MHD slip flow of ethylene glycol and water mixture based Al2O3 nanofluids between micro-parallel plates

The rapid growth of MEMS (micro-electromechanical systems) has led to increasing importance of determining the momentum and heat transfer properties of fluids in micro-scale MHD flow. The aim of this study is to determine how to remove the heat generated during the operation of MEMS from the system and how to affect the heat transfer by dispersing ethylene glycol-water mixture based Al 2 O 3 nanoparticles at different particle volume concentrations in the presence of a magnetic field to minimize the heating in these devices. Calculations were made for 0 %, 4 % and 8 % nanoparticle volume ratios, 0, 0.02, 0.04 liquid layer thickness-nanoparticle radius ratios, 1 and 2 Hartman number values and 0:100, 50:50 and 100:0 ethylene glycol (EG)/water volume ratios. When the results are examined, the highest average Nu number values are achieved in 100:0 % EG/W used as the base fluid. Within the investigated ranges, 100:0 % EG/W provides maximum heat transfer rate improvement of approximately 0.54 % and 1.41 % over 0:100 % EG/W, respectively. Therefore, it was found that 100:0 % EG/W based Al 2 O 3 nanofluid can be used as a suitable alternative method to remove the heat generated by MEMS (micro-electromechanical systems) during operation and minimize the heating in these devices.