摘要
标准GB18352.6-2016《轻型汽车污染物排放限值及测量方法(中国第六阶段)》中提出了四种道路载荷测量方法--滑行法,扭矩法,风洞法,计算法。针对3辆样车采用滑行法、风洞法和计算法进行了实车试验和计算,对比和分析了这三种测量方法的结果偏差。结果表明,风洞法测得的道路载荷结果与滑行法的平均偏差在1.25%以内,风洞法与滑行法测量道路载荷结果基本一致;计算法测得的道路载荷结果与滑行法的平均偏差在33.1%以内,计算法可作为企业测量道路载荷的参考方法。
It is proposed in China standard GB 18352.6-2016four road load measurement methods-coastdown method, torque method, wind tunnel method, calculation method. To compare and analysis the deviation of the coastdown method, wind tunnel method and calculation method, three vehicles were tested and calculated by these three measurement methods. The results show that deviation between the road load measurement methods by the wind tunnel method and the coastdown method is within 1.25%, the results of wind tunnel method and coastdown method are basically the same;and the deviation between the road load measurement methods by calculation method and the coastdown method is within 33.1%, the calculation method can be used as a reference method for enterprises.
作者
易金花
严杰
刘廷
Yi Jinhua;Yan Jie;Liu Ting(The Automotive Engineering Institute of Guangzhou Automobile Group Co.,Ltd.,Guangdong Guangzhou 511434)
出处
《汽车实用技术》
2020年第10期126-129,共4页
Automobile Applied Technology
关键词
国Ⅵ排放标准
道路载荷测量
风洞法
滑行法
计算法
CHINAⅥemission standard
Road Load Measurement
Wind tunnel method
Coastdown method
Calculation method
