Potential of VVA Systems for Improvement of CO{sub}2, Pollutant Emission and Performance of Combustion Engines


          

刊名：Ingenieurs de l'Automobile
作者：P. Kapus
G. Fraidl
T. Sams
T. Kammerdiener
刊号：873F0005
ISSN：0020-1200
出版年：2007
年卷期：2007, no.787
页码：51-56
总页数：6
分类号：U46
关键词：Variable valve actuation；Variable charge motion；Cam phasor；Variable valve lift；Scavenging strategies；Controlled auto ignition
参考中译：
语种：eng
文摘：With Gasoline engines, a huge variety of variable valve actuation systems is already applied in series production, whereas with Diesel engines most activities still are concentrated on advanced development. The paper gives an overview on the respective potentials for fuel economy and emission improvements. With Gasoline engines, cam phaser will become the standard technology, both as stand alone solution but also in combination with other technologies like variable charge motion, variable valve lift, GDI and turbocharging. Long term, the cost effectiveness will determine the application of the different technical approaches. With Diesel engines variable valve actuation devices show much smaller potentials and consequently lower probability for a broad short term series introduction.



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