Exploració per tema "Thermochemistry"
Ara es mostren els items 1-17 de 17
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Développement d’une technique expérimentale de détermination de la distribution des temps de séjours des phases solide et gazeuse
(Universitat Politècnica de Catalunya / Université de Technologie de Compiègne, 2011)
Projecte/Treball Final de Carrera
Accés obertLe projet CEGASET est un projet cofinancé par le Conseil Régional de la Picardie et l’Union Européen. Il est développé dans le «Laboratoire des Transformations Intégrées de la Matière Renouvelable (TIMR)» de l’UTC et le ... -
Estudi de l'aplicació de compreses calentes com a mètode d'escalfament en una carmanyola
(Universitat Politècnica de Catalunya, 2010-04)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorLa idea d’aquest projecte sorgeix del descobriment d’una necessitat bàsica en el transcurs dels primers anys de carrera. Degut a l’important temps dedicat tant a estudis, com pràctiques i classes, es descobrí una manca ... -
Estudio del Na2S como material de almacenamiento termoquímico
(Universitat Politècnica de Catalunya, 2013-04)
Projecte/Treball Final de Carrera
Accés obertLos sistemas de almacenamiento de energía térmica (TES) tienen el potencial de aumentar la efectividad de equipos que funcionen mediante energía térmica, debido a que permiten almacenar el calor perdido. Cuando se trabaja ... -
High temperature thermal energy storage systems based on latent and thermo-chemical heat storage
(Universitat Politècnica de Catalunya / Technische Universität Wien, 2010)
Projecte/Treball Final de Carrera
Accés obertThe increasing of the population and development of the different countries converts the energy topic in one of the most important aspects of our times. The main target due to the limited life of conventional energy ... -
Investigation on the thermal degradation and kinetic parameters of innovative insulation materials using TGA-MS
(2015-04-13)
Article
Accés obertThermogravimetric analyzer coupled to a mass spectrometer (TGA-MS) was used to study the thermochemical behavior of eight samples. Two varieties of straw (wheat and barley) and two others of binder (lime and plaster) have ... -
Liquid-liquid miscibility gaps and hydrate formation in drug-water binary systems: Pressure-temperature phase diagram of lidocaine and pressure-temperature-composition phase diagram of the lidocaine-water system
(2010-06-01)
Article
Accés restringit per política de l'editorialThe pressure–temperature (P–T) melting curve of lidocaine was determined (dP/dT¼3.56MPaK 1), and the lidocaine–water system was investigated as a function of temperature and pressure. The lidocaine–water system exhibits ... -
Modelització de dolls de foc
(Universitat Politècnica de Catalunya, 2009-06)
Projecte/Treball Final de Carrera
Accés obertEls dolls de foc són fenòmens de tipus tèrmic, que tenen lloc, principalment a la indústria, i que es consideren accidents greus. La seva principal problemàtica no resideix tant en la radiació generada, ja que aquesta ... -
Nanoshaped cerium oxide with nickel as a non-noble metal catalyst for CO2 thermochemical reactions
(2023-04-01)
Article
Accés obertFour different nanoshapes of cerium dioxide have been prepared (polycrystals, rods, cubes, and octahedra) and have been decorated with different metals (Ru, Pd, Au, Pt, Cu, and Ni) by incipient wetness impregnation (IWI) ... -
Optimització d'un procés termoquímic per la millora de l'osteointegració dels implants dentals i la seva aplicació en la producció industrial
(Universitat Politècnica de Catalunya, 2009-06)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorL’èxit clínic dels implants dentals, fabricats en titani comercialment pur (Ti c.p.), està intimament lligat a l’assoliment de l’osteointegració; és a dir, a l’obtenció de la connexió directa estructural i funcional entre ... -
Phase transition in hydrogen-bonded 1-adamantane-methanol
(2015-08-01)
Article
Accés obertThe polymorphism of 1-adarnantane-methanol C11H18O has been investigated by differential thermal analysis and single-crystal and powder X-ray diffraction. Below the melting temperature (389.5 +/- 0.4 K), this compound ... -
Polymorphism of 2-Adamantanone
(2014-05-07)
Article
Accés restringit per política de l'editorialThe polymorphism of 2-adamantanone (C10H14O) has been investigated by means of X-ray diffraction and high-pressure thermal analysis. The intricate behavior of the low-temperature crystalline phases has been disentangled. ... -
Quantum computational chemical calculations to estimate the necessary energy for hydrogen storage in the metal hydrides AlH3ScH3 and Al2H6
(Universitat Politècnica de Catalunya / Tongji University, 2010)
Projecte/Treball Final de Carrera
Accés obertHydrogen storage describes the methods of storing H2 for subsequent use. Hydrogen storage is the main issue that needs to be solved before the technology can be implemented into key areas such as transport. The high energy ... -
Renewable hydrogen production. The role of Solar Thermal Water Splitting
(Universitat Politècnica de Catalunya / Lund University, 2011)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorIn a context of environmental crisis and depletion of conventional energy resources, the current energy model based on fossil fuels is obsolete and needs to be redefined and redesigned. Hydrogen economy can represent a ... -
Simulation of two-step redox recycling of non-stoichiometric ceria with thermochemical dissociation of CO 2 /H 2 O in moving bed reactors – Part I: Model development with redox kinetics and sensitivity analysis
(2019-03-29)
Article
Accés obertChemical looping syngas production is a two-step process that produces CO and H2 from water and CO2 splitting. This is performed by exploiting a metal oxide as oxygen carrier material, which is thermally reduced and releases ... -
Simulation of two-step redox recycling of non-stoichiometric ceria with thermochemical dissociation of CO 2 /H 2 O in moving bed reactors – Part II: Techno-economic analysis and integration with 100¿MW oxyfuel power plant with carbon capture
(2019-09-21)
Article
Accés obertThis paper presents the model of a solar thermochemical looping CO2/H2O dissociation (CL) unit with commercial ceria as the redox oxygen carrier. The CL unit is integrated in an oxy-fuelled combined cycle power plant as ... -
Study: Algorithms for rocket engine thermochemistry
(Universitat Politècnica de Catalunya, 2021-05-18)
Projecte Final de Màster Oficial
Accés obertThis thesis compiles the process of upgrading two libraries (INIST and HGS) which provide to their users the thermodynamics properties and algorithms needed to analyse liquid rocket engine feed cycles. First, the Thermodynamic ... -
The impact of chemical differentiation of white dwarfs on thermonuclear supernovae
(2010-12-16)
Article
Accés obertAims. Gravitational settling of 22Ne in cooling white dwarfs can affect the outcome of thermonuclear supernovae. We investigate how the supernova energetics and nucleosynthesis are in turn influenced by this process. We ...