[Updated on July 12] Integration of CiNii Articles into CiNii Research from April 1, 2022

大型ヘリカル装置のIC聾アンテナと加熱特性

Abstract

Ion-cyclotron heating was applied to the Large Helical Device by using single, trap loop antennas located at the outward side of the toroid. Good experimental results were obtaine with adequate plasma confining configurations and antenna conditionings.Loading resistance of the antenna was2-8Ohm and this was a sufficiently large value. Various heating characteristics were investigated by changing the heating modes, ion species and magneticfield configurations.The minoriy-ion heating mode resulted in the best heating performances,and the heatin gcharacteristics largely depended on the cyclotron resonance positions.There were some unique features due to the heliotron configuration.These results showed the effectiveness of the ICRF heating in a helical device and the appropriateness of the ICRF antenna design in the LHD.

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