Exhaust Emission Characteristics of Diesel Engine Operating on Biodiesel and its Blends at Elevated Temperature of Air
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 10
Abstract
In this study, performance and exhaust emission characteristics of Pongamia Pinnata oil blends (B10,B20,B30 and B50) with mineral diesel were investigated in preheated intake air conditions in a single cylinder 4-Stroke direct injection CI engine at 75 % maximum load and its rated engine speed 1500 rpm. Two types of heat exchanger designed to preheat the suction air and the heating is accomplished by both engine cooling water and exhaust gases. Two types of heat exchanger includes concentric tube counter flow heat exchanger (to recover heat from engine exhaust gases) and shell and tube heat exchanger (to recover heat from engine jacket cooling water) is mounted along intake manifold to preheat the suction air. Test is carried out at atmospheric air temperature (30oC), preheated air temperature of 45oC,60oC and75oC.Exhaust emission characteristics such as Carbon Dioxide(CO2),Carbon monoxide(CO),Unburned Hydrocarbon (HC) and Nitrogen Oxide(NO). Experimental investigation revealed that except Nitrogen Oxide (NO) emission and other exhaust emission parameters such as CO2,CO and HC are decreased with mineral diesel and among other biodiesel blends a drastic reduction in exhaust emission is observed for Biodiesel blend ratio B20 for all preheated air temperature .However the Nitrogen Oxide (NO) emission increases with increase in biodiesel mixtures for all preheated air temperature
Authors and Affiliations
K. Sureshkumar
Keywords
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