International Journal of Mechanical and Industrial Engineering


An experiment investigation is conducted to evaluate the use of sunflower oil methyl esters (bio-diesels) of Greek origin as supplements in the diesel fuel at blend ratios of 10/90 and 20/80, in a fully instrumented, six-cylinder, turbocharged and after-cooled, direct injection (DI),Mercedes –Benz, mini-bus diesel engine installed at the author`s laboratory. The tests are conducted using each of the above fuel blends, with the engine working at two speeds and three loads. Fuel consumption, exhaust smokiness and exhaust regulated gas emissions such as nitrogen oxides, carbon monoxide and total unburned hydrocarbons are measured. The diesel fuel and two bio-diesels are determined and compared.





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