Radiation Absorption and Variable Electrical Conductivity Effect on High Speed MHD Free Convective Flow past an Exponential Accelerated Inclined Plate
| Autor: | Lasker Ershad Ali, S. F. Ahmmed, Raju Roy, B. M. Jewel Rana |
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| Rok vydání: | 2017 |
| Předmět: |
Materials science
020209 energy 020208 electrical & electronic engineering Thermodynamics 02 engineering and technology Mechanics Nusselt number Sherwood number Momentum Flow velocity Thermal radiation 0202 electrical engineering electronic engineering information engineering Streamlines streaklines and pathlines Magnetohydrodynamics Dimensionless quantity |
| Zdroj: | World Journal of Mechanics. :211-241 |
| ISSN: | 2160-0503 2160-049X |
| Popis: | The effects of variable electrical conductivity and radiation absorption on high-speed MHD (Magnetohydrodynamics) free convective flow past an exponential accelerated inclined plate with higher order chemical reaction have been investigated. The electrical conductivity has been considered as a function of temperature. The chemical reaction has also been considered as the higher order. The usual transformations have been used to obtain the coupled dimensionless momentum, energy and concentration equations. Then the obtained non-dimensional partial differential equations have been solved numerically by explicit finite difference method. For excellent accuracy, stability and convergence test have been carried out. A computer program Compaq Visual FORTRAN 6.6a has been used to calculate the numerical results. The obtained numerical results concerned with the fluid velocity, temperature, concentration, concerned with skin friction, Nusselt number, Sherwood number, streamlines and isotherms are imprinted graphically by Tecplot and discussed in details. It is noticed that increasing of magnetic parameter increases the temperature and decreases the velocity, skin friction and Nusselt number. It is also observed that the temperature profile is increasing with the increasing values of Dufour number. However, the order of the chemical reaction increases the concentration profile. |
| Databáze: | OpenAIRE |
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