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Exergy analysis of ci engine for karanja biodiesel

Author: 
Deepak Kumar

Biodiesel is renewable energy resources that can be derive from numerous sources. In the current study, energy and exergy analysis of variable compression ratio (VCR) diesel engine for Biodiesel has been performed. The Biodiesel is prepared from karanja (Pongamia Pinnata) vegetable oil by two-step transesterification process. A comparative energy and exergy analysis of different blends (petroleum diesel with 0% karanja biodiesel (KB0), petroleum diesel with 10% karanja biodiesel (KB10), petroleum diesel with 20% karanja biodiesel (KB20), and petroleum diesel with 30% karanja biodiesel (KB30),) of biodiesel with petroleum diesel are also been studied on four stroke constant rpm CI diesel engine. Energy and exergy analysis include various calculation of net heat release rate, cumulative heat release rate, net energy destruction rate, first law efficiency, shaft input, available input, second law efficiency, cooling water and exhaust availability respectively. The energy and exergy balance sheet analysis has proof that KB30 blend of karanja biodiesel is most suitable than other karanja biodiesels for CI diesel engine. Due to greater, first law efficiency and second law efficiency KB30 was found to be the most suitable blend for utilization in CI engines.

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