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Performance and Emission Characteristics of CI Engine by Varying Injection Pressure & Timing Using Rice Bran Oil Biodiesel Blends

Journal: International Research Journal of Advanced Engineering and Science (IRJAES) (Vol.2, No. 2)

Publication Date:

Authors : ; ; ;

Page : 286-289

Keywords : Rice bran oil; transesterification; bio-diesel; CI engine; emission characteristics.;

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Abstract

Global interest in increasing the usage of alternative fuels in internal combustion engines continues to be strong due to environmental concerns and the limited availability of conventional fossil fuel in future. Latest interest has focused on the use of bio-derived fuels in diesel engines. Vegetable oils and their derivatives are alternative diesel fuels and rice bran oil is one of the most important oil in terms of availability. Keeping this in mind a research work has been carried out to investigate the effect of injection timing and injection pressure on a diesel engine with rice bran vegetable oil. In the present research, the effect of injection timing and injection pressure on performance and emission parameters of a direct injection diesel engine fueled with preheated rice bran vegetable oil is investigated. The injection timing is varied from 23° to 21° Crank Anglebefore Top Dead Centre (CA bTDC) and injection pressure is varied from 200 bar to 210 bar. The tests are carried out in all combinations of injection timing and injection pressure at full load using preheated rice bran oil as fuel and combustion, performance and emission parameters are measured. The values of combustion, performance, and emission parameters are favorable at 21°CA bTDC of injection timing and 210 bar of injection pressure except for NOX. The NOX is found higher at 21°CA bTDC of injection timing and 210 bar of injection pressure which is not desired. Except NOX, all the other parameters are found to be promising at 21°CA bTDC of injection timing and 210 bar of injection pressure.

Last modified: 2017-06-23 11:48:28