Abstract
The influence of hybrid nano-fluid on heat transport in a semi-annular channel is investigated numerically. The hybrid nano-fluid is a liquid water with suspension of SWCNT and MWCNT. Constant heat fluxes are applied to the walls of channel. The finite volume approach is used to solve the governing mathematical equations. The volume percent of SWCNT is fixed at 0.01% and the volume fraction of MWCNT is varied from 0.01% to 0.1%. Heat transport is shown to diminish as the volume fraction of MWCNT increases. The heat transferred from the wall to the near fluid is influenced by the curvature of the walls. The results are displayed as velocity contours and isotherms. For certain volume fractions of nanoparticles, local Nusselt number distributions are given. It has been discovered that walls with a smaller curvature have a stronger convection heat transfer. Pressure is increased when the volume percentage of nanoparticles increases.
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