Nanoparticle shape effect on the natural convection heat transfer of hybrid nanofluid inside a U-shaped enclosure
2021
The effect of nanoparticle shape on the natural convection heat transfer of
Cu-Al2O3/water hybrid nanofluid inside a U-shaped enclosure is presented in
this paper. The governing equations are transformed into the dimensionless
form using dimensionless variables. A three-node triangular finite element
method is used with the Newton-Raphson method to solve the problem
numerically. The streamlines and isotherms as well as the local and average
Nusselt numbers are presented for the fluid flow with Rayleigh number of 104
to 106.It is found that blade nanoparticle shape produces the highest heat
transfer rate while sphere is the lowest.
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