Performance and Emission characteristics of single cylinder CRDI engine operating on cardanol oil and diesel fuel.

Mechanical Engineering

Biodiesel is a fatty acid alkyl ester which is renewable, biodegradable and non toxic fuel which can be derived from any vegetable oil by Transesterification process. Biodiesel has become more attractive recently because of its environmental benefits and the facts that it is made from renewable resources. India imports more than seventy percent of the oil it uses and is looking for alternative fuel to reduce its dependence on imports. In India, bio fuels derived from non-edible oils is considered as a renewable alternative to the fossil diesel. The cost of the biodiesel is higher than diesel and hence in this work, cardanol was used as an alternative renewable fuel for the diesel engine. The compression ignition engine is the most popularly used prime mover. The compression ignition (CI) engine moves a large portion of the world’s goods & generates electricity more economically than any other device. The application of bio diesel as a substitute for conventional petroleum fuel in diesel engine gain ever increasing demand throughout the world wide. In this research work the detailed investigation on performance and emission characteristics of four stroke single cylinder CRDI engine with variable loads(0,2.5,5,7.5,10KG) at different injection pressure(300,400,500 bar) operating with cardnol bio-fuel of volumetric blends like 10%,& 20% were studied. From the engine tests, it is observed that the brake power increases as load increases. Brake specific energy conversion decreases with increase in brake power. Brake thermal efficiency increases with higher brake power and emission levels (HC, CO, NOX) were nominal up to 20% blends.

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