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Tytuł artykułu

Hall effects and rotation effects on MHD flow past an exponentially accelerated vertical plate with combined heat and mass transfer effects

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Języki publikacji
EN
Abstrakty
EN
A theoretical solution of flow past an exponentially accelerated vertical plate in the presence of Hall current and MHD relative to a rotating fluid with uniform temperature and mass diffusion is presented. The dimensionless equations are solved using the Laplace method. The axial and transverse velocity, temperature and concentration fields are studied for different parameters such as the Hall parameter (m), Hartmann number (M), Rotation parameter (Ω), Schmidt number, Prandtl number, thermal Grashof number (Gr) and mass Grashof number (Gc). It has been observed that the temperature of the plate decreases with increasing values of the Prandtl number and the concentration near the plate increases with decreasing values of Schmidt number. It is also observed that both axial and transverse velocities increase with decreasing values of the magnetic field parameter or rotation parameter, but the trend gets reversed with respect to the Hall parameter. The effects of parameters m, M, […], Gr and Gc on the axial and transverse velocity profiles are shown graphically.
Rocznik
Strony
605--616
Opis fizyczny
Bibliogr. 9 poz., wykr.
Twórcy
  • Department of Mathematics Aarupadai Veedu Institute of Technology Paiyanoor-603 104, Chennai, INDIA
  • Department of Mathematics Aarupadai Veedu Institute of Technology Paiyanoor-603 104, Chennai, INDIA
Bibliografia
  • [1] Hayat T. and Abbas Z. (2007): Effects of Hall current and heat transfer on the flow in a porous medium with slip conditions. – Journal of Porous Media, vol.10, No.1, pp.35-50.
  • [2] Maguna A.N. and Mutua N.M. (2013): Hall current effects on free convection flow and mass transfer past semi-infinite vertical flat plate. – Int. Jnl. of Mathematics and Statistics Studies, vol.1, No.4. pp.1-22.
  • [3] Muthucumaraswamy R., Sathappan K.E. and Natarajan R. (2008): Heat transfer effects on flow past an exponentially accelerated vertical plate with variable temperature. – Theoretical Applied Mechanics, vol.35, pp.323-331.
  • [4] Muthucumaraswamy R., Lal T. and Ranganayakulu D. (2011): Rotation effects on MHD flow past an vertical accelerated plate with variable temperature and uniform mass diffusion. – Annlals of Faculty of Engineering Hunedoara Tome IX, Fascicule 1, pp.228-234.
  • [5] Pop I. (1971): The effect of Hall currents on hydromagnetic flow near an accelerated plate. – J. Math. Phys. Sci. vol.5, pp.375-379.
  • [6] Raptis A. and Singh A.K. (1981): MHD free convection flow past an accelerated vertical plate. – Letters in Heat and Mass Transfer, vol.8, pp.137-143.
  • [7] Takhar H.S., Ram P.C. and Singh S.S. (1992): Hall effects on heat and mass transfer flow with variable suction and heat generation. – Astrophysics and Space Science, vol.191, No.1, pp.101-106.
  • [8] Takhar H.S., Chamkha A.J. and Nath G. (2002): MHD flow over a moving plate in a rotating fluid with a magnetic field, Hall currents and free stream velocity. – Int. J. Engng. Sci., vol.40, No.13. pp.1511-1527.
  • [9] Watanabe T. and Pop I. (1995): Hall effects on magnetohydrodynamic boundary layer flow over a continuous moving flat plate. – Acta Mechanica, vol.108, pp.35-47.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-44747ce1-dcb1-45f2-8a8d-f86469fe1788
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