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Obiekt
Tytuł: Effect of magnetic field on thermal instability of Oldroydian viscoelastic rotating fluid in porous medium
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Abstract:
In this paper, we investigate the effect of a vertical magnetic field on thermal instability of an Oldroydian visco-elastic rotating fluid in a porous medium. By applying the normal mode analysis method, the dispersion relation governing the effects of rotation, magnetic field and medium permeability is derived and solved analytically and numerically. ; For the case of stationary convection, the Oldroydian viscoelastic fluid behaves like an ordinary Newtonian fluid and it is observed that rotation has a stabilizing effect while the magnetic field and medium permeability have a stabilizing/destabilizing effect under certain conditions on thermal instability of the Oldroydian viscoelastic fluid in a porous medium. The oscillatory modes are introduced due to the presence of rotation, the magnetic field and gravity field. It is also observed that the "principle of exchange of stability" is invalid in the presence of rotation and the magnetic field.
Publisher:
Zielona Góra: Uniwersytet Zielonogórski
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Source:
IJAME, volume 18, number 2 (2013)
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License CC BY-NC-ND 4.0:
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Biblioteka Uniwersytetu Zielonogórskiego
Kolekcje, do których przypisany jest obiekt:
- Digital Library of Zielona Góra > Repository > Faculties > Faculty of Mechanical Engineering
- Digital Library of Zielona Góra > Repository > Types of work > Articles
- Digital Library of Zielona Góra > Repository > Scientific journals and UZ publishing series > International Journal of Applied Mechanics and Engineering (IJAME)
- Digital Library of Zielona Góra > Repository > Scientific journals and UZ publishing series > International Journal of Applied Mechanics and Engineering (IJAME) > International Journal of Applied Mechanics and Engineering (IJAME) (2013)
Data ostatniej modyfikacji:
Jul 6, 2023
Data dodania obiektu:
Apr 24, 2023
Liczba wyświetleń treści obiektu:
199
Wszystkie dostępne wersje tego obiektu:
https://www.zbc.uz.zgora.pl/publication/81432
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| Nazwa wydania | Data |
|---|---|
| Effect of magnetic field on thermal instability of Oldroydian viscoelastic rotating fluid in porous medium | Jul 6, 2023 |
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