کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
646566 884567 2013 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Influence of injector hole number on the performance and emissions of a DI diesel engine fueled with biodiesel–diesel fuel blends
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
Influence of injector hole number on the performance and emissions of a DI diesel engine fueled with biodiesel–diesel fuel blends
چکیده انگلیسی


• We used biodiesel–diesel blends with the injectors having different parameters.
• Injector parameters have influences on the exhaust emissions.
• Specific fuel consumption can be affected with injector parameters.
• Injectors with proper hole numbers and size can be used for biodiesel–diesel blends.

In diesel engines, fuel atomization process strongly affects the combustion and emissions. Injector hole number (INHN) particular influence on the performance and emissions because both parameters take important influence on the spray parameters like droplet size and penetration length and thus on the combustion process. Therefore, the INHN effects on the performance and emissions of a diesel engine using biodiesel and its blends were experimentally investigated by running the engine at four different engine loads in terms of brake mean effective pressure (BMEP) (12.5, 25, 37.5 and, 50 kPa). The injector nozzle hole size and number included 340 × 2 (340 μm diameter holes with 2 holes in the nozzle), 240 × 4, 200 × 6, and 170 × 8. The results verified that the brake specific fuel consumption (BSFC), carbon dioxide (CO2) and nitrogen oxides (NOx) emission increased, smoke opacity (SO), hydrocarbon (HC) and carbon monoxide (CO) emissions reduced due to the fuel properties and combustion characteristics of biodiesel. However, the increased INHN caused a decrease in BSFC at the use of high percentage biodiesel–diesel blends (B50 and B100), SO and the emissions of CO, HC. The emissions of CO2 and NOx increased. Compared to the original (ORG) INHN, changing the INHN caused an increase in BSFC values for diesel fuel and low percentage biodiesel–diesel blends (B5 and B20).

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Thermal Engineering - Volume 61, Issue 2, 3 November 2013, Pages 121–128
نویسندگان
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