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Dynamics of plasma blobs in a shear flow

Diallo, Ahmed; Fasoli, A; Furno, I; Labit, B; Podesta, M; Theiler, C


The global dynamic of plasma blobs in a shear flow is investigated in a simple magnetized torus using the spatial Fourier harmonics (k-space) framework. Direct experimental evidence of a linear drift in k space of the density fluctuation energy synchronized with blob events is presented. During this drift, an increase of the fluctuation energy and a production of the kinetic energy associated with blobs are observed. The energy source of the blob is analyzed using an...[Show more]

CollectionsANU Research Publications
Date published: 2008-09-11
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.101.115005


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