Browsing by Subject "Hidrogen com a combustible"
Now showing items 1-20 of 128
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7 - Hydrogen production in microreactors
(Elsevier, 2020-07-24)
Part of book or chapter of book
Restricted access - publisher's policyCatalytic microreactors constitute a crucial technology for process intensification in the production of hydrogen, particularly for on-site and/or onboard applications intended to feed fuel cells. This chapter describes ... -
A novel matheuristic based on bi-level optimization for the multi-objective design of hydrogen supply chains
(Pergamon Press, 2021-09)
Article
Open AccessThis work introduces an efficient tool for the design of sustainable hydrogen supply chains (HSCs), considering both economic and environmental concerns, through an appropriate multi-objective strategy. The original problem, ... -
A Pd/Al2O3-based micro-reformer unit fully integrated in silicon technology for H-rich gas production
(Institute of Physics (IOP), 2019-11-01)
Article
Open AccessThis work reports the design, manufacturing and catalytic activity characterization of a micro-reformer for hydrogen-rich gas generation integrated in portable-solid oxide fuel cells (µ-SOFCs). The reformer has been designed ... -
A reduced-order model for real-time NMPC of ethanol steam reformers
(Science Press, 2021)
Conference report
Open AccessOne of the approaches to green energy of interest in recent years is through the use of hydrogen technologies in which the waste product of combustion is water rather than carbon dioxide, nitrous oxides, and other pollutants ... -
Adaptació d'una gasolinera a una hidrogenera
(Universitat Politècnica de Catalunya, 2023-10-31)
Bachelor thesis
Open AccessAquest projecte es basa en l’adaptació d’una estació de servei, en la que es subministren derivats del petroli, cap a una estació de servei on també es subministri hidrogen a pressió en estat gasós. Aquesta adaptació pretén ... -
Alcohols and bio-alcohols steam and autothermal reforming in a membrane reactor
(2014-11-28)
Part of book or chapter of book
Restricted access - publisher's policyConsiderable work has been reported concerning catalytic steam reforming, partial oxidation and oxidative steam reforming (autothermal reforming) aimed at hydrogen generation from alcohol-water mixtures. They include ... -
L'alternativa de l'hidrogen en el món de l'automoció
(Universitat Politècnica de Catalunya, 2019-06)
Bachelor thesis
Open AccessEl següent treball té com objectiu veure si els vehicles elèctrics de pila de combustible d’hidrogen té una viabilitat a curt/mig termini. Per això es farà una descripció breu de les diverses alternatives actuals existents ... -
Analysis and evaluation of a fuel cell based automotive vehicle with on-board hydrogen storage
(Universitat Politècnica de Catalunya, 2023-07-19)
Bachelor thesis
Open AccessThis work focuses on the study, analysis and evaluation of a fuel cell-based vehicle with on-board hydrogen storage. To begin with, an analysis will be made of the 3 different types of automobiles that currently exist: ... -
Analysis of the use of recycled aluminum to generate green hydrogen in an electric bicycle
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-02-10)
Article
Open AccessThis article proposes using recycled aluminum, generating hydrogen in situ at low pressure, to power a 250 W electric bicycle with a fuel cell (FC), to increase the average speed and autonomy compared to a conventional ... -
Análisis de la viabilidad técnica de la conversión de las terminales de GNL por LH2 en el puerto de barcelona
(Universitat Politècnica de Catalunya, 2023-10)
Master thesis
Open AccessEl hidrógeno se considera uno de los combustibles del futuro y la tecnología del hidrógeno líquido (LH2) tiene un gran potencial para convertirse en el vector energética ideal para alcanzar la neutralidad climática propuesta ... -
Análisis de las emisiones de un motor alternativo de combustión de hidrógeno
(Universitat Politècnica de Catalunya, 2023-10-05)
Master thesis
Open AccessEl projecte consisteix a desenvolupar el control d'un grup electrògen que utilitzarà hidrogen com a combustible en lloc de gasolina. Es parteix d'un grup electrògen basat en el model Honda GX160, el qual ha estat adaptat ... -
Análisis de las opciones de sustitución de combustibles por soluciones sostenibles en la flota de autobuses de TMB en Barcelona
(Universitat Politècnica de Catalunya, 2022-07-04)
Bachelor thesis
Open AccessAquest treball de fi de grau aborda un estudi de millora energètica d'un dels sectors més contaminants del món, el transport. Se centra concretament en analitzar energèticament el model actual de transport urbà d'autobusos ... -
Análisis y optimización de una red de distribución de hidrógeno
(Universitat Politècnica de Catalunya, 2012-12)
Master thesis (pre-Bologna period)
Restricted access - author's decisionEl hidrógeno es un recurso utilizado en las refinerías de petróleo en varios tratamientos aplicados a los hidrocarburos, con la finalidad de eliminar impurezas y producir combustibles y otras materias primas de mayor ... -
Applications for large scale hydrogen production in wind parks
(Universitat Politècnica de Catalunya, 2020-07-09)
Master thesis
Open AccessThis work is a feasibility study on the possible outputs of hydrogen generated from renewable energy in wind parks or other renewable plants. It delves into the study of all possible application outputs by conducting ... -
Ausarbeitung und konstruktive Umsetzung von minimalinvasiven optischen Diagnostikmethoden in Wasserstoffmotoren
(Universitat Politècnica de Catalunya, 2024-03-07)
Master thesis
Open Access
Covenantee: Technische Universität MünchenThis master's thesis explores various minimally invasive methods for capturing images inside a large hydrogen combustion engine. The objective is to conduct a literature review on existing methods, select the most suitable ... -
Bio-ethanol steam reforming and autothermal reforming in 3- m channels coated with RhPd/CeO2 for hydrogen generation
(2013-02)
Article
Restricted access - publisher's policyA silicon micromonolith of 7 mm diameter and 0.2 mm length containing 1.5 million regular channels with a diameter of 3.3 μm was used for obtaining hydrogen through ethanol or bio-ethanol steam reforming (ESR) and oxidative ... -
Calibration and verification of CFD-VOF models for the analysis of pressurization scenarios in LH2 tanks
(Institute of Physics (IOP), 2024)
Conference report
Open AccessDue to its high power density, the aviation sector is pushing towards its electrification by designing new propulsion systems based on cryogenic liquid hydrogen (LH2). From an engineering point of view, the efficient design ... -
Catalytic ammonia decomposition for hydrogen production on Ni, Ru and Ni–Ru supported on CeO2
(2019-05-13)
Article
Open AccessCeria-supported Ni, Ru and NiRu catalysts have been tested in the catalytic decomposition of ammonia to yield hydrogen and their performance in long-term tests has been compared to alumina-supported Ni and Ru samples. The ... -
Catalytic membrane reactors based on macroporous silicon for hydrogen production
(2010)
Conference report
Open AccessThe typology of using hydrogen as an energy carrier and its implementation in portable fuel cells has motivated a considerable research interest in the development of new efficient hydrogen production technologies. Hydrogen ... -
CO Total and Preferential Oxidation over Stable Au/TiO2 Catalysts Derived from Preformed Au Nanoparticles
(2020-09-07)
Article
Open AccessCO preferential oxidation (PROX) is an effective method to clean reformate H2 streams to feed low-temperature fuel cells. In this work, the PROX and CO oxidation reactions were studied on preformed Au nanoparticles (NPs) ...