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Effects of intake air temperature on combustion, performance and emission characteristics of a HCCI engine fueled with the blends of 20% n-heptane and 80% isooctane fuels
Cinar, Can; Uyumaz, Ahmet; Solmaz, Hamit; Sahin, Fatih; Polat, Seyfi; Yilmaz, Emre (Elsevier, 2015)In this study, the effects of intake air temperature on the cylinder pressure, heat release rate, start of combustion, combustion duration, engine performance and exhaust emissions were investigated in a HCCI gasoline ... -
Estimation of the COVIMEP Variation in a HCCI Engine
Polat, Seyfi; Solmaz, Hamit; Calam, Alper; Yilmaz, Emre (Gazi Univ, 2020)In this study, variation of the COVIMEP was tried to be predicted by using the artificial neural network method for 4-stroke, 4-cylinder, direct injection and supercharged HCCI engine experimental data obtained by using ... -
Experimental examination of the effects of military aviation fuel JP-8 and biodiesel fuel blends on the engine performance, exhaust emissions and combustion in a direct injection engine
Uyumaz, Ahmet; Solmaz, Hamit; Yilmaz, Emre; Yamik, Hasan; Polat, Seyfi (Elsevier Science Bv, 2014)Biodiesels are the most popular fuels which can be used as an alternative fuel instead of diesel fuel in diesel engines. Low emission characteristics and high cetane numbers are the most significant advantages of biodiesels. ... -
An Experimental Research on the Effects of Negative Valve Overlap on Performance and Operating Range in a Homogeneous Charge Compression Ignition Engine With RON40 and RON60 Fuels
Polat, Seyfi; Solmaz, Hamit; Uyumaz, Ahmet; Calam, Alper; Yilmaz, Emre; Yucesu, H. Serdar (Asme, 2020)In this study, the effects of negative valve overlap (NVO) on homogenous charge compression ignition (HCCI) combustion and engine performance were experimentally investigated. A four stroke, single cylinder, port injection ... -
Thermodynamic comparison of crank-drive and rhombic-drive mechanisms for a single cylinder spark ignition engine
Yilmaz, Emre; Polat, Seyfi; Solmaz, Hamit; Aksoy, Fatih; Cinar, Can (Gazi Univ, Fac Engineering Architecture, 2020)In internal combustion engines, power is taken from a shaft and motor movement is defined by the angular motion of this shaft. This movement refers to the angle of the gear in rhombic drive mechanism engines while taking ...
