Theory of drift-thermal instability-induced turbulence

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

Research output: Contribution to journalArticlepeer-review

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 languageEnglish
Pages (from-to)102-116
Number of pages15
JournalPhysics of Fluids B
Volume4
Issue number1
DOIs
StatePublished - 1992

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