Experimental investigation on a Direct injection diesel engine with Partially premixed inducted charge Of diesel and injected esters of Jatropha and fish oil

Abstract

More stringent emission standards are being introduced all over the newlineworld with the aim of progressively reducing vehicular emission leading newlineresearch to alternative combustion technologies and alternative fuels With newlinedepleting crude oil reserves across the globe it is high time that alternate fuels newlinefor engines are produced from indigenous sources Jatropha oil methyl ester newline JOME from the non edible category and Fish oil methyl ester FOME from newlineanimal fat category are identified as alternative fuels for the present newlineinvestigation A single cylinder air cooled four stroke 4 4 kW 1500 rpm newlineDirect Injection DI diesel engine used in the agricultural sector was selected newlinefor investigation newlineThe performance emission and combustion characteristics of newlineJOME and FOME blends with diesel were studied and 20 blends for both newlineJOME and FOME were observed to be optimum considering emissions of newlineoxides of Nitrogen NOx and soot compared to CIDI mode Both JOME and newlineFOME blends reduced soot Unburnt Hydrocarbons UBHC and newlineCarbonmonoxide CO significantly but NOx emissions increased and newlineExhaust Gas Recirculation EGR technique was adopted to reduce NOx newlineEmission newlineHomogeneous charge compression ignition HCCI is an alternative newlinecombustion process which received considerable interest to meet the stringent newlineemission norms newline newline