Exploració per tema "Plasma (Gasos ionitzats)"

Ara es mostren els items 21-40 de 50

    • Heating bulk ions in DEMO with ICRF waves 

      Gallart, Dani; Mantsinen, Mervi; Kazakov, Yevgen (Barcelona Supercomputing Center, 2015-05-05)
      Text en actes de congrés
      Accés obert
      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 ...

    • How the feed gas composition influences the chemistry induced by non-thermal plasma in water solution 

      Lombart, Octavian (Universitat Politècnica de Catalunya, 2021-06-16)
      Treball Final de Grau
      Accés obert
      Non-thermal plasmas are ionized gases at room temperature composed of free electrons, ions, radicals, excited atoms and molecules, neutral molecules and electromagnetic radiation. They are highly reactive systems that are ...

    • 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
      Accés obert
      Realitzat a/amb:   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 ...

    • Indoor PM2.5 removal efficiency of two different non-thermal plasma systems 

      Hernández Díaz, David; Martos Ferreira, David; Hernández Abad, Vicente; Villar Ribera, Ricardo Alberto; Tarrés Farrés, Joaquim Agustí; Rojas Sola, José Ignacio (2021-01-15)
      Article
      Accés obert
      The use of non-thermal plasma (NTP) generators in air processing systems and their duct networks to improve indoor air quality (IAQ) has grown considerably in recent years. This paper reviews the advantages and disadvantages ...

    • Investigation into potential for cold plasma to treat contaminated seawater 

      Gámez Sanz, Robert (Universitat Politècnica de Catalunya, 2013-05)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      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)
      Projecte/Treball Final de Carrera
      Accés obert
      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
      Accés obert
      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)
      Projecte Final de Màster Oficial
      Accés obert
      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 ...

    • Nonlinear MHD simulation of core plasma collapse events in Wendelstein 7-X 

      Suzuki, Yasuhiro; Futatani, Shimpei; Geiger, Joachim (2021-10-29)
      Article
      Accés obert
      Three-dimensional nonlinear MHD simulations study the core collapse events observed in a stellarator experiment, Wendelstein 7-X. In the low magnetic shear configuration like the Wendelstein 7-X, the rotational transform ...

    • Optimization of plasma-treated LDPE-based glucose sensors 

      Cabrera Valls, Jordi (Universitat Politècnica de Catalunya, 2019-01)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   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 progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution a 

      Eich, Thomas Hubert; Angioni, Clemente; Barnes, Mike; Bobkov, Volodymyr; Cannas, Barbara; Castejón Magaña, Francisco; Castro Fouz, R.; Causa, F; Challis, Clive; Chapman, S. Jon; Citrin, Jonathan; Coelho Pessoa, Rubem Manoel; Cseh, Gabor; Czarnecka, Agata; De Tommasi, Giambattista; Decker, Joan; Drenik, Aleksander; Erdos, Boglárka; Domingues de Figueiredo, Antonio; Fontana, Maria Pia; Frigione, Domenico; Futatani, Shimpei; Garzotti, Luca; Geiger, Benjamin; Giroud, Carine; Hacek, Pavel; Hauer, Volker; Huang, Zhen; Schoerghuber, Alexander; Ivanova-Stanik, Irena; Jacquet, Philippe; Jakubowski, Marcin; Joffrin, Emmanuel; Jonsson, Thomas; Kasilov, Sergei V.; Kernbichler, Winfried; Kocsis, Gabor; Krawczyk, Natalia; Labit, Benoît; Lauber, Philipp; Mailloux, Joelle; Mantica, Paola; Marchand, Benoit; Moret, Janice; Bohn-Nielsen, A; Nocente, Massimo; Olsen, Jorn H.; Orain, François; Pamela, Stanislas; Papp, Gergely; Gómez-Pau, Álvaro; Pautasso, Gabriella; Pisano, Fabio; Pokol, Gergo; Popoviç, Zoya; Pütterich, Thomas; Treich Ulldemolins, Montse; Saarelma, Samuli; Salmi, Alessandro; Sauter, Olivier; Sharapov, Sergei; Szepesi, Tamás; Viitala, T.; Voitsekhovitch, Irina; Wang, Ningbo; Weinzettl, Vladimir (2017-10-01)
      Article
      Accés obert
      Integrating the plasma core performance with an edge and scrape-off layer (SOL) that leads to tolerable heat and particle loads on the wall is a major challenge. The new European medium size tokamak task force (EU-MST) ...

