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Original Articles

The stability of dissipative magnetohydrodynamic shear flow in a parallel magnetic field

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Pages 295-314 | Received 03 Dec 1984, Published online: 01 Dec 2006
 

Abstract

Strong decay bounds are obtained for linearized perturbations to an unbounded, plane Couette flow in a parallel magnetic field. Finite conductivity and molecular viscosity are found to be stabilizing. Those modes decaying most slowly have the form of rolls aligned with the shear flow. The non-aligned rolls decay at an enhanced rate. Stability bounds at finite amplitude are obtained for flows bounded in one direction using energy methods.

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