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Abstract

In the JET experimental campaign with the Mark IIA divertor, high-performance discharges have been achieved with combined neutral beam injection and ion-cyclotron resonance heating (ICRH). In the experiments ICRH was normally tuned to the fundamental hydrogen resonance, coinciding with the second harmonic deuterium resonance, near the plasma centre. With the addition of ICRH, increased plasma energy content, electron temperature and bulk ion heating have been obtained. Due to acceleration of deuterium beam ions, the deuterium-deuterium fusion reactivity has also been enhanced. In the present paper ICRH in JET high-performance deuterium discharges is analysed using numerical simulations, with the aim to investigate under which conditions bulk ion heating can be obtained with ICRH.

Additional information

Authors: JET JOINT UNDERTAKING, ;ABINGDON (GB),
Bibliographic Reference: Article: JET-P(98)81
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