Experimental and Numerical Investigation of Combustion, Performance and Exhaust Emission Parameters of Biodiesel / Diesel Mixture Fuels Used in a Diesel Engine

Öz

This study is include combustion analyzes and engine characteristics of sunflower oil methyl ester biodiesel and its diesel blends. Experimental studies were performed on a single cylinder diesel engine. Numerical operation was performed in ESE-Diesel part of AVL-FIRE software. When the results are examined, maximum engine torque for mixed fuels has obtained in 10% sunflower oil methyl ester-90% diesel (SOME10) study. Maximum cylinder pressure in all test fuels has obtained at 30% sunflower oil methyl ester-70% diesel (SOME30). With the increase in biodiesel ratio in the mixture, while NOx emissions increased, CO and HC emissions decreased.

Anahtar Kelimeler

• Biodiesel,combustion analysis,engine performance,exhaust emission

Dizel Motorda Kullanılan Biodizel/Motorin Karışımlı Yakıtların Yanma, Performans ve Emisyon Parametrelerinin Deneysel ve Sayısal Araştırılması

Öz

Bu çalışma, ayçiçek yağı metil ester ve dizel karışımlarının motor karakteristiklerini ve yanma analizlerini içermektedir. Deneysel çalışmalar tek silindirli dizel bir motorda yapılmıştır. Sayısal çalışma ise AVL-FIRE yazılımının ESE-Diesel kısmında gerçekleştirilmiştir. Elde edilen veriler incelendiğinde, karışımlı yakıtlar içerisinde en yüksek motor torku %10 ayçiçek yağı metil ester-%90 motorin (AYME10) çalışmasında elde edilmiştir. Bütün test yakıtları içerisinde en yüksek silindir içi basınç, %30 ayçiçek yağı metil ester-%70 motorin (AYME30) karışımlı çalışmada elde edilmiştir. Karışım içerisindeki biodizel oranın artmasıyla birlikte NOx emsiyonları artarken, CO ve HC emisyonları ise azalmıştır.

Anahtar Kelimeler

• Biodizel,yanma analizi,motor performans,egzoz emisyon

Kaynakça

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