介绍了汽车冷启动动态测试系统的功能与设计。
The function and design of the test system for cold starting-up dynamic testing of automobile have been introduced.
对汽车冷启动过程的性能动态测试是研究汽车性能的重要环节之一。
The dynamic testing of cold start for an automobile is one of the important links of research automobile.
由于汽车冷启动是为了使用冷起动喷油器以确保顺利供给丰富的混合物。
As the car cold start is to use to ensure a smooth start the engine cold start injector supply rich mixture.
汽车冷启动时催化剂床层温度低，尾气中的CO和烃类不能被传统三效催化剂有效消除。
The conventional threeway catalysts are not efficient enough to remove the CO and hydrocarbons during vehicle coldstart period due to the low temperature of catalyst bed.
如不及时改换冬季所用的机油，会招致汽车启动时冷启动艰难，以至发作烧瓦抱轴事故。
If you do not promptly change the oil used in winter, will lead to cold start when the car started difficult, and even burning pad shaft accident.
在夏季，自然通风量减小，但汽车在冷启动与怠速情况下的污染物排放量远比冬季的小。
In summer the natural ventilation rates of buoyancy driven flow decrease, in the meantime the cold start and idle emissions of cars are significantly lower in summer than in winter.
为了建立汽车尾气催化转化器冷启动过程温度场变化的数学模型，必须正确地选取对流换热系数关联式。
To choose the proper correlation for convection coefficient is very important in modeling the temperature field in a cold-start Automotive Catalytic Converter.
为了建立汽车尾气催化转化器冷启动过程温度场变化的数学模型，必须正确地选取对流换热系数关联式。
To choose the proper correlation for convection coefficient is very important in modeling the temperature field in a cold-start Automotive Catalytic Converter.
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