Theory of drift-thermal instability-induced turbulence

A. S. Ware; P. H. Diamond; B. A. Carreras; J. N. Leboeuf; D. K. Lee

doi:10.1063/1.860449

Theory of drift-thermal instability-induced turbulence

A. S. Ware, P. H. Diamond, B. A. Carreras, J. N. Leboeuf, D. K. Lee

Physics and Astronomy

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Abstract

A simple model for drift-thermal instability-induced turbulence is derived and studied both analytically and numerically. Both nonlocal, nonlinear analytical calculations and three-dimensional computations are used. Potential and temperature fluctuation levels and radial correlation lengths are calculated and compared to numerical results. The saturation mechanism and the role of a fluctuation-generated shear flow are elucidated. The numerical calculations are used to obtain spectra and correlation lengths. A detailed comparison of analytical and numerical results is given.

Original language	English
Pages (from-to)	102-116
Number of pages	15
Journal	Physics of Fluids B
Volume	4
Issue number	1
DOIs	https://doi.org/10.1063/1.860449
State	Published - 1992

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abstract = "A simple model for drift-thermal instability-induced turbulence is derived and studied both analytically and numerically. Both nonlocal, nonlinear analytical calculations and three-dimensional computations are used. Potential and temperature fluctuation levels and radial correlation lengths are calculated and compared to numerical results. The saturation mechanism and the role of a fluctuation-generated shear flow are elucidated. The numerical calculations are used to obtain spectra and correlation lengths. A detailed comparison of analytical and numerical results is given.",

author = "Ware, {A. S.} and Diamond, {P. H.} and Carreras, {B. A.} and Leboeuf, {J. N.} and Lee, {D. K.}",

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AU - Diamond, P. H.

AU - Carreras, B. A.

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AU - Lee, D. K.

PY - 1992

Y1 - 1992

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Theory of drift-thermal instability-induced turbulence

Abstract

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