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Abstrakty
Thermal radiation and hydromagnetic effects on an unsteady free convective flow of a viscous incompressible flow past an infinite vertical oscillating plate with variable temperature and mass diffusion are presented, taking into account the homogeneous chemical reaction of first order. The fluid considered here is a gray, absorbing-emitting radiation but a non-scattering medium. The plate temperature is raised linearly with time and the concentration level near the plate is also raised linearly with time. An exact solution to the dimensionless governing equations is obtained by the Laplace transform method, when the plate is oscillating harmonically in its own plane. The effects of velocity, temperature and concentration are studied for different parameters such as the magnetic field parameter, phase angle, Schmidt number, thermal radiation parameter, thermal Grashof number, mass Grashof number and chemical reaction parameter. It is observed that velocity increases with a decreasing magnetic field parameter or radiation parameter. It is also observed that velocity increases with a decreasing phase angle or chemical reaction parameter.
Rocznik
Tom
Strony
1081--1091
Opis fizyczny
Bibliogr. 13 poz., wykr.
Twórcy
autor
autor
- Department of Applied Mathematics Sri Venkateswara College of Engineering Pennalur, Sriperumbudur 602105, INDIA, msamy@svce.ac.in
Bibliografia
- Chambre P.L. and Young J.D. (1958): On the diffusion of a chemically reactive species in a laminar boundary layer flow. - The Physics of Fluids, vol.1, pp.48-54.
- Das U.N., Deka R.K. 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. - Forschung im Ingenieurwesen, vol.60, pp.284-287.
- Das U.N., Deka R.K. and Soundalgekar V.M. (1996): Radiation effects on flow past an impulsively started vertical infinite plate. - Journal of Theoretical Mechanics, vol.1, pp.111-115.
- Das U.N., Deka R.K. and Soundalgekar V.M. (1999): Effects of mass transfer on flow past an impulsively started infinite vertical plate with chemical reaction. - The Bulletin of GUMA, vol.5, pp.13-20.
- England W.G. and Emery A.F. (1969): Thermal radiation effects on the laminar free convection boundary layer of an absorbing gas. - Journal of Heat Transfer, vol.91, pp.37-44.
- Hossain M.A. and Takhar H.S. (1996): Radiation effect on mixed convection along a vertical plate with uniform surface temperature. - Heat and Mass Transfer, vol.31, pp.243-248.
- Muthucumaraswamy R. (2009): MHD effects on flow past an infinite oscillating vertical plate in the presence of an optically thin gray gas. - Journal of Engineering Annals of Faculty of Engineering Hunedoara, vol.7, pp.119-124.
- Muthucumaraswamy R. (2010): Chemical reaction effects on vertical oscillating plate with variable temperature. - Chemical Industry and Chemical Engineering Quarterly, vol.16, pp.167-173.
- Soundalgekar V.M., Gupta S.K. and Aranake R.N.(1979): Free convection currents on MHD Stokes problem for a vertical plate. - Nuclear Engg. Design, vol.51, pp.403-407.
- Soundalgekar V.M., Gupta S.K. and Birajdar N.S. (1979): Effects of mass transfer and free convection currents on MHD Stokes problem for a vertical plate. - Nuclear Engg. Design, vol.53, pp.339-346.
- Soundalgekar V.M. (1979): Free convection effects on the flow past a vertical oscillating plate. - Astrophysics Space Science, vol.64, pp.165-172.
- Soundalgekar V.M. and Akolkar S.P. (1983): Effects of free convection currents and mass transfer on the flow past a vertical oscillating plate. - Astrophysics Space Science, vol.89, pp.241-254.
- Soundalgekar V.M., Lahurikar R.M., Pohanerkar S.G. and Birajdar N.S.(1994): Effects of mass transfer on the flow past an oscillating infinite vertical plate with constant heat flux. - Thermophysics and AeroMechanics, vol.1, pp.119-124.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPZ5-0018-0011