Abstract
Thermal enhancement and irreversible phenomena in colloidal suspension (Al2O3-H2O) is a potential topic of interest from the aspects of industrial, mechanical and thermal engineering; heat exchangers; coolant car radiators; and bio-medical, chemical and civil engineering. In the light of these applications, a colloidal analysis of Al2O3-H2O was made. Therefore, a colloidal model is considered and treated numerically. The significant influences of multiple parameters on thermal enhancement, entropy generation and Bejan parameter are examined. From the presented colloidal model, it is explored that Al2O3-H2O is better for the applications of mechanical and applied thermal engineering. Moreover, fraction factor tiny particles are significant parameters which enhanced the thermal capability of the Al2O3-H2O suspension.
Highlights
The heat-transfer inspection in nanofluids gained much interest from the researchers, engineers, industrialist and scientists
The impacts of fraction factor of the tiny particles of Al2 O3 are discussed, and we found fascinating alterations in the effective characteristics like density, heat capacitance and thermal conductivity of the nanofluid
When the lower disk is stretched, the fluid particles of Al2 O3 -H2 O adjacent to the disk surface drag and stretching of the disk provides the extra momentum to the molecules the momentum rises, leading to abrupt changes in the velocity, F
Summary
The heat-transfer inspection in nanofluids gained much interest from the researchers, engineers, industrialist and scientists. The solutal flow of nanofluid squeezed between two parallel disks in porous media is examined in [15] They considered the phenomena of imposed magnetic field, momentum slip and thermal jump flow conditions in the model and detected the improvement in the nanofluid heat transfer characteristics. The influences of momentum slip on the nanofluid velocity between parallel disks is examined in [16] They adopted numerical way for the problem treatment and reported the results for the flow regimes and heat-transfer rate, as well. Ahmed et al [18] detected the velocity, temperature and heat transfer-behavior in nanofluids squeezed between parallel disks They reported the results for different nanoparticle-based nanofluids and found an improved heat-transfer rate.
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