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بهبود عملکرد و کاهش آلایندگی موتور دیزل با استفاده از یک سوخت سهگانه هیبریدی: دیزل، بیواتانول و نانوذرات اکسیدآهن(Fe₃O₄)، یک مطالعه تجربی | ||
| مهندسی بیوسیستم ایران | ||
| دوره 57، شماره 1، اردیبهشت 1405، صفحه 17-36 اصل مقاله (2.06 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijbse.2025.404789.665625 | ||
| نویسندگان | ||
| عباس تقی پور* 1؛ بهزاد عزیزی مهر2 | ||
| 1دانشکده مهندسی ساخت و فناوریهای صنعتی، واحددزفول، دانشگاه آزاد اسلامی، دزفول، ایران. | ||
| 2گروه مهندسی مکانیک، دانشکده مکانیک و صنایع کاربردی، دانشگاه ملی مهارت، تهران، ایران | ||
| چکیده | ||
| این پژوهش به بررسی همزمان تأثیر بیواتانول و نانوذرات اکسیدآهن بهعنوان مواد افزودنی به سوخت دیزل بر پارامترهای عملکردی و میزان آلایندههای موتور دیزل میپردازد. این ترکیب سهگانه، مکانیزم بهبود احتراق و کاهش همزمان آلایندههای کلیدی را بهطور تجربی نمایان میسازد. مخلوطهای سوخت متشکل از دیزل، بیواتانول (۰ تا ٪۱۲ حجمی) و نانوذرات اکسیدآهن (PPm ۵-15) میباشد. آزمایشها در محدوده سرعت ۱۸۰۰ تا ۲۶۰۰ دور بر دقیقه انجام و پارامترهای عملکردی (گشتاور، توان، مصرف سوخت ویژه ترمزی) و آلایندههای منوکسید کربن، دی اکسید کربن، هیدروکربنهای نسوخته و اکسیدهای نیتروژن اندازهگیری شد. نتایج بهبود پارامترهای عملکردی موتور به دلیل احتراق بهتر، ناشی از تأمین اکسیژن بیشتر را به دنبال دارد. بهگونهای که افزایش توان ترکیب سوخت B12D88 حاوی PPm ۱۵ از نانوذرات اکسیدآهن نسبت به سوخت دیزل خالص، %48/17 میباشد. اگرچه افزایش بیواتانول به دلیل ارزش حرارتی پایینتر، کاهش گشتاور تا %8/8 را در پی داشت، اما حضور نانوذرات بهعنوان کاتالیست، مصرف سوخت ویژه را علیرغم پیشبینیهای نظری تا %1/22 کاهش داد. از جنبه آلایندگی، این ترکیب سهگانه موجب کاهش منوکسید کربن تا %3/33 و کاهش دیاکسید کربن تا %5/12 شد، درحالیکه تأثیر معناداری بر هیدروکربنهای نسوخته و اکسیدهای نیتروژن نداشتند. بهطور کلی نتایج به وضوح نشان میدهد که افزودن نانوذرات اکسیدآهن به مخلوطهای دیزل-بیواتانول، یک راهبرد مؤثر برای بهبود عملکرد موتور و کاهش آلاینده منوکسید کربن است. اگرچه تاثیر آن بر اکسیدهای نیتروژن کم اهمیتتر است، اما میتوان با بهینهسازی نسبت بیواتانول، به یک ترکیب بهینه از نظر عملکرد و آلایندگی دست یافت. | ||
| کلیدواژهها | ||
| نانوذرات اکسیدآهن؛ بیواتانول؛ موتور دیزل؛ عملکرد موتور؛ انتشار آلایندهها | ||
| عنوان مقاله [English] | ||
| Improving Performance and Reducing Emissions of a Diesel Engine Using a Hybrid Tri-Fuel: Diesel, Bioethanol, and Iron Oxide (Fe₃O₄) Nanoparticles, An Experimental Study | ||
| نویسندگان [English] | ||
| Abbas Taghipour1؛ Behzad Azizimehr2 | ||
| 1Institute of Manufacturing Engineering and Industrial Technologies, Dez.C. , Islamic Azad University, Dezful, Iran | ||
| 2Department of Mechanical Engineering, Faculty of Mechanics and Applied Industries, Technical and Vocational University (TVU), Tehran, Iran | ||
| چکیده [English] | ||
| This study investigates the simultaneous effect of bioethanol and iron oxide nanoparticles as fuel additives to diesel on the performance parameters and emission of a diesel engine. This ternary combination experimentally demonstrates the mechanism for improving combustion and simultaneously reducing key pollutants. The fuel blends consisted of diesel, bioethanol (0 to 12% by volume), and iron oxide nanoparticles (5-15 ppm). Experiments were conducted in the speed range of 1800 to 2600 rpm, and performance parameters (torque, power, specific fuel consumption) as well as emissions of carbon monoxide, carbon dioxide, unburned hydrocarbons, and nitrogen oxides were measured. The results indicate an improvement in engine performance parameters due to better combustion, resulting from increased oxygen availability. Specifically, the power increase for the B12D88 fuel blend containing 15 ppm of nanoparticles compared to pure diesel fuel is 17.48%. Although the increase in bioethanol, due to its lower calorific value, led to a torque reduction of up to 8.8%, the presence of nanoparticles as a catalyst decreased the SFC by 22.1%, contrary to theoretical predictions. This ternary combination resulted in a reduction of CO by up to 33.3% and CO2 by up to 12.5%, while it did not have a significant effect on unburned hydrocarbons and nitrogen oxides. Based on the results, adding nanoparticles to diesel-bioethanol blends is an effective strategy for improving engine performance and reducing carbon monoxide emissions. Although its effect on nitrogen oxides is less significant, an optimal balance between performance and emissions can be achieved by optimizing the bioethanol ratio. | ||
| کلیدواژهها [English] | ||
| Iron Oxide Nanoparticles, Bioethanol, Diesel Engine, Engine Performance, Pollutant Emissions | ||
| مراجع | ||
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