Momentum transport from current-driven reconnection in the reversed field pinch

F. Ebrahimi; V. V. Mirnov; S. C. Prager; C. R. Sovinec

doi:10.1103/PhysRevLett.99.075003

Momentum transport from current-driven reconnection in the reversed field pinch

F. Ebrahimi, V. V. Mirnov, S. C. Prager, C. R. Sovinec

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16 Scopus citations

Abstract

We calculate momentum transport from tearing fluctuations in a reversed field pinch with sheared flow, considering both the effect of a single tearing mode (through quasilinear theory and MHD computation) and multiple tearing modes (through nonlinear MHD computation). A single tearing mode transports momentum, via Maxwell and Reynolds stresses, more rapidly than classical viscous forces. Moreover, the transport is enhanced by nonlinear coupling of multiple modes.

Original language	English (US)
Article number	075003
Journal	Physical review letters
Volume	99
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.99.075003
State	Published - Aug 16 2007

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.99.075003

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title = "Momentum transport from current-driven reconnection in the reversed field pinch",

abstract = "We calculate momentum transport from tearing fluctuations in a reversed field pinch with sheared flow, considering both the effect of a single tearing mode (through quasilinear theory and MHD computation) and multiple tearing modes (through nonlinear MHD computation). A single tearing mode transports momentum, via Maxwell and Reynolds stresses, more rapidly than classical viscous forces. Moreover, the transport is enhanced by nonlinear coupling of multiple modes.",

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AU - Mirnov, V. V.

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AU - Sovinec, C. R.

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N2 - We calculate momentum transport from tearing fluctuations in a reversed field pinch with sheared flow, considering both the effect of a single tearing mode (through quasilinear theory and MHD computation) and multiple tearing modes (through nonlinear MHD computation). A single tearing mode transports momentum, via Maxwell and Reynolds stresses, more rapidly than classical viscous forces. Moreover, the transport is enhanced by nonlinear coupling of multiple modes.

AB - We calculate momentum transport from tearing fluctuations in a reversed field pinch with sheared flow, considering both the effect of a single tearing mode (through quasilinear theory and MHD computation) and multiple tearing modes (through nonlinear MHD computation). A single tearing mode transports momentum, via Maxwell and Reynolds stresses, more rapidly than classical viscous forces. Moreover, the transport is enhanced by nonlinear coupling of multiple modes.

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Momentum transport from current-driven reconnection in the reversed field pinch

Abstract

All Science Journal Classification (ASJC) codes

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