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Effects of heat and mass transfer on a moving vertical cylinder with chemically reactive species diffusion

Wybrane pełne teksty z tego czasopisma
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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A numerical analysis is carried out to examine the combined heat and mass transfer along with chemical reaction characteristics in a free convective flow over a moving semi-infinite vertical cylinder. The governing equations are solved using an implicit finite difference scheme of Crank-Nicolson type. The effects of the chemical reaction in transient velocity, temperature, concentration, local and average skin-friction, Nusselt number and Sherwood number profiles are illustrated and discussed for various physical parametric values. It is observed that with an increase in the chemical reaction parameter K or the Schmidt number Sc, velocity decreases, but velocity increases with an increasing thermal Grashof number Gr or mass Grashof number Gc. The surface mass transfer strongly depends on the Schmidt number and the chemical reaction and it decreases with their increasing values.
Rocznik
Strony
195--205
Opis fizyczny
Bibliogr. 11 poz., wykr.
Twórcy
autor
  • School of Mathematics, Anna University, Chennai - 600 025, INDIA
  • School of Mathematics, Anna University, Chennai - 600 025, INDIA
Bibliografia
  • [1] Bottemanne F.A. (1972): Experimental results of pure and simultaneous heat and mass transfer by free convection about a vertical cylinder for Pr = 0.7 and Sc = 0.63 . - Appl. Sci. Res., vol.25, pp.372-382.
  • [2] Carnahan B., Luther HA. and Wilkes J.O. (1969): Applied Numerical Methods. - New York: John Wiley and Sons.
  • [3] Chambre P.L. and Young J.D. (1958): On the diffusion of a chemically reactive species in laminar boundary layer flow. Physics of Fluids, vol.l, pp.48-54.
  • [4] Chen J,LS. (1983): Natural convection from needles with variable wall heat flux. - J. Heat Transfer, vol.105, pp.403-406.
  • [5] Chen T,S. and Yuh C.F. (1980): Combined heat and mass transfer in natural convection along vertical cylinder. - hit, J. Heat Mass Transfer, vol.23, pp.451-461.
  • [6] Das N., Deka R. and Soundalgekar V.M. (1994): Effects of mass transfer on flow past an impulsively started infinite vertical plate with constant heat flux and chemical reaction. - Eng. Res, vol.60, pp.284-287.
  • [7] Ganesan P. and Rani H.P. (1998): Transient natural convection along vertical cylinder with heat and mass transfer. - llcnl Mass Transfer, vol.33, pp.449-455.
  • [8] Ganesan P. and Loganathan P. (2001): Unsteady free convection flow over a moving vertical cylinder with heat and mass transfer. - Heat Mass Transfer, vol.37, No.l, pp.59-65.
  • [9] Pop I., Kumari M. and Nath G. (1990): Non-Newtonian boundary layers on a moving cylinder. - Int. J. Engng. Sci., vol.28, pp.303-312.
  • [10] Takhar M.S., Chamkha A.J. and Nath G. (2000): Combined heat and mass transfer along a vertical moving cylinder with a free stream. - Heat Mass Transfer, vol.36, pp.237-246.
  • [11] Yang K.T. (I960): Possible similarity solutions for laminar free convection on vertical plots and cylinders. - J. Appl. Meeh., vol.27, pp.230-236.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ2-0005-0003
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