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Abstract

Transport analysis of high performance JET plasmas with optimized magnetic shear has revealed many interesting features which cannot be explained by the existing JET empirical transport model. TRANSP analysis shows that transport coefficients in OMS plasmas are often reduced in the plasma core to the level of ion neoclassical transport. TRANSP analysis and predictive modelling with JETTO show that this region of improved confinement appears near the plasma centre and then expands outwards in a way which does not follow either the evolution of the region with the negative magnetic shear or the propagation of the region with large shear in plasma rotation

Additional information

Authors: JET JOINT UNDERTAKING, ;ABINGDON (GB),
Bibliographic Reference: Article: nuclear Fusion, 39 (1999)3, 429-437
Record Number: 199911575 / Last updated on: 1999-11-13
Category: PUBLICATION
Original language: en
Available languages: en
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