scholarly journals Radiation effects on free-convection flow past an impulsively started vertical plate in a rotating fluid

2010 ◽  
Vol 37 (2) ◽  
pp. 79-95 ◽  
Author(s):  
A.R. Vijayalakshmi
Keyword(s):  
Free Convection ◽  
Radiation Effects ◽  
Vertical Plate ◽  
Theoretical Study ◽  
Convection Flow ◽  
Rotating Fluid ◽  
Complex Velocity ◽  
Free Convection Flow ◽  
Free Convective Flow ◽  
Effects Of Rotation

Theoretical study of thermal radiation effects on unsteady free convective flow over a moving vertical plate in a rotating fluid is considered. An exact solution is obtained for the axial and transverse components of the velocity by defining a complex velocity. The effects of rotation, radiation, free-convection parameters and the skin friction components on the plate are discussed.

scholarly journals Finite difference solution of radiation effects on MHD unsteady free-convection flow over vertical plate with variable surface temperature

2003 ◽  
Vol 2003 (2) ◽  
pp. 65-86 ◽  
Author(s):  
M. A. Abd El-Naby ◽  
Elsayed M. E. Elbarbary ◽  
Nader Y. Abdelazem
Keyword(s):  
Finite Difference ◽  
Free Convection ◽  
Radiation Effects ◽  
Vertical Plate ◽  
Convection Flow ◽  
Temperature Profiles ◽  
Radiation Parameter ◽  
Free Convection Flow ◽  
Variable Surface ◽  
Variable Surface Temperature

An analysis is performed to study radiation effects on magnetohydrodynamic (MHD) unsteady free-convection flow past a semi-infinite vertical plate with variable surface temperature in the presence of transversal uniform magnetic field. The boundary layer equations are transformed into a linear algebraic system by an implicit finite-difference method. A parametric study is performed to illustrate the influence of radiation parameter, magnetic parameter, and Prandtl number on the velocity and temperature profiles. The numerical results reveal that the radiation has significant influences on the velocity and temperature profiles, skin friction, and Nusselt number. The results indicate that the velocity, temperature, and local and average skin friction increase as the radiation parameter increases, while the local and average Nusselt numbers decrease as the radiation parameter increases.

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