Simultaneous effects of MWCNT and SiO2 on the rheological behavior of cooling oil and sensitivity analysis.

ABSTRACT: Many scholars are attracted to nano-lubricants due to their unique properties. In the present study, the rheological behavior of a new generation of lubricants has been investigated. SiO₂ nanoparticles with an average diameter of 20-30 nm along with MWCNT with an internal diameter of 3-5 nm and the external diameter of 5-15 nm has been dispersed in 10W40 engine oil as base-lubricant and MWCNTs-SiO2 (20%-80%)/10W40 hybrid nano-lubricant has been produced. Nano-lubricant behavior agrees with the Herschel-Bulkley model and is of Bingham pseudo-plastic type below 55°C . Also, in the temperature of 55°C , nano-lubricant behavior has changed to Bingham dilatant. The viscosity is increased by 32% in the proposed nano-lubricant compared to base lubricant (Dynamics Viscosity Enhancement)

SUBMITTER: Rejvani M 

PROVIDER: S-EPMC9922931 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature