An Investigation Into the Cooling Performance of Graphene and Copper Oxide Nanofluids in Electronic Devices

Abstract

The primary objective is to evaluate the effectiveness of graphene-based nanofluids as heat transfer fluids for electronic devices. For this investigation, graphene was prepared via the recycling of graphite from used batteries, adding a sustainable dimension to the material’s synthesis. The analysis focuses on the effects of the nanofluid’s volume fraction and the Reynolds number on the heat transfer rate. The results demonstrate that both nanofluids significantly improve convective heat transfer compared to the base fluid (water). A comparative analysis reveals that the graphene nanofluid provides superior cooling performance, particularly at low volume fractions, where it shows a 13% increase in heat transfer over the copper oxide-water nanofluid. This enhanced performance is attributed to graphene’s high thermal conductivity, which promotes more effective fluid flow and heat dissipation.