MHD surface wave calculations for a helical antenna

1 January 1987

proceedings article
Published by AIP Publishing in AIP Conference Proceedings

Vol. 159 (1) , 418-421
https://doi.org/10.1063/1.36649

Abstract

Amagishi recently reported magnetic probe radial profile measurements of axial phase velocities and attenuation lengths for 449 and 605 kHz, m=−1 MHD surface waves launched by a two elment helical antenna. The experiments were carried out in a current free, linear machine (TPH). Using a kinetic code we have computed the plasma response to his antenna Fourier components. From the superposition we calculate an effective phase velocity and compare with Amagishi’s results. Also presented are radial and axial profiles of the fields.

Keywords

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