Now showing items 1-20 of 24

    • Active species in N2 and N2-O2 afterglows for surface treatments 

      Ricard, André; Pointu, Anne Marie; Villeger, Sandrine; Canal Barnils, Cristina (2010)
      Article
      Open Access
      Production of active species is studied in N2 and in N2-O2 afterglows of electrical discharges at low and atmospheric gas pressures. They are produced in microwave discharges in a large range of gas pressures from a few ...
    • Advances on the Inductive Plasma Thruster Design for an Atmosphere-Breathing EP System 

      Romano, Francesco; Herdrichd, Georg H.; Boxberger, Adam; Rodríguez Donaire, Silvia; García-Almiñana, Daniel; Sureda Anfres, Miquel (International Astronautical Federation, 2018)
      Conference report
      Restricted access - publisher's policy
      Challenging space mission scenarios include those in very low Earth orbits, where the atmosphere creates significant drag to the S/C and forces their orbit to an early decay. For drag compensation, propulsion systems are ...
    • Avaluació dels Efectes del Tractament de Plasma de Baixa Temperatura sobre Ciments de Fosfat de Calci per a la millora de la Regeneració Òssia. 

      Dominguez Cardona, Pol (Universitat Politècnica de Catalunya, 2013-02)
      Master thesis (pre-Bologna period)
      Open Access
      Els ciments de fosfat de calci són materials molt utilitzats en aplicacions biomèdiques per a l’ompliment de cavitats òssies. Es troben constituı̈ts per una fase sòlida en forma de pols i un lı́quid, que al mesclar-se ...
    • Contribució als estudis de seguretat d’ITER mitjançant el codi AINA 

      Massanas, Guillem (Universitat Politècnica de Catalunya, 2012-06)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      En el present document es realitza un estudi de simulacions de pèrdua del control del plasma en un reactor termonuclear de fusió. En particular, el futur reactor del projecte ITER (International Thermonuclear Experimental ...
    • Detección de puntos calientes y líneas de calor en imágenes térmicas de un reactor de fusión nuclear 

      Quiceno Lopera, Steven (Universitat Politècnica de Catalunya, 2020-01)
      Bachelor thesis
      Open Access
      In these moments of struggle against climate change that this generation faces, research in alternative energy and not dependent on fossil fuels is very important. One of the options under investigation is the energy ...
    • Estudi del tractament superficial sobre materials polimèrics per a la millora de la capacitat d'adhesió 

      Escoda Marches, Adrià (Universitat Politècnica de Catalunya, 2018-06)
      Bachelor thesis
      Restricted access - author's decision
      En general, els materials polimèrics, per la seva naturalesa no tenen bones propietats adhesives. Existeixen varis tipus de tractaments superficials per modificar aquestes propietats. Aquest treball exposarà quines són ...
    • Estudio del efecto del tratamiento con plasma de fibras de lino para su aplicación en materiales compuestos 

      Saez Pinto, Javier (Universitat Politècnica de Catalunya, 2016-01-21)
      Master thesis
      Restricted access - author's decision
      La búsqueda y aplicación de fibras naturales en materiales compuestos es uno de los campos de investigación en crecimiento en los últimos tiempos debido a sus buenas propiedades específicas, su bajo coste y sus ventajas ...
    • Experimental techniques in determination of electron cyclotron power deposition profiles in thermonuclear plasmas 

      Miquel Pallicer, Àngel (Universitat Politècnica de Catalunya / Politecnico di Milano, 2014)
      Master thesis (pre-Bologna period)
      Open Access
      Electron cyclotron waves are widely used in magnetic confinement devices, specially in those involved in nuclear fusion research, to heat the electrons and achieve the ignition temperature. A still unsolved issue is ...
    • Fabricació de dispositius fotònics integrats 

      Modolell Hernàndez, Marc (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Open Access
      This project has focused on the fabrication and characterization of hydrogenated amorphous silicon (a-Si:H) thin films to fabricate photonic devices on them, which can be applied to make revolutionary applications in the ...
    • Heating bulk ions in DEMO with ICRF waves 

      Gallart, Dani; Mantsinen, Mervi; Kazakov, Yevgen (Barcelona Supercomputing Center, 2015-05-05)
      Conference report
      Open Access
      Ion cyclotron resonance frequency heating (ICRF) is one of the auxiliary heating schemes presently envisaged for ITER and DEMO. In this paper we analyse the potential of ICRF waves to heat the fuel ions in DEMO. Our ...
    • Important parameters in plasma jets for the production of RONS in liquids for plasma medicine: A brief review 

