Author(s): Virendra Singh Yadav, D. S. Rawat
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 4 - Issue. 10 , October - 2015
This work investigated the influence of compression ratio and ethanol-gasoline blending on the performance, emission of four stroke single cylinder SI (spark ignition) engine. In this investigation, water cooled and air cooled engine having compression ratio range 2.5:1 to 10:1 is used. Fuel blends E0, E10, E20, E30 and E40 is used in the study and engine operated at constant speed of 1500 rpm. Maximum power obtained for E40 fuel at compression ratio 8:1. Minimum fuel consumption rate obtained for E0 fuel at compression ratio 6:1, as compression ratio increases fuel consumption rate decreases slightly. In this study, minimum gas temperature obtained for E40 fuel at compression ratio 8:1, exhaust gas temperature firstly decreases as compression ratio increases and then increased to compression ratio 10:1. Emission of unburned hydrocarbons decreased while increasing compression ratio, minimum obtained at compression ratio 10:1 for E40 fuel. Emission of carbon monoxide also decreased when compression ratio increased.
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