Abstract
Many attempts to use vegetable oils as fuel have been performed since the early days of the Diesel engine. When a Diesel engine is used with vegetable oil fuel for a short period of time, the performance and global efficiency are usually very close to Diesel fuel. However, during long-term engine tests with vegetable oils as fuel, heavy deposits build-up can be observed in the combustion chamber. These deposits can lead to engine breaks. A fuel droplet vaporization experiment proved that the deposits build-up is mainly controlled by the combustion chamber temperature. A new thermally insulated combustion chamber made it possible to raise the combustion chamber wall temperature. With this combustion chamber, the deposits were greatly reduced. To use vegetable oils as fuel, DI Diesel engines need to be redesigned to accommodate the specificity of the vegetable oils combustion, one possibility is to use a thermally insulated combustion chamber. This paper is related with performance analysis of Compression Ignition Engine using sunflower oil for different engine load from 1 kg to 10 kg and different portmanteau ratios like Portmanteau:1000, Portmanteau:7525, Portmanteau:5050, Portmanteau: 2575, and Portmanteau:0010. With the injection of above Portmanteau in different portmanteau ratio and at different load we found the exhaust emission in terms of CO emission, HC emission, Exhaust gas temperature and smoke density and performance analysis of the bio-fuel.
Published Version
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