Performance Characteristics of Four Stroke Single Cylinder Diesel Engine With 10% Iso Butanol at Different Injection Pressures
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 1
Abstract
ABSTRACT: Biodiesel with additives is attracting increased attention for performance and emission improvement of diesel engines. Higher fuel injection pressure is an effective way to improve the performance and reduce Particulate Matter (PM) emissions. In this present work, Isobutanol as an additive to the diesel and biodiesel blends was investigated experimentally in a direct injection diesel engine to evaluate performance, combustion and emissions at different injection pressures such as 200,225,250 and 275 bars respectively. Isobutanol was added as 10% by volume to diesel-biodiesel blends. From experimental results it was found that injection pressure could be increased up to 250 bar when the engine operates with biodiesel-diesel blends with isobutanol as an additive. At this increased pressure, brake thermal efficiency and fuel economy were improved with increasing blend percentage. Carbon Monoxide (CO) emissions and smoke opacity were reduced significantly while Nitrogen Oxides (NOx) emissions increased marginally.
Authors and Affiliations
K. keerthi,
Keywords
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