ارزیابی عملکرد و آلایندگی موتور تحت تاثیر سوخت دیسترول

نوع مقاله : مقاله پژوهشی

نویسندگان

1 استاد، گروه مهندسی مکانیک و بیوسیستم، دانشکدۀ مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج، ایران

2 دکتری مهندسی مکانیزاسیون کشاورزی، گروه مهندسی ماشین‌های کشاورزی دانشکدۀ مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی

3 استاد، گروه مهندسی مکانیک و بیوسیستم، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس، تهران، ایران

چکیده

کاهش روز افزون منابع نفتی جهان و افزایش مشکلات زیست محیطی، نیاز به استفاده از منابع سوختی دیگر به منظور جایگزینی دیزل و بنزین را تشدید می‌کند. بیودیزل، سوختی از روغن­های گیاهی یا چربی‌حیوانی است. هدف از این تحقیق ارزیابی کاربرد سوخت دیسترول بر عملکرد و آلایندگی موتور تراکتور مسی فرگوسن (MF-399) می‌باشد. برای ارزیابی عملکرد و آلایندگی موتور تراکتور MF-399، در این تحقیق از سوخت دیسترول استفاده شد. متغیرهای مستقل شامل درصد بیودیزل، درصد اتانول و سرعت محور تواندهی و متغیرهای وابسته شامل گشتاور، مصرف‌ویژه سوخت، هیدروکربن‌های نسوخته، اکسیدهای نیتروژن، مونوکسید کربن و دی‌اکسید کربن می‌باشد. سوخت بیودیزل از روغن کرچک تولید گردید. عملکرد و آلاینده­ها موتور با استفاده از ترکیبات بیودیزل، اتانول و دیزل به ترتیب 5 تا 15، 2 تا 6 و 79 تا 93 درصد ارزیابی شد. نتایج نشان داد که دور PTO بر روی کلیه متغیرهای وابسته ولی درصد اتانول فقط روی تولید گشتاور و درصد بیودیزل بر مصرف‌ویژه سوخت و تولید مونوکسیدکربن و دی‌اکسیدکربن (در سطح یک درصد) موثر بود. اکسیدهای نیتروژن تولیدی موتور برای ترکیب دور و بیودیزل (rpm950، 15%) و (rpm1000، 5%) به ترتیب ppm2490 و 1198 بود که کاهش 51% نشان داد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Evaluating the Performance and Emissions of Tractor Engine under the Influence from Diesetrol Fuel

نویسندگان [English]

  • shahin rafiee 1
  • Zeinab Shabani 2
  • Barat Ghobadian 3
1 Full Professor, Department of Agricultural Machinery Engineering, Faculty of Agricultural Engineering and Technology, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
2 PhD of Agricultural Mechanization Engineering, Department of Agricultural Machinery Engineering, Faculty of Agricultural Engineering and Technology, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
3 Full Professor of Mechanical Engineering, Department of Mechanical and Biosystems Engineering, Faculty of Agriculture, Tarbiat ModaresUniversity, Tehran, Iran
چکیده [English]

The declining global oil resources and increasing environmental problems are exacerbating the need to use other fuel sources to replace diesel and gasoline. Biodiesel is a fuel from vegetable oils or animal fats. Biodiesel is a fuel from vegetable oils or animal fats. The aim of this study was to evaluate the application of diesetrol fuel on the performance and pollution of the Massey Ferguson (MF-399) tractor engine. To evaluate the performance and pollution of the MF-399 tractor engine, distrol fuel was used in this study. Disterol is a mixture of diesel fuel and methyl ester of vegetable oil called biodiesel. Independent variables include the percentage of biodiesel, the percentage of ethanol and the PTO speed, and the dependent variables include torque, SFC, HC, NOx, CO, and CO2. For this purpose, biodiesel fuel was produced from castor oil using a trans-esterification reaction and its important features were matched with the ASTM D6751-09 standard. The performance of the tractor engine emissions using 5 to 15% of biodiesel fuel compounds, 2 to 6% of ethanol and diesel fuel were tested and evaluated. The results showed that the distance had a significant effect on all dependent variables, and the percentage of ethanol was effective only on the production of torque, and the percentage of biodiesel was effective on specific fuel consumption and production of carbon monoxide and carbon dioxide. NOx produced by the engine for the PTO speed and percentage of biodiesel (950 rmp, 15%) and (1000 rmp, 5%) were 2490 and 1198 ppm, respectively, which showed a decrease of 51%.

کلیدواژه‌ها [English]

  • Diesetrol fuel
  • Performance and Emissions
  • NOx
  • MF-399 tractor
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