文档介绍：Heavy Duty Diesel Engines Developed from Euro 3 to Euro 4 Peter Wuensche / Product Manager AVL Heavy Duty Diesel Engines Developed from Euro 3 to Euro 4 Content Emission Legislation Euro 4 Emission Development Strategy Options Emission Reduction Technology Results from AVL R&D Work Conclusion and Summary 2 Heavy Duty Diesel Engines Developed from Euro 3 to Euro 4 Content Emission Legislation Limits and Fuel Economy Transient Test Cycles Euro 4 Emission Development Strategy Options Emission Reduction Technology Results from AVL R&D Work Conclusion and Summary 3 Emission Legislation Limits and fuel economy
Europe 2000 USA Japan 1998 India 2004 China 2004 2002-03 2007 2000-05 2007 1998 2010 2005 2010 2008-10 2012 2005-08 1994 0 Particulates – g/kWh Euro 5/2008 Euro 4/2005 Euro 3/2000 Euro 2/1995 230 Trade-off with current technology (w/o EGR) 220 for US 98 / EU 3 Legislative 210 requirement (NOx) 200 Market BSFC – g/kWh requirement 190 0 1234 56 7 NOx –g/kWh 4 Emission Legislation Transient Test Cycles 120 100 80 60 Load - % 40 20 0 -20 -20 0 20 40 60 80 100 120 Speed - % 5 Emission Legislation Development Focus 120 100 80 60 Europe ETC USA Load - % 40 FTP Japan TC 20 0 -20 -20 0 20 40 60 80 100 120 Speed - % 6 Comparison of transient cycles Relation of frictional work to effective work Volume specific work
kJ/dm3 Effective work
Relevant for performance Relevant for Effective emission work Effective work
Frictional Frictional Frictional work work work 0 Japan USA Europe 7 Heavy Duty Diesel Engines Developed from Euro 3 to Euro 4 Content Emission Legislation Euro 4 Emission Development Strategy Options Cooled EGR and Particulate reduction NOx reduction with SCR Emission Reduction Technology Results fro