Power Absorption Calculation for Electron Cyclotron Resonance Heating in H-1 Heliac

K Nagasaki, Michael Shats, Heather Smith, Horst Punzmann

    Research output: Contribution to journalArticle

    Abstract

    Power absorption is calculated for electron cyclotron resonance heating (ECRH) in the H-1 heliac device by using a ray tracing numerical code. The three-dimensional magnetic field structure and the bean shape of flux surfaces are considered. The calculation results show that the second harmonic extraordinary mode heating is effective even at low density if the launching direction is properly adjusted. The localized power absorption profile can be shifted from on-axis to off-axis by controlling the magnetic field strength or the launching angle, making the heat transport experiment possible.
    Original languageEnglish
    Pages (from-to)617-620
    JournalJournal of the Physical Society of Japan
    Volume70
    Issue number3
    DOIs
    Publication statusPublished - 2001

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