energías renovables en el sector aeronáutico
(Universitat Politècnica de Catalunya, 2024-07-15)
Bachelor thesis
Open AccessThis Final Degree Project focuses on the comprehensive evaluation of propulsion systems powered by renewable energies within the aeronautical sector, contrasting them with traditional propulsion systems to determine their ... -
Evaluation of steel structures integrity in a post-fire condition: case study of the Serradells sports centre in Andorra
(2022-10)
Article
Open AccessA new methodology is proposed for assessing the integrity of steel structures in a post-fire condition. The work includes a combination of numerical simulations and experimental techniques. A fire that affected the sports ... -
Experimental analysis of real-scale burning tests of artificial fuel packs at the Wildland-Urban Interface
(2022-02)
Article
Open AccessThe combustion of artificial fuels at Wildland-Urban Interface (WUI) homeowner scale has been identified as a contributor to fire spread through a property, often leading to the ignition of structures, hence involving major ...
