Finite Element Solution of MHD Transient Flow past an Impulsively Started Infinite Horizontal Porous Plate in a Rotating Fluid with Hall Current

Publish Year: 1392
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_JAFM-5-3_012

تاریخ نمایه سازی: 5 بهمن 1400

Abstract:

The problem of a transient three dimensional MHD flow of an electrically conducting viscous incompressible rotating fluid past an impulsively started infinite horizontal porous plate taking into account the Hall current is presented. It is assumed that the fluid rotates with a constant angular velocity about the normal to the plate and a uniform magnetic field applied along the normal to the plate and directed into the fluid region. The magnetic Reynolds number is assumed to be so small that the induced magnetic field can be neglected. The non-dimensional equations governing the flow are solved by Galerkin finite element method. The expressions for the primary and secondary velocity fields are obtained in non-dimensional form. The effects of the physical parameters like M (Hartmann number), Ω (Rotation parameter) and m (Hall parameter) on these fields are discussed through graphs and results are physically interpreted.

Keywords:

Finite Element Solution of MHD Transient Flow

Authors

J. Anand Rao

Department of Mathematics, University College of Science, Osmania University, Hyderabad, ۵۰۰۰۰۷, Andhra Pradesh, India.

R. Srinivasa Raju

Department of Basic Science and Humanities, Padmasri Dr. B. V. Raju Institute of Technology, Narsapur, Medak (Dt), ۵۰۲۳۱۳, Andhra Pradesh, India.

S. Sivaiah

Department of Mathematics, Gitam University, Hyderabad Campus, Hyderabad, ۵۰۲۳۲۹, Andhra Pradesh, India.