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首页> 外文会议>International Conference on Research into Design >Methodologies to Achieve Highest CO_2 Emission Reduction in Automotive Systems to Meet Global CAFE/CAFC Norms
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Methodologies to Achieve Highest CO_2 Emission Reduction in Automotive Systems to Meet Global CAFE/CAFC Norms

机译：实现汽车系统最高CO_2排放减少的方法，以满足全球咖啡厅/ CAFC规范

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摘要

Automotive world is about to have a new revolution with a tremendous phase of technology shift toward electric vehicles. The century-long evolution of the engine has been subjected to the threat of being extinguished because of stringent norms coming up every now and then. Over the last decades, in the refrigeration and air-conditioning systems, the refrigerants have gone from natural refrigerants like NH3, H_2O to multiple generations of technologies starting from CFC to HCFC and then HFC to HFO and now moving back to natural refrigerants like CO_2 and H_2O to reduce the impact of ODP and GWP of emission of these refrigerants to atmosphere. Need of the hour is to deliver the advanced powertrain solutions with highest CO_2 Emission reduction which can extend the life of internal combustion engines before the EV to takeover completely. In this paper, various potential light weight piston design solutions using aluminum alloy, NCI, and Steel (for PCP > 20 MPa) as base materials for passenger car, LCV, and MHD Diesel (highway and off-highway) engine applications and ring pack with high wear-resistant coating and low tangential load designs are discussed with summary of CO_2 reduction potential in terms of g/km. The benefits of laser-welded steel pistons for passenger car, LCV, and MHD Diesel engines are explained with % of CH reduction and CO_2 reduction potential derived from frictional mean effective pressure (FMEP).
机译：汽车世界即将拥有新的革命，巨大的技术转向电动汽车。由于严格的规范，每年都在灭亡，发动机的世纪长度的演变已经受到灭亡的威胁。在过去的几十年中，在制冷和空调系统中，制冷剂从NH3，H_2O等自然制冷剂从CFC到HCFC开始，然后HFC到HFO，现在返回自然制冷剂（如CO_2） H_2O减少ODP和GWP将这些制冷剂的发射的影响降低到大气中。需要一个小时是提供具有最高CO_2排放减排的先进动力总成解决方案，可以在EV之前延长内燃机的寿命。在本文中，各种潜在的轻重活塞设计解决方案，使用铝合金，NCI和钢（用于PCP> 20 MPa）作为乘用车，LCV和MHD柴油（公路和脱机）发动机应用和环包的基础材料通过高耐磨涂层和低切向载荷设计，在G / KM方面讨论了CO_2降低潜力的概要。用于乘用车，LCV和MHD柴油发动机的激光焊接钢活塞的益处，用摩擦平均有效压力（FMEP）的CH降低和CO_2降低潜力的百分比解释。

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