    • 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
      Accés obert
      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 ...

    • Oxidation of lactate to pyruvate mediates the cytotoxic potential of physical plasma-treated saline solutions in ovarian cancer 

      Bucci, Cristina; Tampieri, Francesco; Mateu Sanz, Miguel; Laurita, Romolo; Colombo, Vittorio; Canal Barnils, Cristina (John Wiley & sons, 2023-10-02)
      Article
      Accés obert
      Realitzat a/amb:   Università di Bologna / Institut de Recerca Sant Joan de Déu
      Epithelial ovarian cancer (EOC) is the most common type of gynecological tumor, presenting poor prognosis at diagnosis and with recurrences being frequently observed. Reactive species generated by physical plasma and ...

    • Particle in cell simulation of electrostatic waves in Saturn's magnetosphere 

      Gasparin Pedraza, Laia (Universitat Politècnica de Catalunya / Kungl. Tekniska högskolan, 2012-09-05)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   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 ...

    • Plasma surface functionalization and dyeing kinetics of Pan-Pmma copolymers 

      Labay, Cédric Pierre; Canal Barnils, Cristina; Rodríguez Sorigué, María Cristina; Caballero Manresa, Gabriel; Canal Arias, José María (2013)
      Article
      Accés restringit per política de l'editorial
      Fiber surface modification with air corona plasma has been studied through dyeing kinetics under isothermal conditions at 30 °C on an acrylic-fiber fabric with a cationic dye (CI Basic Blue 3) analyzing the absorption, ...

    • Plasmonic fractal antennas 

      López Menchón, Héctor (Universitat Politècnica de Catalunya, 2016-06)
      Treball Final de Grau
      Accés obert
      We study the effects of using fractal shapes on the design of nanoantennas at optical geometries.

    • Platform and system design study of a VLEO satellite platform using the IRS RF Helicon-based Plasma Thruster 

      Herdrich, Georg; Papavramidis, Konstantinos; Maier, Philipp; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      To achieve a feasible lifetime of several years, most satellites are deployed in orbits higher than 400 km. Drag of residual atmosphere causes a slow orbit decay, resulting in the deorbit of the spacecraft. However, e.g. ...

    • Radiation Transport Modelling in a Tokomak Plasma: Application to Performance Prediciton and Design of Future Machines 

      Albajar Viñas, Ferran (Universitat Politècnica de Catalunya, 2001-06-14)
      Tesi
      Accés obert
      The understanding and modelling of heat and radiation transport in tokamak plasmas is essential in order to progress in the development of thermonuclear fusion towards a practical energy source which meets all the future ...

    • Scrape Off Layer turbulence and flow velocity measurements with the Li-beam diagnostic 

      Rodriguez Serra, Jorge (Universitat Politècnica de Catalunya, 2016-09)
      Projecte/Treball Final de Carrera
      Accés obert
      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 ...

    • Shear Alfvén wave continuum spectrum with bifurcated helical core equilibria 

      Rakha, Allah; Lauber, Philipp; Mantsinen, Mervi Johanna; Spong, Donald (2019-09-09)
      Article
      Accés obert
      The radial structure of the continuum spectrum of shear Alfvén and Alfvén-acoustic waves in the beta-induced Alfvén eigenmode (BAE) frequency range is modeled for tokamak plasmas in the presence of 3D effects obtained from ...