Politeknik Dergisi

2147-9429

Gazi University

10.2339/politeknik.339401

Engineering

Mühendislik

Emme Havası Giriş Sıcaklığı ve Ön Karışımlı Yakıt Oranının RCCI Yanma Karakteristiklerine ve Motor Performansına Etkileri

Uyumaz

Ahmet

Solmaz

Hamit

GAZI UNIVERSITY

09 15 2017

20 3 689 688 09 22 2017

1998

Journal of Polytechnic

Bu çalışmada emmehavası giriş sıcaklığı ve ön karışım yakıt oranının reaktif kontrollüsıkıştırma ile ateşlemeli (RCCI) yanma karakteristikleri ve motor performansıüzerindeki etkileri deneysel olarak araştırılmıştır. Bu amaçla dört silindirli,dört zamanlı, direkt enjeksiyonlu benzinli motor RCCI modda 1000 d/d’da 40°C,60°C ve 80°C emme havası giriş sıcaklıklarında PRF20,PRF40 ve PRF 60 yakıtları ile stokiyometrik karışım oranında ve tam yükteçalıştırılmıştır. Emme havası giriş sıcaklığı ve ön karışım oranı arttıkçamaksimum silindir basıncının ve ısı dağılımının arttığı, yanmanın avansaalındığı görülmüştür. Bunun tersine sabit emme havası giriş sıcaklığında önkarışım oranı arttıkça yanmanın rötara alındığı görülmüştür. Maksimum indiketermik verim 60 °C emme giriş havası sıcaklığında PRF20 yakıtınagöre PRF60 yakıtı ile %7.4 artarak %32.3 elde edilmiştir. Motor performansıaçısından en uygun yakıtın PRF60 olduğu belirlenmiştir. Deney sonuçları RCCIyanmasının emme havası giriş sıcaklığı ve ön karışım yakıt oranından hassas birşekilde etkilendiğini, yanma fazının emme giriş sıcaklığı ve ön karışım yakıtoranı ile kontrol edilebileceğini göstermiştir.

Reaktif kontrollü sıkıştırma ile ateşlemeli yanma (RCCI) emme havası giriş sıcaklığı ön karışım yakıt oranı yanma motor performansı

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