Increasing concerns over pollutant emissions from diesel engines have prompted researchers to find replacement fuels for diesel engines. The use of alternative fuels such as biodiesel in compression ignition engine is beneficial to the environment as it reduces emissions of pollutant with slight penalty of performance. This work investigated the use of biodiesel fuels in a compression ignition engine by numerical simulations. The numerical simulations were based on the model of finite heat release, cylinder heat transfer and friction losses. Simulations were carried out to evaluate the effects of compression ratio, equivalence ratio, injection timing and engine speed on the performance of the compression ignition engine.
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