PAMUK METİL ESTERİNE N-HEPTAN KATKISININ MOTOR PERFORMANSI VE YANMA KARAKTERİSTİKLERİNE ETKİLERİNİN İNCELENMESİ

Mehmet ÇELİK, Hamit SOLMAZ, H. Serdar YÜCESU
1.921 847

Öz


Yakıt katkılarının dizel motor performansına etkileri birçok araştırmacı tarafından çalışılmış ve umut verici sonuçlar elde edilmiştir. Katkı maddeleri yanma esnasında katalizör etkisi göstererek yakıt kararsızlığı reaksiyonlarını hızlandırmakta ve motor performansı üzerinde olumlu etkiler oluşturmaktadır. Bu çalışmada; rafine edilmiş pamuk yağından transesterifikasyon yöntemi ile biyodizel üretilmiş, üretilen biyodizellere belirli oranlarda n-heptan katılmış ve test edilmiştir. Deneyler tek silindirli bir dizel motorunda sabit devirde ve tam yükte yapılmıştır.  Pamuk metil esteri (PH0) yakıtı içerisine n-heptan ilavesi yakıt atomizasyonunu iyileştirmiş ve yanma verimliliği artmıştır. Maksimum güç artışı %8 n-heptan içeren pamuk metil esteri ile (PH8) %7.52 olmuştur. Tüm yakıtlar için maksimum silindir gaz basınçları ve maksimum ısı yayılımı hemen hemen aynı krank açısında oluşmuştur. Çalışmada %8 n-heptan karışımı motor performans ve yanma özellikleri bakımından en iyi sonucu vermiştir.

Anahtar kelimeler


Pamuk metil esteri, yakıt katkı maddesi, yanma karakteristikleri, motor performansı

Tam metin:

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DOI: http://dx.doi.org/10.17341/gummfd.56992

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