THE COMPARABLE RESEARCH OF ALTERNATIVE BIOFUELS USE IN DIESEL ENGINES

Justas Žaglinskis

Abstract


For the purpose to evaluate the performance characteristics of engine running on biofuels During 2009-2014 the 10 engine tests (4stand test and 6 in field conditions) were carried out with other researchers. The energy and environmental properties of 1st and 2ndbiofuels mixtures tested and compared with fossil diesel. The changes were observed and in general case the average values was:emissions of: nitrogen oxides increased 3 ÷ 5%; smokiness and carbon monoxide decreased respectively 20 ÷ 30% and 5 ÷ 16%;unburned hydrocarbons changes in a range of -15 ÷ +32%. The break specific fuel consumption increased by 3 ÷ 8%, the effetenessof energy use increased by 2 ÷ 4%.

KEY WORDS: Diesel engine, biofuels, biodiesels, motor properties.


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