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    STUDIA ENGINEERING - Ediţia nr.1 din 2020  
         
  Articol:   HEAT ABSORPTION AND HALL CURRENT EFFECTS ON UNSTEADY MHD FLOW PAST AN INCLINED PLATE.

Autori:  GAURAV KUMAR, S.M.K. RIZVI, AMRESH KUMAR.
 
       
         
  Rezumat:  

DOI: 10.24193/subbeng.2020.1.9

Published Online: 2020-11-23
pp. 79-95

PDF


FULL PDF: VOL.65, No.1, 2020

In the present paper, we study the effect of heat absorption on unsteady flow of a viscous, incompressible, electrically conducting fluid past an impulsively started inclined plate with variable wall temperature and mass diffusion in the presence of transversely applied uniform magnetic field and Hall current. Earlier we analyzed the effects of radiation and chemical reaction on MHD flow past a vertical plate with variable temperature and mass diffusion. We had obtained the results which were in agreement with the desired flow phenomenon. To study further, we are changing the model by considering heat absorption on fluid, and changing the geometry of the model. Here in this paper we are considering the plate positioned inclined from vertically plane and impulsively started with velocity u0. The temperature of plate and the concentration level near the plate is increase linearly with time. The governing equations involved in the present analysis are solved by the Laplace-transform technique. The results obtained have been analyzed with the help of graphs drawn for different parameters like thermal Grashof number, mass Grashof Number, Prandtl number, permeability parameter, Hall current parameter, heat absorption parameter, magnetic field parameter and Schmidt number. The numerical values obtained for skin-friction and Nusselt number have been tabulated. The results are found to be in a good agreement and the data obtained is in concurrence with the actual MHD fluid flow phenomenon.

Keywords: MHD flow, heat absorption, inclined plate, variable temperature, mass diffusion, Hall current.
 
         
     
         
         
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