      Khlyustova, Anna; Labay, Cédric Pierre; Machala, Zdenko; Ginebra Molins, Maria Pau; Canal Barnils, Cristina (2019-06)
      Article
      Open Access
      Covenantee:   Univerzita Komenského v Bratislave / Univerzita Komenského v Bratislave
      Reactive oxygen and nitrogen species (RONS) are among the key factors in plasma medicine. They are generated by atmospheric plasmas in biological fluids, living tissues and in a variety of liquids. This ability of plasmas ...
    • Investigation into potential for cold plasma to treat contaminated seawater 

      Gámez Sanz, Robert (Universitat Politècnica de Catalunya, 2013-05)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      This paper will be focus in contaminated seawater treatment and in a new technique, known as Plasma Assisted Processing, which was used to treat such seawater. This process is based on using cold plasma technology whereby ...
    • ITER Loss of Plasma Control Transients Analysis 

      Prior Miqueo, Claudia (Universitat Politècnica de Catalunya, 2014-05)
      Master thesis (pre-Bologna period)
      Open Access
      En el presente informe se realiza un estudio de transitorios de pérdida de control del plasma en ITER. Para la realización del estudio se ha utilizado AINA 3.0, un código de seguridad desarrollado por Fusion Energy ...
    • Non-linear magnetohydrodynamic simulations of plasma instabilities from pellet injection in Large Helical Device plasma 

      Futatani, Shimpei; Suzuki, Yasuhiro (2019-08-13)
      Article
      Open Access
      The effect of pellets on the global magnetohydrodynamic (MHD) dynamics of the Large Helical Device (LHD), which is a large superconducting heliotron in Japan, has been analyzed with the MIPS code. A pellet ablation model ...
    • Nonlinear electromagnetic stabilization of microturbulence by fast ions 

      De Oliveira Lopes, Felipe Nathan (Universitat Politècnica de Catalunya, 2017-09-04)
      Master thesis
      Open Access
      e. Abstract In plasma physics, the specific aspect of the interaction between highly energetic ions and microturbulence is still an open problem and has a big impact on the plasma overall confinement quality. In the ...
    • Optimization of plasma-treated LDPE-based glucose sensors 

      Cabrera Valls, Jordi (Universitat Politècnica de Catalunya, 2019-01)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Center for Research in NanoEngineering (CRNE)
      Diabetes is an ongoing huge global health issue, which is predicted to affect 552 million people worldwide in 2030. In fact, glucose monitoring biosensors account for 85% of the entire biosensor market. The demand for ...
    • Overview of the JET preparation for deuterium-tritium operation with the ITER like-wall 

      Joffrin, Emmanuel; Abduallev, Sadrilla; Abhangi, Mitul; Futatani, Shimpei; Gallart, Daniel; Gutiérrez, Albert; Mantsinen, Mervi Johanna; Saez Pous, Xavier; Rakha, Allah (2019-11-01)
      Article
      Open Access
      For the past several years, the JET scientific programme (Pamela et al 2007 Fusion Eng. Des.82 590) has been engaged in a multi-campaign effort, including experiments in D, H and T, leading up to 2020 and the first experiments ...
    • Particle in cell simulation of electrostatic waves in Saturn's magnetosphere 

      Gasparin Pedraza, Laia (Universitat Politècnica de Catalunya / Kungl. Tekniska högskolan, 2012-09-05)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Kungliga Tekniska högskolan
      [ANGLÈS] The characteristics of electrostatic waves are investigated using PIC simulations of a four component plasma: cool and hot electrons, cool ions and an electron beam. The velocities are defined by Maxwellian ...
    • Plasmonic fractal antennas 

      López Menchón, Héctor (Universitat Politècnica de Catalunya, 2016-06)
      Bachelor thesis
      Open Access
      We study the effects of using fractal shapes on the design of nanoantennas at optical geometries.
    • Scrape Off Layer turbulence and flow velocity measurements with the Li-beam diagnostic 

      Rodriguez Serra, Jorge (Universitat Politècnica de Catalunya, 2016-09)
      Master thesis (pre-Bologna period)
      Open Access
      This work studies the behavior of the plasma in the outer part of the vessel, where the magnetic field lines are no longer closed, this part in called scrape off layer. The machine studied is the experimental fusion ...