2018
DOI: 10.7240/marufbd.424411
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Ağir İş Di̇zel Motoru Si̇li̇ndi̇ri̇ İçeri̇si̇ndeki̇ Soğuk Hava Akişinin Sayisal İncelenmesi̇

Abstract: ÖzBu çalışmada, lokomotiflerde kullanılan ağır iş dizel motorunun silindiri içerisindeki soğuk hava akışı ve oluşan girdaplar Hesaplamalı Akışkanlar Dinamiği (HAD) yöntemi ile hareketli çözüm ağı kullanılarak modellenmiştir. Ele alınan motor silindirinde emme ve egzoz portları, valfleri ve ön yanma odalı tip yanma odası vardır. Krank açısına göre değişen piston ve emme-egzoz supapları için hareketli çözüm ağı kullanılmıştır, soğuk hava akışı RNG k-ε türbülans modeli kullanılarak modellenmiş ve emme ve sıkıştır… Show more

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“…Ayaz et al [19] investigated the cold air movements inside chamber throughout intake and compression stroke of a diesel en-gine used in locomotives Analyzes were performed in Ansys Fluent software. Higher velocities were obtained in the transition zone between the pre-combustion and the main combustion chamber in the intake stroke compared to the other zones of the combustion chamber.…”
Section: Introductionmentioning
confidence: 99%
“…Ayaz et al [19] investigated the cold air movements inside chamber throughout intake and compression stroke of a diesel en-gine used in locomotives Analyzes were performed in Ansys Fluent software. Higher velocities were obtained in the transition zone between the pre-combustion and the main combustion chamber in the intake stroke compared to the other zones of the combustion chamber.…”
Section: Introductionmentioning
confidence: 99%