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Ahmed Kadhim Hussein,Hameed Kadhem Hamzah,Farooq Hassan Ali,Masoud Afrand 한국화학공학회 2022 Korean Journal of Chemical Engineering Vol.39 No.4
Natural convection in an F-shaped cavity containing Ag-water non-Newtonian nanofluid (NF) saturatedwith a porous medium was investigated numerically. The left wall of the cavity was maintained at a constant hot temperatureand subjected to a horizontal periodic magnetic field. The right wall was maintained at a constant cold temperature. Both the top and bottom walls of the cavity were kept thermally insulated. In the present work, the Hartmannnumber varied as (0Ha60), the power law index varied as (0.6n1.4), the periodic shape parameter varied as(0.11), the Rayleigh number varied as (103Ra106), the aspect ratio of the cavity varied as (0.1AR0.4), theDarcy number varied as (105Da101) and the solid volume fraction varied as (0 0.06). It was found that theaverage Nusselt number (Nu) increases by increasing the (, Da and Ra), whereas it decreases when (n) and (Ha)increase. Furthermore, it was realized that the relationship between the (Nu) and () exhibits a different behaviordepending on the considered values of (Ra) and (n).