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Tytuł artykułu
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Wybrane pełne teksty z tego czasopisma
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Warianty tytułu
Języki publikacji
Abstrakty
The influence of variable viscosity and a transverse magnetic field on natural convection in micropolar fluids is examined. The fluid viscosity is assumed to vary as an inverse linear function of temperature. Four different vertical flows have been analyzed, those adjacent to an isothermal surface and uniform heat flux surface, a plane plume and flow generated from a horizontal line energy source on a vertical adiabatic surface, or wall plume. By means of similarity solutions and deviation of the velocity, temperature and micro-rotation fields as well as the skin friction, heat transfer and wall couple stress results from their constant values are determined.
Słowa kluczowe
Rocznik
Tom
Strony
301--320
Opis fizyczny
Bibliogr. 11 poz., tab., wykr.
Twórcy
autor
autor
autor
- Department of Mathematics, Faculty of Science Aswan South Valley University, Aswan, EGYPT, m_modather@yahoo.com
Bibliografia
- Carey P.V. and Mollendorf C.J. (1978): Natural convection in liquids with temperature-dependent viscosity. - In Proceedings of the Sixth International Heat Transfer Conference, Toronto, Hemisphere,Washington, D.C., vol.2, pp.211-217.
- Carey P.V. and Mollendorf C.J. (1980): Variable viscosity effects in several natural convection flows. - Int. J. Heat Mass Transfer, vol.23, pp.95-109.
- EL-Hakiem M. (1998): Effects of a transverse magnetic field on natural convection with temperature dependent viscosity in micropolar fluids. - Applied Mechanics and Engineering, vol.3, No.2, pp.287-304.
- Herwing H., Wickern G. and Gersten K. (1985): The influence of variable fluid properties to free convection laminar flow. - Thermo and Fluids, vol.19, pp.19-30.
- Jang Y.J. and Lin N.C. (1988): Free convection flow over a uniform heat flux surface with temperature- dependent viscosity. - Thermo and Fluids, vol.23, pp.213-217.
- Mohammadien 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. - Applied Mechanics and Engineering, vol.3, No.4, pp.539-552.
- Pop I., Gorla R.S.R. 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, No.1, pp.1-6.
- Pozzi A. and Lupo M. (1990): Variable-property effects in free convection. - Int. J. Heat Mas Fluid Flow, vol.11, pp.135-141.
- Shang T.D. and Wang X.B. (1990): Effect of variable thermo physical properties on laminar free convection of Gasy. - Int. J. Heat Mass Transfer, vol.33, pp.1387-1395.
- Spalding B.D. and Gruddace G.R. (1961): Theory of the steady laminar buoyant flow above a line heat source in a fluid of large Prandtl number and temperature-dependent viscosity. - Int. J. Heat Mass Transfer vol.3, pp.55-59.
- Takhar S.H. and Pop I. (1993): Variable viscosity effects on natural convection in axisyemetrice stagnation flows adjacent to vertical surfaces. - Int. Comm. Heat Mass Transfer, vol.20, pp.255-264.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ2-0023-0018