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Investigation of Motorcycle Emissions Tested by European Standard Driving Cycle and Bangkok Driving Cycle

机译：欧洲标准驾驶周期和曼谷驾驶循环测试摩托车排放的调查

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Registered vehicles in Thailand, are currently required to pass the European standard (EURO3) driving cycle. Motorcycles comprise the registered vehicles in Thailand, thus it is important to study the exhaust emissions of motorcycles tested with both the European standard driving cycle: Hot emission (EURO3H) and the Bangkok driving cycle. The Bangkok driving cycle has been developed to represent Bangkok traffic. This was a study of gasoline motorcycles with three-way catalytic converters installed to investigate the exhaust emissions using a chassis dynamometer test to compare the EURO3H with the Bangkok driving cycle. The comparison of idle time, velocity and emissions of Carbon Monoxide (CO), Nitrogen Oxide (NO_x) and Total Hydrocarbon (THC) for the EURO3H and 6 different phases of the Bangkok driving cycle were investigated. The results showed the emissions of CO and NO_x were higher for all phases of the Bangkok driving cycle due to a lesser proportion of idle time and a greater proportion of high average velocity. For example, even though the idle time ratio of the EURO3H was almost at the same level as that of phase 2 of the Bangkok driving cycle, it effected a higher level of CO and THC owing to a lesser proportion of high average velocity.
机译：泰国注册车辆目前需要通过欧洲标准（Euro3）驾驶周期。摩托车包括泰国的注册车辆，因此研究用欧洲标准驾驶周期进行测试的摩托车的废气排放是非常重要的：热排放（EURO3H）和曼谷驾驶周期。曼谷驾驶周期已开发出代表曼谷交通。这是用三方催化转换器安装汽油摩托车的研究，以研究使用底盘测功机试验来对比较欧元3H与曼谷驾驶周期进行比较。研究了一氧化碳（CO），氮氧化物（NO_X）和总烃（THC）的空转时间，速度和排放的比较，欧元3H和6种不同阶段的曼谷驾驶周期的不同阶段。结果表明，由于空闲时间比例较小的比例和高平均速度比例较小，因此曼谷行驶周期的所有阶段的排放量和NO_X的排放量更高。例如，即使欧元3h的空闲时间比几乎与曼谷驾驶周期的第2阶段几乎处于相同的水平，它也是由于高平均速度较小的比例较小，因此它实现了更高水平的CO和THC。

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