Simulation and Experimental Investigation on CylinderDeactivation of 4 Cylinder Diesel Engine

WANG Hanxuan; ZHOU Bin; ZHANG Hao

doi:10.3969/j.issn.10012222.2017.05.012

Vehicle Engine ›› 2017, Vol. 0 ›› Issue (5) : 64-67. DOI: 10.3969/j.issn.10012222.2017.05.012

Simulation and Experimental Investigation on CylinderDeactivation of 4 Cylinder Diesel Engine

WANG Hanxuan,ZHOU Bin,ZHANG Hao

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Abstract

The fuel consumption and emission of smalltype 4cylinder diesel engine were simulated and researched through the test according to the cylinder deactivation technology. The model was established with GTpower software and the influence of cylinder position on fuel consumption was simulated. Then the position of deactivating cylinder was determined by analyzing the factors such as heat loss. Experiments and combustion analysis were carried out by cutting off fuel or both fuel and air. The results show that the isovolumetric degree decreased after deactivating the cylinder. In addition, fuel consumption and NOx emission increase but the soot decreases. In the mode of cutting off fuel and air, the fuel consumptions of some test points decrease, but the NOx and soot emissions increase.

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WANG Hanxuan,ZHOU Bin,ZHANG Hao. Simulation and Experimental Investigation on CylinderDeactivation of 4 Cylinder Diesel Engine[J]. Vehicle Engine. 2017, 0(5): 64-67 https://doi.org/10.3969/j.issn.10012222.2017.05.012