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首页> 外文会议>EAEC European automotive congress >REDUCTION OF CO_2 BY INTEGRATED OPTIMISATION OF DIESEL COMBUSTION AND AFTERTREATMENT TECHNOLOGY
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REDUCTION OF CO_2 BY INTEGRATED OPTIMISATION OF DIESEL COMBUSTION AND AFTERTREATMENT TECHNOLOGY

机译：通过柴油燃烧和后处理技术的整合优化减少CO_2

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The global automotive industry faces a major challenge to reduce the CO_2 emissions of vehicles. In this regard, Diesel engine technology must continue to improve and meet the challenge. This paper will describe research to assess the potential of integrating state of the art combustion and aftertreatment technologies while attaining Euro 6 emissions levels. The paper presents the test results of a research vehicle equipped with advanced Exhaust Gas Recirculation, series sequential turbo-charging, closed loop combustion control, Diesel Particulate Filter and Lean NO_x Trap aftertreatment. The approach and capability of the individual technologies is discussed in conjunction with the integration challenges. The optimisation approach is described and the benefits of closed loop combustion control to accelerate the calibration process are shown. Furthermore, the paper discusses the conflicts between combustion and aftertreatment technologies in relation to exhaust temperature. Despite this challenge, the benefits of optimising combustion technology for low CO_2 and utilising Lean NO_x Trap aftertreatment for NO_x control are quantified. The paper concludes that the strategy is most applicable to demanding Sports Utility Vehicles (SUV) and Light Duty Truck applications with high inertia and rolling resistance in combination with engine downsizing and downspeeding. To illustrate this point the optimised E6 emissions results for a 2150 kg SUV with automatic transmission are shown.
机译：全球汽车行业面临重大挑战，以减少车辆的CO_2排放。在这方面，柴油发动机技术必须继续提高和满足挑战。本文将描述研究，评估艺术燃烧和后处理技术的潜力，同时获得欧元6欧元排放水平。本文介绍了一款配备先进的废气再循环，串联涡轮增压，闭环燃烧控制，柴油微粒过滤器和瘦NO_X陷阱后处理的研究载体的测试结果。各种技术的方法和能力与整合挑战结合讨论。描述了优化方法，并示出了闭环燃烧控制以加速校准过程的益处。此外，本文讨论了与排气温度相关的燃烧和后处理技术之间的冲突。尽管存在这一挑战，量化了优化低CO_2燃烧技术的好处，并利用用于NO_X控制的贫尚陷阱后处理。本文得出结论，该战略最适用于要求高惯性和滚动阻力的苛刻运动型多功能车（SUV）和轻型卡车应用与发动机缩小和跌倒。为了说明这一点，优化的E6排放为2150 kg SUV具有自动变速器的结果。

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