Effects of small boundary perturbation on the MHD duct flow

Effects of small boundary perturbation on the MHD duct flow

In this paper, we investigate the effects of small boundary perturbation on the laminar motion of a conducting fluid in a rectangular duct under applied transverse magnetic field. A small boundary perturbation of magnitude Є is applied on cross-section of the duct. Using the asymptotic anal...

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Bibliographic Details
Main Authors: Mahabaleshwar Ulavathi Shettar, Pažanin Igor, Radulović Marko, Suárez-Grau Francisco Javier
Format: Article
Language:English
Published: Serbian Society of Mechanics & Mathematical Institute of the Serbian Academy of Sciences and Arts, Belgrade 2017-01-01
Series:Theoretical and Applied Mechanics
Subjects:
MHD flow
boundary perturbation
asymptotic analysis
nonlocal effects
Online Access:http://www.doiserbia.nb.rs/img/doi/1450-5584/2017/1450-55841700004M.pdf
Description
Summary:In this paper, we investigate the effects of small boundary perturbation on the laminar motion of a conducting fluid in a rectangular duct under applied transverse magnetic field. A small boundary perturbation of magnitude Є is applied on cross-section of the duct. Using the asymptotic analysis with respect to Є, we derive the effective model given by the explicit formulae for the velocity and induced magnetic field. Numerical results are provided confirming that the considered perturbation has nonlocal impact on the asymptotic solution.
ISSN:1450-5584
2406-0925

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