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Electromagnetic simulations of the ASDEX Upgrade ICRF Antenna with the TOPICA code

Author
Organization
Abstract
Accurate and efficient simulation tools are necessary to optimize the ICRF antenna design for a set of operational conditions. The TOPICA code was developed for performance prediction and for the analysis of ICRF antenna systems in the presence of plasma, given realistic antenna geometries. Fully 3D antenna geometries can be adopted in TOPICA, just as in available commercial codes. But while those commercial codes cannot operate with a plasma loading, the TOPICA code correctly accounts for realistic plasma loading conditions, by means of the coupling with 1D FELICE code. This paper presents the evaluation of the electric current distribution on the structure, of the parallel electric field in the region between the straps and the plasma and the computation of sheaths driving RF potentials. Results of TOPICA simulations will help to optimize and re-design the ICRF ASDEX Upgrade antenna in order to reduce tungsten (W) sputtering attributed to the rectified sheath effect during ICRF operation.
Keywords
TOKAMAK, TORE-SUPRA, ASDEX Upgrade, ICRF, TOPICA, Rectified potential, HFSS

Citation

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MLA
Krivska, A, D Milanesio, V Bobkov, et al. “Electromagnetic Simulations of the ASDEX Upgrade ICRF Antenna with the TOPICA Code.” AIP Conference Proceedings. Ed. V Bobkov & JM Noterdaeme. Vol. 1187. Melville, NY, USA: AIP (American Institute of Physics), 2009. 137–140. Print.
APA
Krivska, A., Milanesio, D., Bobkov, V., Braun, F., & Noterdaeme, J.-M. (2009). Electromagnetic simulations of the ASDEX Upgrade ICRF Antenna with the TOPICA code. In V Bobkov & J. Noterdaeme (Eds.), AIP Conference Proceedings (Vol. 1187, pp. 137–140). Presented at the 18th Topical Conference on Radio Frequence Power in Plasmas, Melville, NY, USA: AIP (American Institute of Physics).
Chicago author-date
Krivska, A, D Milanesio, V Bobkov, F Braun, and Jean-Marie Noterdaeme. 2009. “Electromagnetic Simulations of the ASDEX Upgrade ICRF Antenna with the TOPICA Code.” In AIP Conference Proceedings, ed. V Bobkov and JM Noterdaeme, 1187:137–140. Melville, NY, USA: AIP (American Institute of Physics).
Chicago author-date (all authors)
Krivska, A, D Milanesio, V Bobkov, F Braun, and Jean-Marie Noterdaeme. 2009. “Electromagnetic Simulations of the ASDEX Upgrade ICRF Antenna with the TOPICA Code.” In AIP Conference Proceedings, ed. V Bobkov and JM Noterdaeme, 1187:137–140. Melville, NY, USA: AIP (American Institute of Physics).
Vancouver
1.
Krivska A, Milanesio D, Bobkov V, Braun F, Noterdaeme J-M. Electromagnetic simulations of the ASDEX Upgrade ICRF Antenna with the TOPICA code. In: Bobkov V, Noterdaeme J, editors. AIP Conference Proceedings. Melville, NY, USA: AIP (American Institute of Physics); 2009. p. 137–40.
IEEE
[1]
A. Krivska, D. Milanesio, V. Bobkov, F. Braun, and J.-M. Noterdaeme, “Electromagnetic simulations of the ASDEX Upgrade ICRF Antenna with the TOPICA code,” in AIP Conference Proceedings, Ghent, Belgium, 2009, vol. 1187, pp. 137–140.
@inproceedings{2948375,
  abstract     = {Accurate and efficient simulation tools are necessary to optimize the ICRF antenna design for a set of operational conditions. The TOPICA code was developed for performance prediction and for the analysis of ICRF antenna systems in the presence of plasma, given realistic antenna geometries. Fully 3D antenna geometries can be adopted in TOPICA, just as in available commercial codes. But while those commercial codes cannot operate with a plasma loading, the TOPICA code correctly accounts for realistic plasma loading conditions, by means of the coupling with 1D FELICE code. This paper presents the evaluation of the electric current distribution on the structure, of the parallel electric field in the region between the straps and the plasma and the computation of sheaths driving RF potentials. Results of TOPICA simulations will help to optimize and re-design the ICRF ASDEX Upgrade antenna in order to reduce tungsten (W) sputtering attributed to the rectified sheath effect during ICRF operation.},
  author       = {Krivska, A and Milanesio, D and Bobkov, V and Braun, F and Noterdaeme, Jean-Marie},
  booktitle    = {AIP Conference Proceedings},
  editor       = {Bobkov, V and Noterdaeme, JM},
  isbn         = {9780735407534},
  issn         = {0094-243X},
  keywords     = {TOKAMAK,TORE-SUPRA,ASDEX Upgrade,ICRF,TOPICA,Rectified potential,HFSS},
  language     = {eng},
  location     = {Ghent, Belgium},
  pages        = {137--140},
  publisher    = {AIP (American Institute of Physics)},
  title        = {Electromagnetic simulations of the ASDEX Upgrade ICRF Antenna with the TOPICA code},
  volume       = {1187},
  year         = {2009},
}

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