doiSerbia

Performance measurements on an experimental Otto/Diesel engine operating with different fuels

Davinić Aleksandar Lj. (Faculty of Engineering, Kragujevac)
Pešić Radivoje B. (Faculty of Engineering, Kragujevac)
Taranović Dragan S. (Faculty of Engineering, Kragujevac)
Ravlić Miroslav D. (“PRIZMA”, Kragujevac)

Multi-process working principle is one of the modern approaches to development of internal combustion engines. By combining the original features of the Otto and Diesel working processes, an improvement of the engine efficiency and ecological characteristics can be achieved. Examples for that are spark ignition engine with stratified charge as well as compression ignition engines with homogeneous charge. The experimental multi-process engine was developed as well as testing methodology, for the basic researches efficiency and ecological characteristics of the Otto/Diesel engine. This paper presents the results of the combination of Otto/ /Diesel working processes when the engine working with both conventional and bio-fuels. Results of initial tests of Otto/Diesel engine show a high potential to reduce particulate emissions. The investigation has shown certain disadvantages of the engine and the ways for theirs overcoming.

Keywords: compression ratio, efficiency, emission, experimental engine, working process