Browsing by Author "Gallart, Daniel"Més informació

Now showing items 1-17 of 17

    • Analysis of fusion alphas interaction with RF waves in D-T plasma at JET 

      Kirov, Krassimir K; Auriemma, Fulvio; Bonofiglo, Phillip; Challis, Clive D; de la Luna, Elena; Gallart, Daniel; Mantsinen, Mervi M. (IOP Publishing, 2024)
      Article
      Open Access
      This work studies the influence of RF waves in ICRH range of frequency on fusion alphas during the recent JET D-T campaign. Fusion alphas from D-T reactions are born with energies of about 3.5MeV and therefore have significant ...

    • Analysis of ICRF Heating Schemes in ITER Non-Active Plasmas Using PION+ETS Integrated Modeling 

      Bensadon, Tomas; Mantsinen, Mervi J.; Jonsson, Thomas; Gallart, Daniel; Saez Pous, Xavier; Manyer, Jordi (MDPI, 2024-04)
      Article
      Open Access
      The PION code has been integrated into the European Transport Solver (ETS) transport workflow, and we present the first application to model Ion Cyclotron Resonance Frequency (ICRF) heating scenarios in the next-step fusion ...

    • Analysis of the potential of ICRF waves to heat bulk ions in DEMO 

      Gallart, Daniel; Mantsinen, Mervi; Kazakov, Yevgen (European Physical Society (EPS), 2015)
      Conference report
      Open Access
      While ITER’s main purpose is to confirm the feasibility of nuclear fusion as an energy source, DEMO is planned as the first fusion reactor to produce net electrical energy. Our analysis is carried out for the DEMO 2015 ...

    • Detection of alpha heating in JET-ILW DT plasmas by a study of the electron temperature response to ICRH modulation 

      Mantica, Paola; Auriemma, Fulvio; Casiraghi, I.; Gallart, Daniel; Kirov, K.; Mantsinen, Mervi M. (IOP Publishing, 2024)
      Article
      Open Access
      In the JET DTE2 campaign a new method was successfully tested to detect the heating of bulk electrons by α-particles, using the dynamic response of the electron temperature T e to the modulation of ion cyclotron resonance ...

    • Efficient generation of energetic ions in multi-ion plasmas by radio-frequency heating 

      Kazakov, Ye.O.; Ongena, J.; Wright, S.J.; Wukith, S.J.; Lerche, E.; Mantisen, Mervi; van Eester, D.; Craciunescu, T.; Kiptily, V.G.; Lin, Y.; Nocente, M.; Nabais, F.; Nave, M.F.F.; Baranov, Y.; Bielecki, J.; Bilato, R.; Bobkov, V.; Crombé, K.; Czarnecka, A.; Faustin, J.; Felton, R.; Fitzgerald, M.; Gallart, Daniel; Giacomelli, L.; Golfinopoulos, T.; Hubbard, A.; Jacquet, Ph.; Johnson, T.; Lennholm, M.; Loarer, T.; Porkolab, M.; Sharapov, S.; Valcarcel, D.; van Schoor, M.; Weisen, H.; JET Contributors; Alcator C-Mod Team (Nature Publishing Group, 2017-06-19)
      Article
      Open Access
      We describe a new technique for the efficient generation of high-energy ions with electromagnetic ion cyclotron waves in multi-ion plasmas. The discussed ‘three-ion’ scenarios are especially suited for strong wave absorption ...

    • Extrapolations of the fusion performance in JET 

      Gallart, Daniel; Mantsinen, M.J.; Garzotti, L.; Challis, C.; Garcia, J.; Gutiérrez, A.; Sáez, X. (Barcelona Supercomputing Center, 2015-05-05)
      Conference report
      Open Access
      n preparation of the forthcoming high power campaign with the reactor-relevant deuterium-tritium (DT) fuel mixture in the Joint European Torus (JET), significant efforts are being devoted to DT scenario extrapolation using ...

    • Impact of RF waves – fast NBI ions interaction on the fusion performance in JET DTE2 campaign 

      Kirov, Krassimir K; Challis, Clive D; la Luna, Elena de; Eriksson, Jacob; Gallart, Daniel; Mantsinen, Mervi (IOP Publishing, 2023)
      Article
      Open Access
      This work studies the interaction between Radio Frequency (RF) waves used for Ion Cyclotron Resonance Heating (ICRH) and the fast Deuterium (D) and Tritium (T) Neutral Beam Injected (NBI) ions in DT plasma. The focus is ...

    • L-H transition studies in tritium and deuterium–tritium campaigns at JET with Be wall and W divertor 

      Solano, Emilia R; Birkenmeier, Gregor; Garcia Silva, Carlos; Delabie, Ephrem; Hillesheim, J.C.; Gallart, Daniel; Mantsinen, Mervi J. (IOP Publishing, 2023-10)
      Article
      Open Access
      {The recent deuterium–tritium campaign in JET-ILW (DTE2) has provided a unique opportunity to study the isotope dependence of the L-H power threshold in an ITER-like wall environment (Be wall and W divertor). Here we present ...

