EXPERIMENTAL ANALYSIS OF EMISSION CHARACTERISTICS USING CNSL BIODIESEL IN DUAL FUEL MODES. NALLUSAMYAbstract Todays viable emission control technologies survive to reduce diesel exhaust emissions from new engines and vehicles, as well as in use engines. Nowadays, the dual fuel concept of mixing two bio fuels with the diesel for reducing the emission and increasing the performance. In this research, a dual fuel of cashew nut shell liquid diesel blended with the proportion of 20% of biodiesel (B20) is used. Different parameters where analysed to test the emission characteristics by using of the blended fuels which may improve the engine performance. The analysis revealed that the biodiesel of B20 gives good emission reduction of Carbon Monoxide (CO), Hydrocarbon (HC), Nitrogen Oxides (NOx), Carbon Dioxide (CO2) and Oxygen (O2). This work analysed the possibility of Cashew Nut Shell Liquid (CNSL) to be an alternative fuel for diesel engine in dual fuel mode. The effect of emissions and performance of various blends CNSL and diesel have been carried out in the presence of ethanol and isobutanol additives using dual fuel techniques and exposed that CNSL can be used as alternate fuel for single cylinder diesel engine. Also 20% of CNSL biodiesel with 10% of ethanol as additive can be effectively used in diesel engines without any alterations.
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