Development of a 2-MW, CW Coaxial Gyrotron at 70 GHz and Test Facility for ITER (Contributo in atti di convegno)

Type
Label
  • Development of a 2-MW, CW Coaxial Gyrotron at 70 GHz and Test Facility for ITER (Contributo in atti di convegno) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/1742-6596/25/1/005 (literal)
Alternative label
  • Hogge J. P., Alberti S., Arnold A., Bariou D., Benin P., Bonicelli T., Bruschi A., Chavan R., Cirant S., Dumbrajs O., Fasel D., Gandini F., Giguet E., Goodman T., Heidinger R., Henderson M., Illy S., Jin J., Lievin C., Magne R., Marmillod P., et al (2005)
    Development of a 2-MW, CW Coaxial Gyrotron at 70 GHz and Test Facility for ITER
    in Third IAEA Technical Meeting on ECRH Physics and Technology in ITER, Como
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Hogge J. P., Alberti S., Arnold A., Bariou D., Benin P., Bonicelli T., Bruschi A., Chavan R., Cirant S., Dumbrajs O., Fasel D., Gandini F., Giguet E., Goodman T., Heidinger R., Henderson M., Illy S., Jin J., Lievin C., Magne R., Marmillod P., et al (literal)
Pagina inizio
  • 33 (literal)
Pagina fine
  • 44 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/1742-6596/25/1/005/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • THIRD IAEA TECHNICAL MEETING ON ECRH PHYSICS AND TECHNOLOGY IN ITER (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 25 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • Journal of Physics Conf. Series, 25, 33-44, (2005) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a Centre de Recherche en Physique des Plasmas, Association Euratom-Confédération Suisse, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland b Forschungszentrum Karlsruhe, Association EURATOM-FZK, Institut für Höchleistungsimpuls- und Mikrowellentechnik, Germany c Forschungszentrum Karlsruhe, Association EURATOM-FZK, Institut für Materialforschung, Postfach 3640, D-76021 Karlsruhe, Germany d Universität Karlsruhe, Institut für Höchstfrequenztechnik und Elektronik, Kaiserstr. 12, D-76128 Karlsruhe, Germany e Thalès Electron Devices, 2 Rue de Latécoère, F-78141 Vélizy-Villacoublay, France f European Fusion Development Agreement, Boltzmannstrasse 2, D-85748 Garching bei Muenchen, Germany g Instituto di Fisica Del Plasma, Consiglio Nazionale Delle Ricerche, Via Cozzi 53, I-20125 Milano, Italy h Department of Engineering Physics and Mathematics, Helsinki University of Technology, Association EURATOM TEKES, FIN-02150 Espoo, Finland i Association EURATOM - CEA, Centre d'Etudes de Cadarache, 13108 Saint-Paul-lez-Durance, France j Associazione Euratom-ENEA sulla Fusione, Via E. Fermi 45, I-00044 Frascati (Roma), Italy (literal)
Titolo
  • Development of a 2-MW, CW Coaxial Gyrotron at 70 GHz and Test Facility for ITER (literal)
Abstract
  • In ITER, EC heating and current drive (H&CD) is foreseen not only as a principal auxiliary system for plasma heating and as assist for plasma start-up, but is considered essential in meeting the key requirement of neoclassical tearing mode (NTM) stabilisation, by localized current drive. In the reference ECH design, ITER requires a total of 20 MW/CW power at 170 GHz using gyrotrons with a unit power of 1 MW. A higher power per unit (2 MW/gyrotron) would result in a strong reduction of the cost of the whole ECRH system, and would also relax the room constraints on the launcher antenna design. In view of the capability of coaxial cavity gyrotrons demonstrated with short pulse experiments at FZK, the European Fusion Development Agreement (EFDA) has started in 2003 the development of an industrial 170 GHz 2 MW/CW coaxial cavity gyrotron, in a collaborative effort between European research associations CRPP/EPFL, FZK, TEKES and Thals Electron Devices (TED). The development plan includes three steps to reach successively 2 MW/1s, 2 MW/60s and finally 2 MW/CW operation. The procurement of the first prototype is in progress and it scheduled to be delivered during the first quarter of 2006. The experimental tests of the prototypes will be carried out at CRPP/EPFL, where an ITER relevant test facility is presently under construction and will be achieved during the second half of 2005. The test facility is designed to be flexible enough, allowing the possible commissioning of tubes with different characteristics, as well the tests of the launcher antenna at full performances. (literal)
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