ERİNÇ ULUDAMAR, KADİR AYDIN, MUSTAFA ÖZCANLI

Doğalgaz ve Biyodizel-Dizel Karışımları ile Yakıtlanan Dizel Bir Motorun Gürültü ve Egzoz Emisyonu Karakteristiği

Modern toplumun yüksek enerji talepleri, neredeyse tüm canlılar için en büyük sorunlardan biri haline gelmiş olan çevre kirliliğine yol açmıştır. Bu yüzden, enerji kaynaklarının emisyonlar üzerindeki etkileri onlarca yıldır araştırmacılar tarafından incelenmektedir. Bu araştırmada doğalgaz ve mısır yağından üretilmiş biyodizelin dizel bir motorun emisyonları üzerine etkileri deneysel olarak incelenmiştir. Motor deneylerinde doğalgaz motorda ikincil yakıt olarak kullanılırken, düşük kükürtlü dizel yakıtı ve mısır biyodizeli ile karışımı hacimsel olarak %20 ve %40 birincil yakıt olarak kullanılmıştır. Sonuçlara göre düşük kükürtlü dizel yakıt ile karşılaştırıldığında hem doğalgaz hem de biyodizel kullanımı dizel motordan yayılan gürültü emisyonlarını iyileştirmiştir. Biyodizel karışımları CO emisyonunu, CoB20, CoB40 için sırasıyla %4,05 ve %7,63 daha düşük sonuç verirken doğalgaz ilavesi emisyonun önemli ölçüde artmasına neden olmuştur. Bununla birlikte, biyodizelin düşük kükürtlü dizel yakıtın içerisine eklenmesinden dolayı artan CO2emisyonu doğalgazın eklenmesiyle telafi edilmiştir. Ayrıca, CoB20 ve CoB40 kullanımından kaynaklanan sırasıyla %4,08 ve %18,00 oranındaki NOx emisyonu artışı da doğalgaz kullanımı ile %33,0’a kadar telafi edilmiştir

Anahtar Kelimeler:

Mısır biyodizeli, Dizel motor, Egzoz emisyonları, Gürültü

Noise and exhaust emission characteristic of a diesel engine fuelled with natural gas and blends of biodiesel and diesel fuels

High energy demand of modern society has led to environmental pollution which has become one of the biggest problems for almost all living. Therefore, the effect of energy sources on emissions has been investigated by researchers for decades. In this research, the effect of natural gas and biodiesel which was produced from corn oil on emissions of a diesel engine was experimentally investigated. In engine experiments, natural gas used at the engine as a secondary fuel while low sulphur diesel fuel and its blend with corn biodiesel 20% and 40% by volume was used as a primary fuel. According to results, compared to low sulphur diesel fuel, both natural gas and biodiesel usage improved the noise emission that distributed from the diesel engine. Biodiesel blends resulted in lower CO emission of 4,05% and 7,63% for CoB20 and CoB40, respectively, whereas introduction of natural gas caused significant rise of the emission. However, increment of CO2 emission caused by biodiesel addition into low sulphur diesel fuel was well compensated by the addition of natural gas. Moreover, 4,08%, 18,00% increment of NOx emissions that caused by CoB20 and CoB40 usage was also compensated up to 33,0% by the introduction of natural gas.

Keywords:

Noise, Exhaust emissions, Diesel engine, Corn biodiesel,

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