Ion orbit loss current in asdex upgrade

Jukka Heikkinen, Timo Kiviniemi, A. Peetas, Taina Kurki-Suonio, Seppo Sipilä, W. Herrmann, W. Suttrop, H. Zohm

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)


The orbit loss current is calculated for the ASDEX Upgrade geometry using the 5D (3D in configuration space and 2D in velocity space) Monte Carlo code ASCOT. The balance between the obtained current and the analytical estimate of the return current shows an L-H transition for the normalized collision frequency υ*i≈1 as expected from analytic theory. The transition in ASDEX Upgrade, however, occurs at larger values of υ*i≈1.
Original languageEnglish
Pages (from-to)693-696
JournalPlasma Physics and Controlled Fusion
Issue number5
Publication statusPublished - 1998
MoE publication typeA1 Journal article-refereed


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