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American Physical Society, Physical Review Letters, 6(104), 2010

DOI: 10.1103/physrevlett.104.065002

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Intrinsic Rotation from a Residual Stress at the Boundary of a Cylindrical Laboratory Plasma

Journal article published in 2010 by M. Xu, J. H. Yu, P. H. Diamond, C. Holland, Zheng Yan ORCID, S. H. Müller, G. R. Tynan
This paper is available in a repository.
This paper is available in a repository.

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Data provided by SHERPA/RoMEO

Abstract

An azimuthally symmetric radially sheared azimuthal flow is driven by a nondiffusive, or residual, turbulent stress localized to a narrow annular region at the boundary of a cylindrical magnetized helicon plasma device. A no-slip condition, imposed by ion-neutral flow damping outside the annular region, combined with a diffusive stress arising from turbulent and collisional viscous damping in the central plasma region, leads to net plasma rotation in the absence of momentum input.