An Assessment of the Environmental and Operational Benefits of Diesel-Biodiesel-Nano Additive Blends in Heavy-duty Diesel Engines
J. Environ. Nanotechnol., Volume 13, No 4 (2024) pp. 377-385
Abstract
As an alternative fuel with low fossil fuel dependency, biodiesel positively impacts the environment. Experimental tests were performed to determine the effect of diesel-biodiesel blends on Cummins diesel engines. Diesel blended with biodiesel in three variations (DB5, DB7.5, and DB10) tested at 11 rotational speeds (1000 to 2000 rpm) and four different load levels (9.4, 18.8, 28.2, and 37.5 kPa). A constant 30ppm of CeO2 is added to all diesel-biodiesel blends. Various parameters were measured and analyzed, including effective power, specific fuel consumption, effective performance, and CO emissions. According to the results, biodiesel content in blends increased specific fuel consumption and reduced effective performance. The Effective power of an engine increases by 50% at 10 kPa and by 37.5% at 35 kPa when engine speed is increased. For DB5, performance is maximum at 1000 rpm about 34%, while at 2000 rpm, performance is minimum about 26%. Carbon monoxide (CO) emissions decreased with rising biodiesel ratio emissions among blends. As a result of this study, more insight is gained into the effect of diesel-biodiesel blends on exhaust emissions and engine performance.
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