Juniper Publishers | Recent Advances in Petrochemical Science

Effect of Injection Timing and Injector Opening Pressures on the Performance of Diesel Engine Fuelled with Ceiba Pentandra Oil Methyl Ester-Recent Advances in Petrochemical Science-Juniper Publishers


JUNIPER PUBLISHERS-RECENT ADVANCES IN PETROCHEMICAL SCIENCE 





EFFECT OF INJECTION TIMING AND INJECTOR OPENING PRESSURES ON THE PERFORMANCE OF DIESEL ENGINE FUELLED WITH CEIBA PENTANDRA OIL METHYL ESTER

Authored by Banapurmath NR

Experiments were carried out on a compression ignition (CI) engine to study its performance at different injection timings (IT), injector opening pressures (IOP) and nozzle holes. The Ceiba Pentandra oil methyl ester (CPOME) was selected to check its suitability as CI engine fuel. The engine was operated at 1500 rpm keeping hemispherical combustion chamber (HCC) shape and compression ratio of (CR) of 17.5. IT of 27 °C BTDC, IOP of 240 bar and injector of 5 holes yielded better performance.Maximum BTE for CPOME found to be 27.25, 27.6 and 28% respectively for 3, 4 and 5 holes injector at 80% load against 31.25% for diesel with 3 holes injector and 0.3 mm orifice size. Smoke, HC, NOx and CO emissions for CPOME powered diesel engine were found to be 46 HSU, 39 ppm,1088 ppm and 0.13% volume respectively for 5 holes injector at optimized conditions. ID, CD, PP and HRR were 9.8 °C A, 40 °C A, 73 bar and 81 J/ oCA respectively for 5 holes injector. Finally it could be concluded that CPOME powered engine operation with optimum engine operating parameters like IT of 27 °C BTDC, IP of 240 bar, and 5 holes injector showed overall better engine performance in terms of higher BTE with reduced emissions.

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