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Type: Artigo de periódico
Title: Transient Flow Of A Magnetised Plasma Due To Thermal Perturbation
Author: Alagoa K.D.
Abstract: At time t < 0, a steady stationary condition of a fully ionised gas exists in space, such that the velocity components, the induced magnetic field and a uniform temperature are given by (0, 0, 0), (0, 0, Ho) and Θ, respectively, in the rectangular coordinate (x, y, z). At t = 0, a sudden increase of temperature is applied at z = 0. If the Eckert terms are neglected, an integral transform technique is employed to solve for the z-axis related transient flow (U, V, 0), (Hx, Hy, Ho), and temperature Θ(z, t). For large applied magnetic field, Ho the flow is observed to exhibit disturbance modes some of which are oscilatory, and some streaming modes are seen accompanied by the expected decays. For a thermally perturbed plasma the flow is seen to be largely governed by conduction parameters if viscous terms are not neglected under the MHD approximations.
Rights: fechado
Identifier DOI: 
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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