Journal
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
Volume 46, Issue 3, Pages 2701-2710Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s13369-020-05195-x
Keywords
Hybrid nanofluid; Magnesium oxide; Gold; Nodal; saddle points; Slip flow
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The study numerically analyzes the convective heat transfer characteristics of a hybrid nanofluid mixture containing magnesium oxide and gold nanoparticles, showing a significant improvement in the thermal behavior of the base fluid, especially in the nodal and saddle point areas where slip effects have a notable impact on heat transfer rate.
In this analysis, convective heat transfer characteristics of a hybrid nanofluid mixture containing magnesium oxide (MgO) and gold (Au) nanoparticles are numerically studied. The impact of slip effects on nodal/saddle stagnation point boundary layer flow with viscous dissipation effect is mathematically modeled. The behavior of nanofluids is studied by employing Tiwari-Das nanofluid model. Pure water is the base fluid in this analysis. The governing partial differential equations with many independent variables are reduced to ordinary differential equations with one independent variable and then numerically solved by the Runge-Kutta-Fehlberg method with the desired accuracy. The outputs showed that MgO-Au/water hybrid nanofluid sharply raises the base fluid's thermal behavior. Results reveal that in the nodal and saddle point areas, the impact of higher slip effects significantly increases the local heat transfer rate.
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