Lower hybrid current drive at ITER-relevant high plasma densities

R. Cesario, L. Amicucci, G. Calabrò, A. Cardinali, C. Castaldo, M. Marinucci, L. Panaccione, V. Pericoli-Ridolfini, A.A. Tuccillo, O. Tudisco

Research output: Contribution to conferencePaper

5 Citations (Scopus)

Abstract

Recent experiments indicated that a further non-inductive current, besides bootstrap, should be necessary for developing advanced scenario for ITER. The lower hybrid current drive (LHCD) should provide such tool, but its effectiveness was still not proved in operations with ITER-relevant density of the plasma column periphery. Progress of the LH deposition modelling is presented, performed considering the wave physics of the edge, and different ITER-relevant edge parameters. Operations with relatively high edge electron temperatures are expected to reduce the LH∥spectral broadening and, consequently, enabling the LH power to propagate also in high density plasmas (∥is the wavenumber componenent aligned to the confinement magnetic field). New results of FTU experiments are presented, performed by following the aforementioned modeling: they indicate that, for the first time, the LHCD conditions are established by operating at ITER-relevant high edge densities. © 2009 American Institute of Physics.
Original languageEnglish
DOIs
Publication statusPublished - 2009
Externally publishedYes
Event18th Topical Conference on Radio Frequency Power in plasmas - , Belgium
Duration: 1 Jan 2009 → …

Conference

Conference18th Topical Conference on Radio Frequency Power in plasmas
CountryBelgium
Period1/1/09 → …

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Cesario, R., Amicucci, L., Calabrò, G., Cardinali, A., Castaldo, C., Marinucci, M., Panaccione, L., Pericoli-Ridolfini, V., Tuccillo, A. A., & Tudisco, O. (2009). Lower hybrid current drive at ITER-relevant high plasma densities. Paper presented at 18th Topical Conference on Radio Frequency Power in plasmas, Belgium. https://doi.org/10.1063/1.3273782