Mixed convection in a chamber saturated with MWCNT-Fe3O4/water hybrid nanofluid under the upper wall velocity modulation

2021 ◽  
Vol 136 (2) ◽  
Author(s):  
Mikhail A. Sheremet ◽  
Ioan Pop
Keyword(s):  
Mixed Convection ◽  
Hybrid Nanofluid ◽  
Wall Velocity ◽  
Velocity Modulation

scholarly journals MHD mixed convection of localized heat source/sink in an Al2O3-Cu/water hybrid nanofluid in L-shaped cavity

2021 ◽  
Vol 60 (3) ◽  
pp. 2947-2962
Author(s):  
T. Armaghani ◽  
M.S. Sadeghi ◽  
A.M. Rashad ◽  
M.A. Mansour ◽  
Ali J. Chamkha ◽  
...  
Keyword(s):  
Heat Source ◽  
Mixed Convection ◽  
Hybrid Nanofluid ◽  
Source Sink

scholarly journals Entropy generation of a hybrid nanofluid on MHD mixed convection is a lid-driven cavity with partial heating having two rounded corners

2021 ◽  
Vol 321 ◽  
pp. 02004
Author(s):  
Zakaria Korei ◽  
Smail Benissaad
Keyword(s):  
Thermal Conductivity ◽  
Reynolds Number ◽  
Mixed Convection ◽  
Entropy Generation ◽  
Volume Fraction ◽  
Object Oriented ◽  
Reynolds Numbers ◽  
Hybrid Nanofluid ◽  
Driven Cavity ◽  
Partial Heating

This research aims to investigate thermal and flow behaviors and entropy generation of magnetohydrodynamic Al2O3-Cu/water hybrid nanofluid in a lid-driven cavity having two rounded corners. A solver based on C ++ object-oriented language was developed where the finite volume was used. Parameter’s analysis is provided by varying Reynolds numbers (Re), Hartmann numbers (Ha), the volume fraction of hybrid nanofluid (ϕ), radii of the rounded corners. The findings show that reducing the radii of the rounded corners minimizes the irreversibility. Furthermore, the thermal conductivity and dynamic viscosity of hybrid nanofluid contribute to increasing the irreversibility. Finally, the entropy generation is decreased by increasing the Hartman number and increases by rising the Reynolds number.

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