scholarly journals Electroosmotic natural convection flow in a vertical microchannel with asymmetric heat fluxes

2020 ◽  
Vol 2 (10) ◽  
Author(s):  
Michael O. Oni ◽  
Basant K. Jha
Keyword(s):  
Natural Convection ◽  
Heat Fluxes ◽  
Convection Flow ◽  
Natural Convection Flow ◽  
Vertical Microchannel

scholarly journals Hall effects on MHD natural convection flow in a vertical microchannel

2018 ◽  
Vol 57 (2) ◽  
pp. 983-993 ◽  
Author(s):  
Basant Kumar Jha ◽  
Peter Bukar Malgwi ◽  
Babatunde Aina
Keyword(s):  
Natural Convection ◽  
Convection Flow ◽  
Natural Convection Flow ◽  
Hall Effects ◽  
Vertical Microchannel

scholarly journals Numerical Study of Thermophoresis on Mass Transfer from Natural Convection Flow over a Vertical Porous Medium with Variable Wall Heat Fluxes

2021 ◽  
Vol 11 (21) ◽  
pp. 10418
Author(s):  
Jian-Sheng Huang
Keyword(s):  
Mass Transfer ◽  
Porous Medium ◽  
Natural Convection ◽  
Numerical Solutions ◽  
Gas Diffusion ◽  
Heat Fluxes ◽  
Convection Flow ◽  
Natural Convection Flow ◽  
Variable Wall ◽  
Buoyancy Ratio

This study investigates heat and mass transfer under natural convection flow along a vertical permeable surface with variable wall heat fluxes through a porous medium. The non-Darcian model is employed for the medium. The effects of suction/blowing, inertia, buoyancy ratio, exponent of heat flux, position parameter, Schmidt number, and thermophoresis are considered. The governing equations of continuity, momentum, energy, and concentration are solved by adopting similarity transformation and Runge–Kutta integration with a shooting technique. Results of interest, such as velocity, temperature, and concentration profiles related to local Nusselt and Sherwood numbers, are obtained for the selected buoyancy ratio at different magnitudes of the thermophoretic effect. The numerical solutions help us to realize the gas diffusion phenomena and control the transport technology.

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