Abstract
Performance of engine and emission characteristics of modified dual fuel engine is highly influenced by its ignition and combustion behavior. In this study, an experimental investigation was conducted to evaluate the effects of diesel, ethanol, Cotton Seed Oil Methyl Ester (CSOME) and Compressed Natural Gas (CNG) on the performance, emissions and combustion of single cylinder, four stroke and water cooled modified dual fuel engine. The experiments were carried out using various fuel blends and Compressed Natural Gas in normal engine mode and dual fuel engine mode. The test fuels were blends of Diesel, Ethanol and Cotton Seed Oil Methyl Ester. The results indicated that, Nitrogen oxide (NOX) emissions, Carbon dioxide (CO2) emissions decreased at all loads for fuel blends and fuel blends with CNG. While, carbon monoxide (CO) emissions and Hydrocarbon (HC) emissions comparable higher at load for all fuel blends and fuel blends with CNG.
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