Dynamic simulator of RWM control for fusion devices: modelling and experimental validation on RFX-mod (Articolo in rivista)

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  • Dynamic simulator of RWM control for fusion devices: modelling and experimental validation on RFX-mod (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0029-5515/52/2/023020 (literal)
Alternative label
  • G. Marchiori; M. Baruzzo; T. Bolzonella; Y.Q. Liu; A. Soppelsa; F. Villone (2012)
    Dynamic simulator of RWM control for fusion devices: modelling and experimental validation on RFX-mod
    in Nuclear fusion; International Atomic Energy Agency, Vienna (Austria)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • G. Marchiori; M. Baruzzo; T. Bolzonella; Y.Q. Liu; A. Soppelsa; F. Villone (literal)
Pagina inizio
  • 023020 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Article Number: 023020; Editori: IOP PUBLISHING and INTERNATIONAL ATOMIC ENERGY AGENCY; La rivista è pubblicata anche online con ISSN 1741-4326 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/0029-5515/52/2/023020/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 52 (literal)
Rivista
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  • 12 (literal)
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  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1,2,3,5 : Consorzio RFX, Associazione EURATOM-ENEA sulla Fusione Corso Stati Uniti, 4, 35127 Padova, Italy; / 4 : EURATOM/CCFE Fusion Association, Culham Science Centre, Abingdon, Oxon, OX14 3DB, UK; / 6 : Ass. Euratom/ENEA/CREATE, DAEIMI, Università di Cassino, Via Di Biasio 43, 03043, Cassino (FR), Italy. (literal)
Titolo
  • Dynamic simulator of RWM control for fusion devices: modelling and experimental validation on RFX-mod (literal)
Abstract
  • A new integrated simulator for experiments of resistive wall mode (RWM) closed-loop control and its benchmark against experimental data are presented. The numerical tool couples in a self-consistent way a full 3D finite element description of the machine boundaries (Cariddi code), a 2D toroidal model of RFP plasma stability (MARS-F code) and a realistic representation of the RFX-mod control system producing an overall dynamic model cast in the state variable space. In this way a full dynamic 'flight simulator' of RWM control experiments has been implemented where the interaction of proportional-integral-derivative controller gains and plasma equilibrium parameters can be explored. As an application of the new integrated tool, closed-loop RWM stability analyses have been benchmarked against experimental data. In this way it was possible to experimentally prove that the control simulator correctly reproduces closed-loop RWM growth rates under different control conditions. Time domain simulations were also run to assess the overall accuracy of the model including the presence of non-linear blocks. The achieved results are discussed in connection with the broader international effort towards an effective control of RWMs in both tokamak and RFP configurations. (literal)
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