Journal
APPLIED SCIENCES-BASEL
Volume 9, Issue 13, Pages -Publisher
MDPI
DOI: 10.3390/app9132673
Keywords
enclosure; dusty fluids; heated fins; hybrid nanofluids; natural convection
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Funding
- King Khalid University [R.G.P1]
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In the current work, the natural convection of dusty hybrid nanofluids in an enclosure including two inclined heated fins has been studied via mathematical simulation. The inclined heated fins are arranged near to the enclosure center with variations on their orientations and lengths. The present simulation is represented by two systems of equations for the hybrid nanofluids that are dusty. The pressure distributions for the dusty phase and hybrid nanofluids phase are evaluated using a SIMPLE algorithm based on the finite volume method. The numerical results are examined using contours of the streamlines, isotherms for the hybrid nanofluids and velocity components for the dusty phase. In addition, the graphical illustrations for profiles of the local and average Nusselt numbers are presented. The main results reveal that an increase in the mixture densities ratio and dusty parameter reduces the rate of the heat transfer. Both the local and average Nusselt numbers are supported as the fins lengths increase regardless of the fins' rotation. In addition, the nanoparticles volume fraction enhances the thermal boundary layer near the top wall.
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