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1
Content available Radiation effects on MHD flow past an impulsively started infinite vertical plate with mass diffusion
Chandrakala P., Narayana Bhaskar P.
International Journal of Applied Mechanics and Engineering
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2014
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Vol. 19, no. 1
17--26
EN
The effects of thermal radiation on a flow past an impulsively started infinite vertical plate in the presence of a magnetic field have been studied. The fluid considered is a gray, absorbing-emitting radiation but non-scattering medium. The dimensionless governing equations are solved by an efficient, more accurate, unconditionally stable and fast converging implicit scheme. The effects of velocity and temperature for different parameters such as the thermal radiation, magnetic field, Schmidt number, thermal Grashof number and mass Grashof number are studied. It is observed that the velocity decreases in the presence of thermal radiation or a magnetic field.
2
Content available Chemical reaction effects on MHD flow past an impulsively started isothermal vertical plate with uniform mass diffusion
Chandrakala P., Narayana Bhaskar P.
International Journal of Applied Mechanics and Engineering
|
2014
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Vol. 19, no. 2
419--426
EN
A numerical technique is employed to derive a solution to the transient natural convection flow of an incompressible viscous fluid past an impulsively started infinite isothermal vertical plate with uniform mass diffusion in the presence of a magnetic field and homogeneous chemical reaction of first order. The governing equations are solved using implicit finite-difference method. The effects of velocity, temperature and concentration for different parameters such as the magnetic field parameter, chemical reaction parameter, Prandtl number, Schmidt number, thermal Grashof number and mass Grashof number are studied. It is observed that the fluid velocity decreases with increasing the chemical reaction parameter and the magnetic field parameter.
3
Content available Radiation effects on oscillating vertical plate with uniform heat and mass flux
Chandrakala P., Narayana Bhaskar P.
International Journal of Applied Mechanics and Engineering
|
2013
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Vol. 18, no. 3
643--652
EN
Thermal radiation effects on flow past an impulsively started infinite vertical oscillating plate with uniform heat and mass flux is studied. The fluid considered here is a gray, absorbing-emitting radiation but a nonscattering medium. The dimensionless governing equations are solved using the Laplace-transform technique. The velocity, temperature and concentration are studied for different physical parameters such as the radiation parameter, phase angle, Schmidt number and time. The variation of the skin-friction for different values of the parameters is also shown in a table.
4
Content available Effects of chemical reaction on MHD flow past an impulsively started infinite vertical plate with uniform heat and mass flux
Chandrakala P.
International Journal of Applied Mechanics and Engineering
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2013
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Vol. 18, no. 2
329--339
EN
Finite difference solutions of the unsteady MHD flow past an impulsively started infinite vertical plate with uniform heat and mass flux are presented here, taking into account the homogeneous chemical reaction of first order. The dimensionless governing equations are solved by an efficient, more accurate, unconditionally stable and fast converging implicit scheme. The effects of velocity, temperature and concentration for different parameters such as chemical reaction parameter, Schmidt number, Prandtl number, thermal Grashof number, mass Grashof number and time are studied. It is observed that due to the presence of a first order chemical reaction, the velocity increases during the generative reaction and decreases in the destructive reaction. It is observed that the velocity decreases in the presence of the magnetic field, as compared to its absence.
5
Content available remote Radiation effects on MHD flow past a vertical oscillating plate with variable temperature
Chandrakala P.
International Journal of Applied Mechanics and Engineering
|
2010
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Vol. 15, no 4
1009-1016
EN
Thermal radiation effects on an MHD flow past an infinite vertical oscillating plate in the presence of variable temperature is considered. The temperature near the plate is made to rise linearly with time. The fluid considered is a gray, absorbing-emitting radiation but a non-scattering medium. The dimensionless governing equations are solved using the Laplace-transform technique. The velocity and temperature are studied for different parameters like magnetic field parameter, radiation parameter, phase angle and time. The variation of the skin-friction for different values of the parameters is also shown in a table.
6
Content available remote Thermal radiation effects on MHD flow past a vertical oscillating plate
Chandrakala P., Bhaskar P. N.
International Journal of Applied Mechanics and Engineering
|
2009
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Vol. 14, no 2
349-358
EN
The free convection MHD flow of a viscous incompressible fluid past an infinite vertical oscillating plate in the presence of thermal radiation is studied here. The fluid considered is a gray, absorbing-emitting radiation but a non-scattering medium. An exact solution to the governing equations is obtained by the Laplace-transform technique. The effects of the magnetic field parameter, radiation parameter, Grashof number, Prandtl number, phase angle and time on velocity and temperature fields are shown graphically and discussed. The variation of the skin-friction for different values of the parameters is also shown in a table.
7
Content available remote Radiation effects on unsteady MHD flow past an impulsively started semi-infinite vertical plate with mass diffusion
Muthucumaraswamy R., Chandrakala P.
International Journal of Applied Mechanics and Engineering
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2007
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Vol. 12, no 4
1073-1091
EN
The effects of thermal radiation on tlow past an impulsively started semi-infinite vertical plate in the presence of magnetic field have been studied. The fluid considered is a gray, absorbing-emitting radiation but nonscattering medium. The dimensionless governing equations are solved by an efficient, more accurate, unconditionaIly stable and fast converging implicit scheme. The effects of velocity and temperature for different parameters like thermal radiation, magnetic field, Schmidt number, thermal Grashof number and mass Grashof number are studied. It is observed that the velocity decreases in the presence of thermal radiation or magnetic field.
8
Content available remote Radiative heat and mass transfer effects on moving isothermal vertical plate in the presence of chemical reaction
Muthucumaraswamy R., Chandrakala P., Antony Raj S.
International Journal of Applied Mechanics and Engineering
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2006
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Vol. 11, no 3
639-646
EN
The effect of thermal radiation on the unsteady free convective flow over a moving vertical plate with mass transfer in the presence of homogeneous first order chemical reaction is considered. The fluid considered is a gray, absorbing-emitting radiation but a non-scattering medium. The plate temperature is raised to and the concentration level near the plate is also raised to . The dimensionless governing equations are solved using the Laplace transform technique. The velocity and skin-friction are studied for different parameters like the radiation parameter, chemical reaction parameter, Schmidt number, thermal Grashof number, mass Grashof number and time. It is observed that the velocity increases with decreasing radiation parameter or chemical reaction parameter.
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