Listar Departamento de Física por título
Mostrando ítems 26-45 de 65
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Effects of size on the spectrum and stability of a confined on-center Hydrogen atom
(IOP Publishing, 2022)In this work we studied the problem of the stability of confined atoms when they are released from confinement. We analyzed the confined Hydrogen atom inside a cage modelled by a square-well potential, in particular the ... -
Estudio del comportamiento de cátodos termoiónicos en arcos de plasma
(Universidad de Córdoba, Servicio de Publicaciones, 2010)Se ha estudiado experimentalmente el funcionamiento de cátodos termoiónicos de tungsteno y de tungsteno toriado funcionando en arcos de plasma producidos por una antorcha de arco transferido en condiciones reales de trabajo ... -
Estudio del impacto de un cuestionario de autoevaluación online para el tratamiento de errores experimentales
(UCOPress, 2019)La correcta comprensión del origen de las incertidumbres experimentales, así como su tratamiento matemático, resulta fundamental en la formación de cualquier científico, pues permite determinar la precisión de los resultados ... -
Estudio experimental de plasmas de onda de superficie generados con mezclas de gases a presión atmosférica
(Universidad de Córdoba, Servicio de Publicaciones, 2010)El estudio de los plasmas inducidos por microondas (MIPs) ha despertado en los últimos años un gran interés desde el punto de vista tecnológico dada su gran versatilidad y facilidad de manipulación en campos de aplicación ... -
Estudio teórico y experimental de la característica iónica de plasmas DC
(Universidad de Córdoba, Servicio de Publicaciones, 2014)Este trabajo realiza una profunda revisión bibliográfica de las teorías más relevantes, relativas a la vaina iónica positiva que se forma alrededor de una sonda electrostática Langmuir cilíndrica que introducimos en un ... -
Estudio y caracterización de un plasma de microondas a presión atmosférica para su aplicación en la destrucción de residuos
(Universidad de Córdoba, Servicio de Publicaciones, 2010)Las líneas espectrales que son emitidas por el propio plasma y que caen a estos niveles (que a presión atmosférica se ajustan a un perfil Voigt) pueden verse afectadas por el fenómeno de autoabsorción, ya que la radiación ... -
Estudio y medida de las características iónicas de plasmas mediante espectrometría de masas
(Universidad de Córdoba, Servicio de Publicaciones, 2014)This work proposes a method to measure the Ii ? V characteristic of a plane probe for each one of the ion species present in a low-pressure plasma, by using a mass spectrometer as the ammeter whose probe entrance can ... -
Estudio y validación de sensores para el sistema link de alienamiento del experimento CMS
(Universidad de Córdoba, Servicio de Publicaciones, 2006)El LHC es el próximo colisionador de partículas que se pondrá en funcionamiento en el CERN (Ginebra)en el 2007. En él se generarán colisiones protón-protón en las que se alcanzará una energía centro de masas de 14 TeV y ... -
Exclusion Principle Repulsion Effects on the Covalent Bond Beyond the Born-Oppenheimer Approximation
(Royal Society of Chemistry, 2019)The changes in the covalent bond of the hydrogen molecule limited in the space by a spherical hard boundary are studied. The sphere is moved along an axis parallel or orthogonal to the molecular axis. The diffusion Monte ... -
Experimental Study of a Rotating Electrode Plasma Reactor for Hydrogen Production from Liquid Petroleum Gas Conversion
(MDPI, 2022)In this work, a new plasma reactor operating with a butane/propane (C4H10/C3H8) gaseous mixture, designed for hydrogen molecule production, was experimentally studied. This reactor is based on a rotating electrode, biased ... -
Gas temperature and air fraction diagnosis of helium cold atmospheric plasmas by means of atomic emission lines
(Elsevier, 2022)In this work, we present a new method allowing the determination of both the gas temperature and the air fraction in non-thermal atmospheric helium plasmas. This new UV-Atomic Emission Spectroscopy technique based on the ... -
Gas temperature determination in microwave discharges at atmospheric pressure by using different Optical Emission Spectroscopy techniques
(Elsevier, 2013)Non-thermal plasmas sustained at atmospheric pressure are considered as a very promising technology for different purposes, in which the knowledge of the gas temperature is an important issue. In this paper, the gas ... -
Innovación docente en las jornadas de recepción de alumnado de E.S.O. y Bachillerato al Departamento de Física
(UCOPress, 2017)Este proyecto ha tratado de incorporar la participación de alumnos del Grado de Física, en concreto de 4º curso, en una de las actividades que se realizan en el Departamento de Física, las “Jornadas de recepción de alumnado ... -
Ionization and excitation probabilities of a hydrogen atom suddenly released from penetrable confinement
(Taylor & Francis, 2018)The problem of the stability of the hydrogen atom when it is released from a confining environment is studied. The stability is analysed in terms of excitation and ionization probabilities of the final state for different ... -
Ionization probability of the hydrogen atom suddenly released from confinement
(Wiley, 2017)The problem of the stability of a confined atom when it is extracted from the confining cavity has been investigated, modeled by a spherical hard wall potential. The ionization probability when the atom is released from ... -
Low Electron Temperature Plasma Diagnosis: Revisiting Langmuir Electrostatic Probes
(MDPI, 2021)This article describes a method of measurement of the current-to-probe voltage characteristic curve of a Langmuir electrostatic probe immersed in a plasma characterized by a low electron temperature that is only one order ... -
Measuring the air fraction and the gas temperature in non-thermal argon plasma jets through the study of the air influence on the collisional broadening of some argon atomic emission lines
(IOP Publishing, 2020)Cold atmospheric argon plasma jets have shown to be very promising in medicine and they are being currently used for therapeutical uses such as the healing of wounds or the treatment of tumors. Because they run in the open ... -
Method of Moments Optimization of Distributed Raman Amplification in Fibers with Randomly Variying Birefringence
(MDPI, 2020)In this work, we develop a vectorial model, for optical communications, using distributed Raman amplification (DRA) applied to vectorial soliton pulses in monomode fiber optics. The main result, a dependent polarization ... -
Microwave atmospheric pressure plasma jets for wastewater treatment: Degradation of methylene blue as a model dye
(Elsevier, 2017)The degradation of methylene blue in aqueous solution as a model dye using a non thermal microwave (2.45 GHz) plasma jet at atmospheric pressure has been investigated. Argon has been used as feed gas and aqueous solutions ... -
On the impact of wavelength dependency on supercontinuum generation in photonic crystal fibers
(MDPI, 2024)It is common practice when simulating propagation through an optical fiber to assume that its characteristic parameters are constant and determined solely by the central wavelength of the input pulse. In this paper, we ...