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Real-world exhaust temperature and engine load distributions of on-road heavy-duty diesel vehicles in various vocations

机译:各种职业道路重型柴油车的实际排气温度和发动机负荷分布

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摘要

Real-world vehicle and engine activity data were collected from 90 heavy-duty vehicles in California, United States, most of which have engine model year 2010 or newer and are equipped with selective catalytic reduction (SCR). The 90 vehicles represent 19 different groups defined by a combination of vocational use and geographic region. The data were collected using advanced data loggers that recorded vehicle speed, position (latitude and longitude), and more than 170 engine and aftertreatment parameters (including engine load and exhaust temperature) at the frequency of one Hz. This article presents plots of real-world exhaust temperature and engine load distributions for the 19 vehicle groups. In each plot, both frequency distribution and cumulative frequency distribution are shown. These distributions are generated using the aggregated data from all vehicle samples in each group.
机译:真实的车辆和发动机活动数据是从美国加利福尼亚州的90辆重型车辆中收集的,其中大多数具有2010年或更新的发动机型号,并配备了选择性催化还原(SCR)。这90辆车代表了19个不同的群体,这些群体由职业用途和地理区域组合而成。使用高级数据记录器收集数据,这些数据记录器以1 Hz的频率记录了车速,位置(纬度和经度)以及170多个发动机和后处理参数(包括发动机负载和排气温度)。本文介绍了19个车辆组的实际排气温度和发动机负载分布图。在每个图中,都显示了频率分布和累积频率分布。这些分布是使用每个组中所有车辆样本的汇总数据生成的。

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