Effect of magnetic Reynolds number on the two-dimensional hydromagnetic flow around a cylinder
Numerical experiments have been conducted to study the effect of magnetic Reynolds number on the steady, two‐dimensional, viscous, incompressible and electrically conducting flow around a circular cylinder. Besides usual Reynolds number Re, the flow is governed by the magnetic Reynolds number Rm and...
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| Veröffentlicht in: | International journal for numerical methods in fluids 2009-04, Vol.59 (12), p.1351-1368 |
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| container_title | International journal for numerical methods in fluids |
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| creator | Sekhar, T. V. S. Sivakumar, R. Ravi Kumar, T. V. R. |
| description | Numerical experiments have been conducted to study the effect of magnetic Reynolds number on the steady, two‐dimensional, viscous, incompressible and electrically conducting flow around a circular cylinder. Besides usual Reynolds number Re, the flow is governed by the magnetic Reynolds number Rm and Alfvén number β. The flow and magnetic field are uniform and parallel at large distances from the cylinder. The pressure Poisson equation is solved to find the pressure fields in the entire flow region. The effects of the magnetic field and electrical conductivity on the recirculation bubble, drag coefficient, standing vortex and pressure are presented and discussed. For low interaction parameter (N |
| doi_str_mv | 10.1002/fld.1870 |
| format | Article |
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For low interaction parameter (N<1), the suppression of the flow‐separation is nearly independent of the conductivity of the fluid, whereas for large interaction parameters, the conductivity of the fluid strongly influences the control of flow‐separation. 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V. S.</creatorcontrib><creatorcontrib>Sivakumar, R.</creatorcontrib><creatorcontrib>Ravi Kumar, T. V. R.</creatorcontrib><title>Effect of magnetic Reynolds number on the two-dimensional hydromagnetic flow around a cylinder</title><title>International journal for numerical methods in fluids</title><addtitle>Int. J. Numer. Meth. Fluids</addtitle><description>Numerical experiments have been conducted to study the effect of magnetic Reynolds number on the steady, two‐dimensional, viscous, incompressible and electrically conducting flow around a circular cylinder. Besides usual Reynolds number Re, the flow is governed by the magnetic Reynolds number Rm and Alfvén number β. The flow and magnetic field are uniform and parallel at large distances from the cylinder. The pressure Poisson equation is solved to find the pressure fields in the entire flow region. The effects of the magnetic field and electrical conductivity on the recirculation bubble, drag coefficient, standing vortex and pressure are presented and discussed. For low interaction parameter (N<1), the suppression of the flow‐separation is nearly independent of the conductivity of the fluid, whereas for large interaction parameters, the conductivity of the fluid strongly influences the control of flow‐separation. 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| ispartof | International journal for numerical methods in fluids, 2009-04, Vol.59 (12), p.1351-1368 |
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| language | eng |
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| source | Wiley Online Library All Journals |
| subjects | Computational methods in fluid dynamics drag coefficient Exact sciences and technology Flow control flow-separation Fluid dynamics full MHD Fundamental areas of phenomenology (including applications) magnetic Reynolds number magnetohydrodynamics Magnetohydrodynamics and electrohydrodynamics Physics |
| title | Effect of magnetic Reynolds number on the two-dimensional hydromagnetic flow around a cylinder |
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