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Modelling of the ion cyclotron resonance heating scenarios for W7-X stellarator

Yevgen O. Kazakov (Institutionen för teknisk fysik, Nukleär teknik) ; Dirk Van Eester ; Jozef Ongena ; Tünde Fülöp (Institutionen för teknisk fysik, Nukleär teknik)
AIP Conference Proceedings (0094-243X). Vol. 1580 (2014), p. 342-345.
[Konferensbidrag, refereegranskat]

The construction of the world largest superconducting stellarator Wendelstein 7-X (W7-X) has reached the final stage. One of the main scientific objectives of the W7-X project is to prove experimentally the predicted good confinement of high-energy ions. Ion cyclotron resonance heating (ICRH) system is considered to be installed in W7-X to serve as a localized source of high energy ions. ICRH heating scenarios relevant for hydrogen and deuterium phases of W7-X operation are summarized. The heating efficiency in (3He)-H plasmas is qualitatively analyzed using a modified version of the 1D TOMCAT code able to account for stellarator geometry. The minority ion absorption is shown to be maximized at the helium-3 concentration ~2% for the typical plasma and ICRH parameters to be available during the initial phase of W7-X.

Nyckelord: ICRH, W7-X, heating scenarios

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Denna post skapades 2014-02-19. Senast ändrad 2014-09-09.
CPL Pubid: 193976


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Institutioner (Chalmers)

Institutionen för teknisk fysik, Nukleär teknik (2006-2015)


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Chalmers infrastruktur