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首页> 外文期刊>Journal of Engineering for Gas Turbines and Power >Development of the Low-Emission GE-7FDL High-Power Medium-Speed Locomotive Diesel Engine
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Development of the Low-Emission GE-7FDL High-Power Medium-Speed Locomotive Diesel Engine

机译：低排放GE-7FDL大功率中速机车柴油机的开发

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This paper summarizes the technical development of the low-emission GE-7FDL series locomotive diesel engine. The development focused on reducing the engine exhaust NO_x emission significantly while reducing and curbing other visible and nonvisible emissions with minimal adverse impact on the engine fuel efficiency and minimal changes to the engine system and components. Concepts were analyzed, and were investigated using a single-cylinder 7FDL research engine. A low-emission 16-cylinder 7FDL engine and a GE locomotive prototype were built and tested for performance demonstration, function evaluation, and design optimization. The GE low-emission 7FDL engines and locomotives have been in production. The newly developed low-emission locomotive engine meets the EPA Tier-0 levels without fuel efficiency penalty. This was accomplished with minimal changes to the engine system and components. The desired engine reliability performance is retained. The engines are interchangeable with the preceding 7FDL baseline models, and the upgrade of the existing baseline engines to the low-emission version is facilitated.
机译：本文总结了GE-7FDL系列低排放机车柴油机的技术发展。该开发集中在显着减少发动机排气NO_x排放的同时，减少和控制其他可见和不可见排放，同时对发动机燃油效率的不利影响最小，对发动机系统和组件的变化也最小。对概念进行了分析，并使用单缸7FDL研究引擎进行了研究。建造并测试了低排放16缸7FDL发动机和GE机车原型，以进行性能演示，功能评估和设计优化。 GE低排放7FDL发动机和机车已经投入生产。新开发的低排放机车发动机符合EPA Tier-0标准，而没有燃油效率损失。只需对发动机系统和组件进行最少的改动即可完成。保留了所需的发动机可靠性能。这些引擎可与先前的7FDL基线模型互换，并且有助于将现有的基线引擎升级到低排放版本。

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