Greenhouse Gas Emission of China Ⅵ Heavy-Duty Diesel Engine

GUAN Min; HUANG Qiangwei; WANG Mingda; ZHENG Jian; MAO Sailong

doi:10.3969/j.issn.1001-2222.2022.06.004

Vehicle Engine ›› 2022, Vol. 0 ›› Issue (6) : 22-27. DOI: 10.3969/j.issn.1001-2222.2022.06.004

Greenhouse Gas Emission of China Ⅵ Heavy-Duty Diesel Engine

GUAN Min¹,HUANG Qiangwei²,WANG Mingda¹,ZHENG Jian²,MAO Sailong²

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Abstract

The WHSC cycle and WHTC cycle tests were carried out on 277 China Ⅵ heavy-duty diesel engines to analyze the distribution of CO₂ emission level under steady-state and transient conditions, as well as the effects of engine displacement and power on CO₂ emission level. Based on the formation mechanism of N₂O, the WHSC and WHTC cycle test results of 46 China Ⅵ heavy-duty diesel engines were analyzed, and the effects of EGR technology route and engine displacement on N₂O emission level were compared. According to the differences of CO₂and N₂O emission concentrations and cycle specific emissions between different altitudes from 3 China Ⅵ heavy-duty diesel engines, the effect of high altitude on greenhouse gas emission was analyzed. The research results show that the total emission level of test samples can be used as a benchmark for the CO₂ and N₂O emission limit. The engine displacement has a great influence on the division and practical application of the two limits. The high altitude factor can be ignored for CO₂ emission regulation, while its impact should be considered for N₂O emission regulation.

Key words

heavy-duty diesel engine / greenhouse gas / emission / altitude

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GUAN Min,HUANG Qiangwei,WANG Mingda,ZHENG Jian,MAO Sailong. Greenhouse Gas Emission of China Ⅵ Heavy-Duty Diesel Engine[J]. Vehicle Engine. 2022, 0(6): 22-27 https://doi.org/10.3969/j.issn.1001-2222.2022.06.004