Recent progress in understanding the behavior of dust in fusion devices

S.I. Krasheninnikov, A.Yu. Pigarov, R.D. Smirnov, M. Rosenberg, D.J. Benson, D.A. Mendis, D.L. Rudakov, J.H. Yu, Y. Tanaka, T.K. Soboleva, T.D. Rognlien, B.D. Bray, W.P. West, A.L. Roquemore, C.H. Skinner, J.L. Terry, B. Lipschultz, A. Bader, R.S. Granetz, C.S. PitcherN. Ohno, S. Takamura, S. Masuzaki, N. Ashikawa, M. Tokitani, R. Kumazawa, M. Shiratani, N. Asakura, T. Nakano, A.M. Litnovsky, R. Maqueda

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It has been known for a long time that microscopic dust appears in plasmas in fusion devices. Recently it was shown that dust can be responsible for the termination of long- discharges. Also, in ITER-scale experiments dust can pose safety problems related to its chemical activity, tritium retention and radioactive content. In particular, the presence of dust in the vacuum chamber of ITER is one of the main concerns of the ITER licensing process. Here we review recent progress in the understanding of different experimental and theoretical aspects of the physics of dust dynamics and transport in fusion plasmas and discuss the remaining issues.
Original languageEnglish
JournalPlasma Physics and Controlled Fusion
Issue number12
Publication statusPublished - 1 Jan 2008

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