Abstract
The demand for automotive lubricant increasing and consequences in dumping of lubrication oil leads towards the bio lubricants. The present study analyzes rheological properties of Thumba oil to have sustainable lubricant to electric vehicle. The oil samples are tested in plain and with MWCNT and Cerium oxide (CeO2) nanoparticles. It was observed MWCNT and CeO2 made 11% and 9% improvement in viscosity at lower shear rate respectively, however no significant change was observed at higher shear rate. Shear thinning nature of thumba oil biolubricant reduce with the dispersion of nanoparticles and hence contributed in enhancement of lubrication behaviour
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