基于工况分布的重型环卫货车 NOx排放模型

交通运输系统工程与信息 ›› 2019, Vol. 19 ›› Issue (3): 222-229.

基于工况分布的重型环卫货车 NO_x排放模型

张双红¹，于雷^{* 1, 2}，宋国华¹

1. 北京交通大学城市交通复杂系统理论与技术教育部重点实验室，北京 100044； 2. 德克萨斯南方大学，休斯敦 TX 77004，美国

收稿日期:2018-11-22 修回日期:2019-01-02 出版日期:2019-06-25 发布日期:2019-06-25
作者简介:张双红(1984-)，女，河北邢台人，博士生.
基金资助:
国家自然科学基金/ National Natural Science Foundation of China(71871015)；河南省道路交通运输十三五节能减排潜力与实现条件研究/Potentials and Strategies of Energy Conservation and Emission Reduction in Henan Road Transportation (2017G5)；河南省交通行业节能减排统计与监测平台关键技术研究/ Key Technologies of the Statistics and Monitoring Platform for Energy Conservation and Emission Reduction in Henan Transportation Industry(2018G3).

NO_x Emission Model for Heavy-duty Refuse Trucks Based on Operating Modes

ZHANG Shuang-hong¹, YU Lei^{1, 2} , SONG Guo-hua¹

1. MOE Key Laboratory for Urban Transportation Complex Systems Theory and Technology, Beijing Jiaotong University, Beijing 100044, China; 2. Department of Transportation Studies, Texas Southern University, Houston, TX 77004, USA

Received:2018-11-22 Revised:2019-01-02 Online:2019-06-25 Published:2019-06-25

摘要/Abstract

摘要：

为提高城市重型环卫货车的NOx排放测算精度，本文提出一个基于工况分布的重型环卫货车NOx排放模型.首先，根据基于实测逐秒速度数据分析的环卫重型货车工况特征和 NO_x排放特性对不同负载货车的 VSP区间进行划分；其次，结合货车瞬时速度建立不同负载的环卫重型货车运行模式区间划分方法，并对不同负载货车NO_x排放因子进行测算.结果显示，空载货车在速度区间[0, 20) km/h 上，NOx排放因子大于满载，其他速度区间上相反.与基于 MOVES模型测算结果对比，在不同速度区间上，基于 MOVES的测算结果均比本文提出模型的测算结果偏低，如在低速区间[0，20) km/h，中速区间[20，50) km/h，高速区间[50，+∞) km/h：空载行驶时，分别低24.67%、6.82%和23.81%；满载行驶时，分别低12.38%、18.81%和26.43%.

关键词: 城市交通, 排放模型, 工况分布, 重型环卫货车, 负载, 排放因子

Abstract:

In order to improve the accuracy of the NO_x emission estimation for city heavy-duty refuse trucks, this paper presents an operating mode-based NO_x emission model for heavy-duty refuse trucks. First, the VSP bins were defined based on the operating conditions and the emission characteristics of NO_x derived from the analysis of second- by- second field speed data for fully loaded and empty heavy- duty refuse trucks respectively. Then, combined with the instantaneous speed of trucks, an operating mode binning method was developed and emission factors for trucks were estimated, which were subsequently compared with the results based on the MOVES model. It is shown that the emission factors of NO_x are higher for empty loaded trucks at the low speed level of ([0, 20) km/h) than that of fully loaded trucks, and lower in other speed levels. However, emission factors of NO_x estimated based on the MOVES model are lower on all speed levels for both fully and empty loaded trucks than those based on the NO_x emission model proposed in this paper. For empty loaded trucks, the differences are found as much as 24.67%, 6.82% and 23.81% at the low speed level ([0，20) km/h), medium speed level ([20，50) km/h) and high speed level ([50，+∞) km/h) respectively. For fully loaded trucks, the differences are 12.38%, 18.81% and 26.43% respectively.

Key words: urban traffic, emission model, operating mode, heavy-duty refuse trucks, load, emission factor

中图分类号:

U491

张双红，于雷，宋国华. 基于工况分布的重型环卫货车 NO_x排放模型[J]. 交通运输系统工程与信息, 2019, 19(3): 222-229.

ZHANG Shuang-hong, YU Lei,SONG Guo-hua. NO_x Emission Model for Heavy-duty Refuse Trucks Based on Operating Modes[J]. Journal of Transportation Systems Engineering and Information Technology, 2019, 19(3): 222-229.

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链接本文: http://www.tseit.org.cn/CN/abstract/abstract19859.shtml

http://www.tseit.org.cn/CN/Y2019/V19/I3/222

参考文献

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