Now showing items 1-19 of 19

  • 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 ...
  • 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
    Restricted access - publisher's policy
    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 ...
  • 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 ...
  • Non-linear MHD simulations of the plasma instabilities by pellet injection in LHD plasma 

    Futatani, Shimpei; Suzuki, Y. (2018)
    Conference report
    Open Access
    The pellet injection is an experimentally proven method of plasma refueling in tokamaks [1,2] and stellarators plasmas [3]. The pellet injection into the plasma is also used for plasma control, i.e. ELM (Edge Localized ...
  • 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 ...
  • 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 ...
  • Simulations of Alfvénic modes in TJ-II Stellarator 

    Rakha, Allah; Mantsinen, M. J.; López-Fraguas, A.; Castejón, F.; Pablos, J.L. de; Melnikov, A.V.; Sharapov, S. E.; Spong, D. A. (Barcelona Supercomputing Center, 2017-05-04)
    Conference report
    Open Access
    Alfvénic modes are one of the subclass of instabilities prevalent in burning plasmas due to interaction of energetic particles with background plasma. In this paper we investigate the properties of these modes with 3D ...
  • Simulations of high-enthalpy gases in an Electric Arc Heater – Study of Equilibrium vs. Non- Equilibrium assumptions and Uncertainty Quantifications of an Arc Jet 

    Jiménez Miró, José Ángel (Universitat Politècnica de Catalunya / Insitut Supérieur de l'Aéronautique et de l'Espace, 2011)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Space exploration has experienced exceptional advances the last years since the NASA’s Apollo missions landed man on the moon. In spite of all the discoveries and advances in computational power, the heat flux on the ...
  • White paper on the future of plasma science and technology in plastics and textiles 

    Cvelbar, Uros; Walsh, James L.; Cernák, Mirko; Labay, Cédric Pierre; Canal Arias, José María; Canal Barnils, Cristina (2019-01-01)
    Article
    Open Access
    Covenantee:  Inštitut "Jožef Stefan"
    This white paper considers the future of plasma science and technology related to the manufacturing and modifications of plastics and textiles, summarizing existing efforts and the current state‐of‐art for major topics ...