Anomalous current penetration in the SINP tokamak

The current penetration in the startup phase of the SINP tokamak discharge is investigated by using soft X ray diagnostics. It is found that the current penetration during the current rise phase is anomalous, and the results show that current driven ion acoustic instability must be the most prominen...

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Bibliographic Details
Published in:Nuclear fusion 1998-09, Vol.38 (9), p.1381-1384
Main Authors: Paul, R.K, Iyengar, A.N. Sekar, Hui, A.K
Format: Article
Language:English
Subjects:
Electric currents
Electric discharges
Exact sciences and technology
Ion acoustic waves
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma diagnostic techniques and instrumentation
Plasma heating (beam injection, radio-frequency and microwave, ohmic, icr, ecr and current drive heating)
Plasma production and heating
Plasma stability
X ray analysis
X-ray and y-ray measurements
X-ray and γ-ray measurements
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Summary:The current penetration in the startup phase of the SINP tokamak discharge is investigated by using soft X ray diagnostics. It is found that the current penetration during the current rise phase is anomalous, and the results show that current driven ion acoustic instability must be the most prominent candidate for rapid current penetration.
ISSN:0029-5515
1741-4326
DOI:10.1088/0029-5515/38/9/312