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Abstrakty
An analysis of a steady laminar mixed convection boundary layer flow along a vertical cone of constant wall heat flux for any Prandtl number is presented. A mixed convection parameter [...], as proposed by Lin and Chen (1988), is used to serve as a controlling parameter that determines the relative importance of the forced and the free convection flows. New coordinates and dependent variabIes are then defined in terms of [...], so that the transformed non-similar boundary layer equations give computationally efficient numerical solutions which are valid over the entire range of the mixed convection flow from the forced convection limit [...] to the free convection limit [...] for fluids of any Prandtl number. The effect of the mixed convection parameter and the Prandtl number on the velocity and temperature profile s as well as on the skin friction and heat transfer coefficients are shown for both cases of buoyancy assisting and buoyancy opposing flow conditions, respectively.
Rocznik
Tom
Strony
733--744
Opis fizyczny
Bibliogr. 21 poz., tab., wykr.
Twórcy
autor
autor
autor
- Department of Mathematics, Indian Institute of Bangalore Bangalore, INDIA, pop.ioan@yahoo.co.uk
Bibliografia
- Alamgir M. (1989): Overall heat transfer from vertical cones in laminar free convection: an approximate method. - ASME J. Heat Transfer, vol.101, pp.174-76.
- Bejan A. (1995): Convective Heat Transfer (2nd edition). - New York: Wiley.
- Cebeci T. and Bradshaw P. (1984): Physical and Computational Aspects of Convective Heat Transfer. - New York: Springer.
- Gorla R.S.R. and Stratman R.A. (1986): Natural convection boundary layer flow of water at 4oC past a slender cone. - Int. Comm. Heat Mass Transfer, vol.13, pp.403-414.
- Hering R.G. (1965): Laminar free convection from a non-isothermal cone at low Prandtl Numbers. - Int. J. Heat Mass Transfer, vol.8, pp.1333-1337.
- Hering R.G. and Grosh R.J. (1962): Laminar free convection from a non-isothermal cone. - Int. J. Heat Mass Transfer, vol.5, pp.1059-1068.
- Hossain M.A. and Paul S.C. (2001): Free convection from a vertical permeable circular cone with non-uniform surface temperature. - Acta Mechanica, vol.151, pp.103-114.
- Kuiken H.K. (1968): Axisymmetric free convection boundary-layer flow past slender bodies. - Int. J. Heat Mass Transfer, vol.11, pp.1141-1153.
- Kumari M., Pop I. and Nath G. (1989): Mixed convection along a vertical cone. - Int. Comm. Heat Mass Transfer, vol.16, pp.247-255.
- Kumari M. and Pop I. (1998): Free convection over a vertical rotating cone with constant wall heat flux. - J. Appl. Mech. Eng., vol.3, pp.451-464.
- Pop I., Groşan T. and Kumari M. (2003): Mixed convection along a vertical cone for fluids of any Prandtl number: case of constant wall temperature. - Int. J. Num. Methods Heat Fluid Flow, vol.13, pp.815-829.
- Lin E.N. (1976): Laminar free convection from a vertical cone with uniform surface heat flux. - Letters in Heat and Mass Transfer, vol.3, pp.49-58.
- Lin H.-T. and Chen C.-C. (1988): Mixed convection on vertical plate for fluids of any Prandtl number. - Wärme- und Stoffübertr., vol.22, pp.159-168.
- Merk H.J. and Prins J.A. (1953): Thermal convection in laminar boundary layers. - Appl. Sci. Res., vol.4A, pp.11-24 and pp.195-205.
- Pop I. and Takhar H.S. (1991): Compresibility effects in laminar free convection from a vertical cone. - Appl. Sci. Res., vol.48, pp.71-82.
- Pop I. and Watanabe T. (1992): Free convection with uniform suction or injection from a vertical cone for constant wall heat flux. - Int. Comm. Heat Mass Transfer, vol.19, pp.275-283.
- Roy S. (1974): Free convection from a vertical cone at high Prandtl numbers. - ASME J. Heat Transfer, vol.96, pp.115-117.
- Sparrow E.M. and Guinle L.D.F. (1968): Deviation from classical free convection boundary layer theory at low Prandtl numbers. - Int. J. Heat Mass Transfer, vol.11, pp.1403-1415.
- Wang T.-T. (1991): General analysis of thermal convection heat transfer on a vertical cone. - J. Chinese Soc. Mech. Eng., vol.12, pp.227-232.
- Wang T.-T., Kleinstreuer C. and Chiang H. (1994): Mixed convection from a rotating cone with variable surface temperature. - Num. Heat Transfer, Part A, vol.25, pp.75-83.
- Watanabe T. (1991): Free convection boundary layer flow with uniform suction or injection over a cone. - Acta Mechanica, vol.87, pp.1-9.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ2-0034-0013