Flow of a magneto-micropolar fluid with temperature dependent viscosity and thermal conductivity past a continuously moving plate

• Autorzy: Modather M. , Abdou M.
• Języki publikacji: EN

Abstrakty

EN

A boundary layer analysis has been presented to study heat transfer with the effects of temperature dependent viscosity and thermal conductivity in the laminar, viscous, incompressible, electrically conducting, micropolar fluid past a continuously moving plate in the presence of a transverse magnetic field. The governing equations are transformed to dimensionless similarity boundary layer equations. Numerical solutions are given for the governing momentum, angular momentum and energy equations using the shooting method. The effects of the magnetic field parameter, the viscosity variation parameter, thermal conductivity variation parameter and micropolar parameter on the skin friction, wall couple stress and rate of heat transfer are discussed.

Słowa kluczowe

EN

heat transfer; magnetohydrodynamic; micropolar fluid; temperature dependent viscosity; thermal conductivity; moving plate

PL

przenoszenie ciepła; magnetohydrodynamika

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2009
• Tom: Vol. 14, no 2
• Strony: 461--471
• Opis fizyczny: Bibliogr. 16 poz., tab., wykr.

Twórcy

autor

Modather M.

autor

Abdou M.

• Department of Mathematics Faculty of Science Aswan South Valley University Aswan, EGYPT,

Bibliografia

• Arunachalam M. and Rajappa N.R. (1978): Thermal boundary layer in liquid metals with variable thermal conductivity. - Appl. Sci. Res., vol.34, pp.179-187.
• Chaim T.C. (1998): Heat transfer in a fluid with variable thermal conductivity over a linearly stretching sheet. - Acta Mechanica, vol.129, pp.63-72.
• El- Hakiem M. (1998): Effects of a transverse flows with variable viscosity in micropolar fluids. - Heat Mass Transfer, vol.34, No.2/3, pp.91-99.
• El-Hakiem M. (1998): Effects of a transverse magnetic field on natural convection with temperature dependent viscosity in micropolar fluids. - Appl. Mech. Eng., vol.3, No.2, pp.287-304.
• EL-Hakiem M.A. and M. Modather M. Abdou (2006): The effect of variable viscosity on MHD natural convection in micropolar fluids. - Int. J. of Applied Mechanics and Engineering, vol.11, No.2, pp.301-320.
• El-Kabeir S.M.M. (2004): Radiative effects on forced convection flows in micropolar fluid with variable viscosity. - Can. J. Phys., vol.82, pp.151-165.
• Hady F.M., Bakier A.Y. and Gorla R.S.R. (1996): Mixed convection boundary layer flow on a continuous flat plate with variable viscosity. - Heat Mass Trans., vol.31, pp.169-172.
• Hossain M.A., Kabir S. and Rees D.A.S. (1999): Natural convection flow from vertical wavy surface with variable viscosity. - ZAMP.
• Hossain M.A. and Munir M.S. (2000): Mixed convection flow of a viscous fluid from a vertical plate with temperature dependent viscosity. - Int. J. Therm. Sci.
• Hossain M.A., Munir M.S. and Rees D.A.S. (2000): Flow of viscous incompressible fluid with temperature dependent viscosity and thermal conductivity past a permeable wedge with uniform surface heat flux. - Int. J. Therm. Sci., vol.39, pp.635-644.
• Kafoussias N.G. and Willams E.W. (1997): The effect of temperature dependent viscosity on the free convective laminar boundary layer flow past a vertical isothermal flat plate. - Acta Mechanica, vol.110, pp.123-137.
• Kays W.M. (1966): Convective heat and mass transfer. - New York: McGraw-Hill, p.362.
• Mohammadein A.A., EL-Kabeir S.M.M. and Gorla R.S.R. (1998): Variable viscosity effects on natural convection in a micropolar fluid at an axisymmetric stagnation point. - App. Mech. Eng., vol.3, No.4, pp.539-552.
• Mohammadien A.A., EL-Hakiem M.A., M. Modather M. Abdou, Mansour M.A. and Gorla R.S.R. (1999): MHD mixed convection in a micropolar fluid over a heated horizontal plate. - J. of MHD Plasma and Space, vol.9, No.1, pp.65-88.
• Pop I., Gorla R.S. and Rashidi M. (1992): The effect of variable viscosity on flow and heat transfer to a continuous moving flat plate. - Int. J. Eng. Sci., vol.30, pp.1-6.
• Takhar S.H. and Pop I. (1993): Variable viscosity effects on natural convection in axisymmetric stagnation flows adjacent to vertical surfaces. - Int. Comm. Heat Mass Transfer, vol.20, pp.255-264.