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Khoshkname, Donya, Shadidi, Behdad, Haji Agha Alizade, Hossein. (1404). Thermodynamic Performance and Exergy Analysis of a Four-Cylinder Gasoline Engine Fueled with Gasoline-Alcohol Blends: The Role of Pentanol, Butanol, Ethanol, and Propanol. , (), -. doi: 10.22059/jchpe.2025.391312.1601
Donya Khoshkname; Behdad Shadidi; Hossein Haji Agha Alizade. "Thermodynamic Performance and Exergy Analysis of a Four-Cylinder Gasoline Engine Fueled with Gasoline-Alcohol Blends: The Role of Pentanol, Butanol, Ethanol, and Propanol". , , , 1404, -. doi: 10.22059/jchpe.2025.391312.1601
Khoshkname, Donya, Shadidi, Behdad, Haji Agha Alizade, Hossein. (1404). 'Thermodynamic Performance and Exergy Analysis of a Four-Cylinder Gasoline Engine Fueled with Gasoline-Alcohol Blends: The Role of Pentanol, Butanol, Ethanol, and Propanol', , (), pp. -. doi: 10.22059/jchpe.2025.391312.1601
Khoshkname, Donya, Shadidi, Behdad, Haji Agha Alizade, Hossein. Thermodynamic Performance and Exergy Analysis of a Four-Cylinder Gasoline Engine Fueled with Gasoline-Alcohol Blends: The Role of Pentanol, Butanol, Ethanol, and Propanol. , 1404; (): -. doi: 10.22059/jchpe.2025.391312.1601

Thermodynamic Performance and Exergy Analysis of a Four-Cylinder Gasoline Engine Fueled with Gasoline-Alcohol Blends: The Role of Pentanol, Butanol, Ethanol, and Propanol

Journal of Chemical and Petroleum Engineering
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 16 تیر 1404    اصل مقاله (1.17 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22059/jchpe.2025.391312.1601
نویسندگان
Donya Khoshkname1؛ Behdad Shadidi* 1؛ Hossein Haji Agha Alizade2
1Department of Biosystems Engineering, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran
2Associate Professor, Department of Biosystems Engineering, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran
چکیده
This study investigates the combustion behavior and exergy performance of a water-cooled, four-cylinder gasoline engine using pure gasoline and various gasoline–bio-alcohol blends containing ethanol, butanol, propanol, and pentanol. Experiments were conducted at engine speeds of 1000, 1500, and 2000 rpm. Exergy analysis was used to evaluate input fuel exergy, exergy losses, and exergy efficiency. Results revealed that increasing engine speed increased the input exergy rate across all fuels due to greater fuel consumption. Among the fuel blends, higher pentanol content led to lower input exergy but enhanced exergy transfer through heat due to improved combustion characteristics. Exhaust exergy rates were higher for alcohol-containing fuels, especially at elevated speeds, due to higher combustion temperatures. The exergy work rate increased with engine speed in all blends, with the G60Pe10E10Bu10Pr10 blend achieving the highest work output (46.48 kW at 2000 rpm). However, exergy destruction also rose with speed and alcohol concentration, particularly in blends with 20% pentanol. Overall, blends with moderate alcohol content (particularly pentanol) showed favorable exergy behavior compared to pure gasoline. This study confirms the potential of optimized alcohol–gasoline blends to improve engine thermodynamic performance while reducing fossil fuel dependence. Among the alcohols, pentanol blends demonstrated the most favorable exergy performance at higher engine speeds.
کلیدواژه‌ها
Bioalcohols؛ Exhaust؛ Heat؛ Work؛ Irreversibility؛ Engine
آمار
تعداد مشاهده مقاله: 51
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