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THE ALTERNATIVE FUELS FOR FOUR STROKE COMPRESSION IGNITION ENGINES: PERFORMANCE ANALYSIS | ||
| Iranian Journal of Science and Technology Transactions of Mechanical Engineering | ||
| شناسنامه علمی شماره، دوره 36، شماره 2، اردیبهشت 2012، صفحه 155-164 اصل مقاله (664.73 K) | ||
| شناسه دیجیتال (DOI): 10.22099/ijstm.2012.952 | ||
| چکیده | ||
| In this experimental study, the Diesel fuel blends with different percentages of Ethanol and Methanol with a constant percentage (5%) of n-Butanol were used. These percentages were 5%, 10% and 15% for Ethanol and Methanol. The Diesel fuel blends were designated as Z5E5D90, Z5E10D85, Z5E15D80 and Z5M5D90, Z5M10D85, Z5M15D80. The experiments were carried out on a three cylinder, four stroke, direct fuel injection compression ignition engine on different engine speeds at constant load, while engine performance and exhaust gas emissions of Carbon Monoxide (CO) and Hydrocarbons (HC) were also examined. The engine speed was varied from 800 rpm to 1800 rpm with an increment of 200 rpm. During the experimentation the times for consumption of 50 ml of fuel were recorded. The values of Brake Power, Brake Specific Fuel Consumption and Brake Thermal Efficiency were calculated by using the formulas. The experimental outcomes were analyzed, and showed an increase in Brake Specific Fuel Consumption and decrease in Brake Thermal Efficiency and exhaust gas emissions of Carbon Monoxide (CO) and Hydrocarbons (HC) with the use of different Diesel fuel blends. | ||
| کلیدواژهها | ||
| Ethanol؛ methanol؛ diesel blends؛ engine performance analysis؛ exhaust emissions | ||
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