Browse Publications Technical Papers 2013-26-0012
2013-01-09

Characteristics of Biogas Operated Automotive SI Engine to Reduce Exhaust Emission for Green Development 2013-26-0012

Biogas is one of the most promising alternatives fuel for the future. Biogas, when used in automotive field, will help to bring down harmful emissions. However, some technical improvements are still needed, especially in the Indian automotive sector. In this research work 100% biogas operated two wheeler four stroke SI engine has been tested for exhaust gas emissions. The result shows the lower emissions than the existing petrol engine limits without exhaust gas after treatment. The current work clearly indicates the breakdown of compression ratio barrier and it is shown that the engine runs smoothly at compression ratio of 11:1 without any tendency of auto-ignition. Experiments were conducted by varying compression ratios from 9:1 to 11:1 and retaining the combustion chamber design. This study shows that using biogas in SI engines, it is particularly beneficial to reach interesting conversion efficiencies with low emissions. It allows a significant boost in energy conversion from biogas compared to existing systems.

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