Sıkıştırma ile Ateşlemeli Bir Motora Hidrojen İlavesinin Egzoz Emisyonlarına Etkisi

Öz

Bu çalışmada, hidrojen miktarının hidrojen-dizel yakıtlı sıkıştırma ile ateşlemeli (CI) motorun üzerindeki etkisi araştırılmıştır. Hidrojen, sürekli olarak bir karıştırma odasına gönderilmiştir. Dizel yakıt, Common Rail yakıt enjeksiyon sistemi ile silindirlere gönderilmiştir. Deneysel çalışmada; dört silindirli, dört zamanlı, su soğutmalı, 1,461-L ve turbo şarjlı CI motoru kullanılmıştır. Egzoz emisyonları, 1750 d/d sabit hızda 40 Nm, 60 Nm ve 80 Nm motor yükleri altında incelenmiştir. Hidrojen debileri; 10 l/d, 20 l/d ve 30 l/d olarak seçilmiş ve H10, H20 ve H30 olarak isimlendirilmiştir. Sonuçlara göre, NOx ve CO2 emisyonlarında iyileşmeler olurken, HC ve is emisyonları artış meydana gelmiştir. Hidrojen katkısının O2 emisyonu üzerine etkisinin oldukça düşük olduğu görülmüştür. 

Anahtar Kelimeler

• Sıkıştırma ile ateşlemeli motor,Hidrojen,Egzoz emisyonları

Effect of Hydrogen Addition on Exhaust Emissions in a Compression Ignition Engine

Öz

In this paper, a research on effect of hydrogen amount on hydrogen-diesel fuelled compression ignition (CI) engine was conducted. Hydrogen was continuously inducted into a mixing chamber. Diesel fuel was sent into cylinders by Common Rail fuel injection system. A four-cylinder, four-stroke, water cooled, 1.461-L and turbocharged CI engine was used for test. Exhaust emissions were investigated under 40 Nm, 60 Nm and 80Nm engine loads at constant speed of 1750 rpm. Hydrogen flow rates were chosen as 10 lpm, 20 lpm and 30 lpm and called as H10, H20 and H30. According to the results, improvements in NOx and CO2 emissions were observed, while HC and smoke emissions increased. The effect of hydrogen addition on O2 emissions was found to be quite low levels. 

Anahtar Kelimeler

• Compression ignition engine,Hydrogen,Exhaust emisisons

Kaynakça

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