Influence of Injection Timing and Injector Opening Pressure on Combustion Performance and P-θ Characteristics of a CI Engine Operating on Jatropha B20 Fuel

The quest for alternatefuels for a CI engine has become all the more imperative considering its importance in the economy of a nation and from the standpoint of preserving the environment. Reported in this paper are the combustion performance and P-θ characteristics of a CI engine operating on B20 biodiesel fuel derived from Jatropha oil.Itis observed that the twin effect of advancing the injection timing and increasing the injector opening pressure (IOP) up to 220 barhas resulted in minimum brake specific energy consumption and higherpeak pressure. It is also observed that the crank angle of occurrence of peak pressure progressestowards top dead center (TDC) as the timing is advanced and IOP is increased.

Authors:

• A. B. V. Barboza
• Madhwesh N.
• C.V.Sudhir
• N.Yagnesh Sharma

Keywords:

• Crank angle
• injector opening pressure
• injection timing
• peak pressure.

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