Overview of quasi-single helicity experiments in reversed field pinches

P. Martin, L. Marrelli, G. Spizzo, P. Franz, P. Piovesan, I. Predebon, T. Bolzonella, S. Cappello, A. Cravotta, D. F. Escande, L. Frassinetti, S. Ortolani, R. Paccagnella, D. Terranova, B. E. Chapman, D. Craig, S. C. Prager, J. S. Sarff, P. Brunsell, J. A. MalmbergJ. Drake, Y. Yagi, H. Koguchi, Y. Hirano, R. B. White, C. Sovinec, C. Xiao, R. A. Nebel, D. D. Schnack

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Abstract

We report the results of an experimental and theoretical international project dedicated to the study of quasi-single helicity (QSH) reversed field pinch (RFP) plasmas. The project has involved several RFP devices and numerical codes. It appears that QSH spectra are a robust feature common to all the experiments. Our results expand and reinforce the evidence that the formation of self-organized states with one dominant helical mode (Ohmic SH state) is an approach complementary to that of active control of magnetic turbulence to improve confinement in a steady state RFP.

Original languageEnglish (US)
Pages (from-to)1855-1862
Number of pages8
JournalNuclear Fusion
Volume43
Issue number12
DOIs
StatePublished - Dec 1 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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    Martin, P., Marrelli, L., Spizzo, G., Franz, P., Piovesan, P., Predebon, I., Bolzonella, T., Cappello, S., Cravotta, A., Escande, D. F., Frassinetti, L., Ortolani, S., Paccagnella, R., Terranova, D., Chapman, B. E., Craig, D., Prager, S. C., Sarff, J. S., Brunsell, P., ... Schnack, D. D. (2003). Overview of quasi-single helicity experiments in reversed field pinches. Nuclear Fusion, 43(12), 1855-1862. https://doi.org/10.1088/0029-5515/43/12/028