Plasma potential correlations between heavy ion beam probe and langmuir probe on the Т-10 tokamak
This work is dedicated to simultaneous measurements of plasma potential oscillations at GAM frequencies in different locations on the T-10 tokamak and studying their correlation properties. Recent experiments with Heavy Ion Beam Probing and Langmuir probes have shown high coherency between signals...
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| Date: | 2018 |
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| Main Authors: | , , , , , , , |
| Format: | Article |
| Language: | English |
| Published: |
Національний науковий центр «Харківський фізико-технічний інститут» НАН України
2018
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| Series: | Вопросы атомной науки и техники |
| Subjects: | |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Plasma potential correlations between heavy ion beam probe and langmuir probe on the Т-10 tokamak / V.N. Zenin, M.A. Drabinskij, L.G. Eliseev, S.A. Grashin, P.O. Khabanov, N.K. Kharchev, L.I. Krupnik, A.V. Melnikov // Вопросы атомной науки и техники. — 2018. — № 6. — С. 321-323. — Бібліогр.: 5 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Summary: | This work is dedicated to simultaneous measurements of plasma potential oscillations at GAM frequencies in
different locations on the T-10 tokamak and studying their correlation properties. Recent experiments with Heavy
Ion Beam Probing and Langmuir probes have shown high coherency between signals of two diagnostics (up to 0.8)
despite a large distance between the observation points: half of torus in toroidal and about π in poloidal direction, up
to 12 cm in radial direction. The phase shift between potentials measured with two diagnostics has been obtained in
two plasma scenarios. It was found the most likely that potential oscillations at the GAM frequency propagate
outward, but influence of 2π phase shift cannot be excluded. |
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