Review of multi-fuel engine concepts and numerical modeling of in-cylinder flow processes in direct injection engines

The paper reviews the literature for methods of increasing fuel flexibility in diesel engines over a range of fuel properties representing alcohols to high viscosity diesels. It was conceived that the details of fuel-charge within the engine cylinder would help evaluate the requirements for multi-fuel engine design. It is therefore, attempted to model in-cylinder flows, fuel-air mixing and fuel property effects. The preliminary results of these calculations are presented.

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