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          Institute: MPI für Plasmaphysik     Collection: Articles, Books, Inbooks     Display Documents

ID: 20722.0, MPI für Plasmaphysik / Articles, Books, Inbooks
The Torsatron TJ-K, an experiment for the investigation of turbulence in a toroidal low-temperature plasma
Authors:Krause, N.; Lechte, C.; Stober, J.; Stroth, U.; Ascasibar, E.; Alonso, J.; Niedner, S.
Date of Publication (YYYY-MM-DD):2002-10
Title of Journal:Review of Scientific Instruments
Journal Abbrev.:Rev. Sci. Instrum.
Issue / Number:10
Start Page:3474
End Page:3481
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The Torsatron TJ-K is a toroidal device operated with a magnetically confined low-temperature plasma to study turbulence and wave propagation. The magnetic configuration is the same as for a fusion plasma device. However, the plasma parameters are such that probes can be used in the entire plasma cross section to measure the detailed spatiotemporal structure of the turbulence. At the same time, the dimensionless parameters governing turbulence are in the same range as those of the fusion plasma edge. The objective of the experiment is to obtain data, which allow a close comparison with drift-wave turbulence simulations. Furthermore, the propagation of the helicon heating wave in a toroidal geometry as well as excited gap Alfven modes will be studied. The article presents the experimental setup and the diagnostics. It is demonstrated that the TJ-K plasma has parameters and profiles relevant to achieve the objectives of the project. First results of turbulence and wave studies are presented. (C) 2002 American Institute of Physics.
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Plasmaphysik/E1
External Affiliations:CAU Kiel, Inst Expt & Angew Phys, Kiel, Germany; CAU Kiel, Inst Expt & Angew Phys, Kiel, Germany; Asociac Euratom Ciemat, Lab Nacl Fus, Madrid 28040, Spain
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