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Fluctuation-induced fluxes have a bursty character. As a consequence, a significant part of the total particle flux is carried out by sporadic, large transport bursts. The local flux distribution function is consistent with a near-Gaussian character of the fluctuations. The radial dependence of the statistical properties of plasma fluctuations and induced fluxes have been investigated in the plasma boundary region of the TJ-I tokamak [I. Garc{acute i}a-Cort{acute e}s {ital et} {ital al}., Phys. Fluids B {bold 4}, 4007 (1992)] and the TJ-IU torsatron [E. Ascasibar {ital et} {ital al}., in {ital Plasma} {ital Physics} {ital and} {ital Controlled} {ital Fusion} {ital Research}, Proceedings of the 15th Conference on Plasma Physics and Controlled Nuclear Fusion Research, Seville (International Atomic Energy Agency, Vienna, in press)]. There is a striking similarity between the statistical properties of turbulent transport in both devices. {copyright} {ital 1996 American Institute of Physics.}
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| Authors: |
Carreras, B.A. [Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-8070 (United States)];
Hidalgo, C.;
Sanchez, E.;
Pedrosa, M.A.;
Balbin, R.;
Garcia-Cortes, I.;
van Milligen, B. [Asociacion Euratom-Ciemat, 28040 Madrid (Spain)];
Newman, D.E.;
Lynch, V.E. [Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-8070 (United States)]
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| Publication Date: | 1996 Jul 01 |
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| OSTI Identifier: | 285583 |
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| DOE Contract Number: | AC05-96OR22464 |
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| Resource Type: | Journal Article |
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| Resource Relation: | Journal Name: Physics of Plasmas; Journal Volume: 3; Journal Issue: 7; Other Information: PBD: Jul 1996 |
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| Research Org: | Oak Ridge National Laboratory |
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| Country of Publication: | United States |
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| Language: | English |
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| Format: | Size: pp. 2664-2672 |
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| Other Number(s): | Journal ID: PHPAEN; ISSN 1070-664X; TRN: 96:020486 |
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| Subject: | 70 PLASMA PHYSICS AND FUSION; TJ-1 TOKAMAK; TURBULENCE; TORSATRON STELLARATORS; FLUCTUATIONS; DISTRIBUTION FUNCTIONS; TRANSPORT THEORY; GAUSSIAN PROCESSES |
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| Related Subject: | PARTICLE FLUX |
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| Update Date: | 2009 Dec 16 |
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