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Journal:   JOURNAL OF APPLIED FLUID MECHANICS (JAFM)   2016 , Volume 9 , Number 5; Page(s) 2379 To 2389.
 
Paper: 

Effect Of Hall Current On The Onset Of Mhd Convection In A Porous Medium Layer Saturated By A Nanofluid
 
 
Author(s):  Yadav D., Mohamed R.A., Hee Cho H., Lee J.*
 
* SCHOOL OF MECHANICAL ENGINEERING, YONSEI UNIVERSITY, SEOUL 120 749, SOUTH KOREA
 
Abstract: 
In this study, the effect of Hall current on the criterion for the onset of MHD convection in a porous medium layer saturated by a nanofluid is investigated. The model used for nanofluid combines the effect of Brownian motion and thermophoresis, while for a porous medium Brinkman model is used. A physically more realistic boundary condition than the previous ones on the nanoparticle volume fraction is considered i.e. the nanoparticle flux is assumed to be zero rather than prescribing the nanoparticle volume fraction on the boundaries. Using linear stability theory, the exact analytical expression for critical Rayleigh Darcy number is obtained in terms of various non-dimensional parameters. Results indicate that the magnetic field, Hall current, porous medium and nanoparticles significantly influence the stability characteristics of the system.The increase in the Hall current parameter, the Lewis number, the modified diffusivity ratio and the concentration Rayleigh Darcy number is to hasten the onset of convection while the magnetic Darcy number, the porosity parameter and the Darcy number has stabilized on the onset of convection.
 
Keyword(s): HALL CURRENT, THERMAL INSTABILITY, POROUS MEDIUM, NANOFLUID, BROWNIAN MOTION, THERMOPHORESIS
 
 
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APA: Copy

YADAV, D., & MOHAMED, R., & HEE CHO, H., & LEE, J. (2016). EFFECT OF HALL CURRENT ON THE ONSET OF MHD CONVECTION IN A POROUS MEDIUM LAYER SATURATED BY A NANOFLUID. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), 9(5), 2379-2389. https://www.sid.ir/en/journal/ViewPaper.aspx?id=571614



Vancouver: Copy

YADAV D., MOHAMED R.A., HEE CHO H., LEE J.. EFFECT OF HALL CURRENT ON THE ONSET OF MHD CONVECTION IN A POROUS MEDIUM LAYER SATURATED BY A NANOFLUID. JOURNAL OF APPLIED FLUID MECHANICS (JAFM). 2016 [cited 2022May26];9(5):2379-2389. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=571614



IEEE: Copy

YADAV, D., MOHAMED, R., HEE CHO, H., LEE, J., 2016. EFFECT OF HALL CURRENT ON THE ONSET OF MHD CONVECTION IN A POROUS MEDIUM LAYER SATURATED BY A NANOFLUID. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), [online] 9(5), pp.2379-2389. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=571614.
 
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