    • Modelling of ICRF heating in DEMO with special emphasis on bulk ion heating 

      Gallart, Daniel; Mantsinen, Mervi; Kazakov, Yevgen (AIP, 2015-12-10)
      Conference report
      Open Access
      Ion cyclotron resonance frequency (ICRF) heating 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 analysis ...

    • Overview of interpretive modelling of fusion performance in JET DTE2 discharges with TRANSP 

      Štancar, Žiga; K. Kirov, Krassimir; Auriemma, Fulvio; Kim, Hyun-Tae; Poradzinski, Michal; Gallart, Daniel; Mantsinen, Mervi J. (IOP Publishing, 2023-11)
      Article
      Open Access
      In the paper we present an overview of interpretive modelling of a database of JET-ILW 2021 D-T discharges using the TRANSP code. The main aim is to assess our capability of computationally reproducing the fusion performance ...

    • 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 ...

    • Physics and applications of three-ion ICRF scenarios for fusion research 

      Kazakov, Ye. O.; Ongena, Jozef; Wright, John; Wukitch, Stephen J.; Bobkov, Volodymyr; Mantsinen, Mervi; Gallart, Daniel (American Institute of Physics, 2021)
      Article
      Open Access
      This paper summarizes the physical principles behind the novel three-ion scenarios using radio frequency waves in the ion cyclotron range of frequencies (ICRF). We discuss how to transform mode conversion electron heating ...

    • Progress with applications of three-ion ICRF scenarios for fusion research: A review 

      Kazakov, Ye O.; Ongena, J.; Nocente, M.; Bobkov, Volodymyr; Garcia, J.; Gallart, Daniel; Mantsinen, Mervi J. (American Institute of Physics Publishing, 2023)
      Article
      Open Access
      The viability of magnetic confinement fusion as an energy source depends on achieving the high ion temperatures required for D-T fusion. Among the available techniques, plasma heating with waves in the ion cyclotron range ...

    • Simulations of combined ICRF and NBI heating for high fusion performance in JET 

      Gallart, Daniel; Mantsinen, Mervi; Garzotti, Luca; Bilato, Roberto; Challis, Clive; Garcia, Jerónimo; Gutierrez-Milla, Albert; Johnson, Thomas; Lerche, Ernesto; Sáez, Xavier; van Eester, Dirk (2016-07-08)
      Conference lecture
      Open Access
      We report on simulations aimed at optimizing external heating using neutral beam injection (NBI) and radiofrequency waves in the ion cyclotron range of frequencies (ICRF) for high fusion yield in the JET tokamak. In this ...

    • The JET hybrid scenario in Deuterium, Tritium and Deuterium-Tritium 

      Hobirk, Jörg; Challis, C.D.; Kappatou, Athina; Lerche, E.; Keeling, D.; Gallart, Daniel; Mantsinen, Mervi M. (IOP Publishing, 2023)
      Article
      Open Access
      The JET hybrid scenario has been developed from low plasma current carbon wall discharges to the record-breaking Deuterium-Tritium plasmas obtained in 2021 with the ITER-like Be/W wall. The development started in pure ...

    • The role of isotope mass and transport for H-mode access in tritium containing plasmas at JET with ITER-like wall 

      Birkenmeier, Gregor; Solano, Emilia R; Carvalho, Ivo; Hillesheim, J C; Delabie, E; Gallart, Daniel; Mantsinen, Mervi J (IOP Publishing, 2023)
      Article
      Open Access
      The required heating power, , to access the high confinement regime (H-mode) in tritium containing plasmas is investigated in JET with ITER-like wall at a toroidal magnetic field of T and a plasma current of MA. , also ...

    • Third harmonic ICRF heating of Deuterium beam ions on ASDEX Upgrade 

      Mantsinen, Mervi; Bobkov, Volodymyr; Gallart, Daniel; Geiger, Benjamin; Johnson, Thomas; Meyer, Hendrik; Nocente, Massimo; Ochoukov, Roman; Odstrčil, Tomas; Perelli, Enrico; Rasmussen, Jens; Schneider, P. A.; Sharapov, Sergei; Tardini, Giovanni; Tardocchi, Marco; Vallejós, Pablo; ASDEX Upgrade; EUROfusion MST1 (European Physical Society (EPS), 2016-07-08)
      Conference report
      Open Access
      We report on recent experiments on the ASDEX Upgrade (AUG) tokamak (major radius R ≈1.65 m, minor radius a ≈ 0.5 m) with third harmonic ICRF heating of deuterium beam ions. Prior to this work, the ...