期刊论文

Liu, K.

英文

Energy

0360-5442

2023

263

10.1016/j.energy.2022.125729

This research support is provided by the Scientific Research Project of Hunan Provincial Education Department [grant number 21B0243 ], Changsha City Natural Science Foundation Project [grant number kq2202290 ], youth scientific research fund project of Central South University of Forestry and Technology [grant number QJ2018005B ], talents introduction and scientific research fund project of Central South University of Forestry and Technology [grant number 2019YJ034 ], the Green Vehicle 2011 Collaborative Innovation Center of Hunan Province. The authors would like to thank the anonymous reviewers and the editor for carefully reviewing this paper and proposing many constructive comments to improving the manuscript.

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To explore the effect of aftertreatment system (AS) on the energy flow pattern and emission reduction under transient conditions, the energy flow and emissions characteristics of a CNG engine with and without AS are experimentally investigated under world harmonized transient cycle. By comparing and analyzing the energy flow and emissions in both cases, the impact pattern of AS is revealed. Besides, the relationship between the emissions histories and engine behavior is explored thoroughly. The results show that the AS leads to higher coolant l...