Abstract
MWCNT + Fe3O4 - water hybrid nanofluid’s heat transfer due to convection through a pipe was studied numerically and presented in this paper. Using the ANSYS FLUENT 22 software, the single phase energy equation of second order, momentum equation, and mass equation are all solved. The diameter of the pipe was 4mm and lthe lengthwas 800mm. Water which was considered the base fluid was used with different volume fractions (0% to t%) of MWCNT + Fe3O4 nanoparticles for a wide variety of Reynolds number (300 to 1000) at a steady heat flux of 2000 W/m2 at the wall of the tubes. The result demonstrates that for both MWCNT + Fe3O4 -H2O nanofluid and water, increasing Reynolds number increases the Surface Nusselt number, skin friction coefficient and also the pressure loss in the evolved region.
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