Abstract
Abstract In this study, the performance and emissions of a compression combustion diesel engine were investigated. The net diesel and the blends of diesel with waste cooking oil (WCO) biodiesel (5 and 20%) were considered as control fuel and were blended with graphene oxide nanoparticles (GONPs) (30, 60, and 90 ppm) and were evaluated. The engine was operated at full load at 1,500 rpm and the brake power (BP), brake thermal efficiency (BTE), and brake specific fuel consumption (BSFC) besides CO, CO2, and NO x emissions appraised in the two sections of engine performance and emission, respectively, were evaluated. According to the results in the D95B5G90 fuel blend, GONPs had a positive effect on BP. BTE also showed a significant improvement in D95B5G60. GONPs increase NO x and CO2 emissions and decrease CO emissions. Overall, it can be concluded that GONPs can be introduced as a suitable alternative additive for diesel and WCOs biodiesel fuel blends.
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