Environmental degradation and depleting oil reserves are matters of concern round the globe. The search for energy independence and concern for cleaner environment have generated significant interest in biodiesel. It has shown that biodiesel fuelled engine produce less carbon monoxide, unburnt hydrocarbon and smoke emission compared to diesel fuel but higher NOx emission. EGR is as effective technique to reduce NOx from diesel engine as it lowers flame temperature and reduce oxygen concentration in combustion chamber. The objective of this research is to investigate the usage of biodiesel and EGR simultaneously in order to reduce the emissions of all regulated pollutants from diesel engine. For this a single cylinder, air cooled, constant speed direct injection diesel engine was used and EGR was developed and fitted in engine. Various emissions such as HC, NOx, CO and smoke opacity were measured. The engine performance parameters were calculated from measured data.
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[v1] 2012-08-19 07:22:34
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