电控欧技术的发展与应用.pptx
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1、目录1.国内外排放标准情况简介;2.满足欧3排放的相关技术;3.上柴电控CRS柴油机的开发与产业化第1页/共29页国内外排放标准及其推进日期当今日期JP03JP05JP09Euro 3Euro 4资料来源: 戴克第2页/共29页排放标准在欧洲与中国的实施: : 欧0 0到欧5 500,10,20,30,40,50,60,70,81024681012141611988 1992 1995 2000 2005 20081988 1992 1995 2000 2005 20080,70,40,150,100,020,0214,19,07,05,03,52,0EURO 0 1 2 3 4 5EURO
2、0 1 2 3 4 5PM g/kWhNOx g/kWh中国: 2000 2003 2007 2010 2013 中国: 2000 2003 2007 2010 2013 第3页/共29页* for engines of less than 0.75 dm3 sw ept volume per cylinder and a rated pow er speed of more than 3000 min-1* not applicable for gas fueled engines at the year 2000 and 2005 stages* for natural gas engin
3、es onlyEuro III (only EEVS)Euro IIIEuro IVEuro VPM (g/kWh)0.02 0.10 / 0.13*0.020.02NOx (g/kWh)2.05.03.52.0CO (g/kWh)1.52.11.51.5HC (g/kWh)0.250.660.460.46Smoke (m-1)0.150.80.50.5 Standards for HD Diesel Engines (ESC & ELR Test)Euro III (only EEVS)Euro IIIEuro IVEuro VPM* (g/kWh)0.02 0.16 / 0.21*0.03
4、0.03NOx (g/kWh)2.05.03.52.0CO (g/kWh)3.05.454.04.0NMHC (g/kWh)0.400.780.550.55CH4*0.651.61.11.1 Standards for Diesel and Gas Engines (ETC Test)Type approval according EURO III.V manufacturers have to fulfill both testsEEVS extra low emission vehicles (enhanced environmentally friendly vehicles)欧洲排放标
5、准指标值第4页/共29页Source: DieselN欧3/欧4试验循环标准: ESC标准%Engine powerEngine speed100 %70 %50 %nhinloA = nlo + 0.25(nhi - nlo) B = nlo + 0.50(nhi - nlo) C = nlo + 0.75(nhi - nlo)第5页/共29页The test consists of a sequence of three load steps at each of the three engine speeds A (cycle 1), B (cycle 2) and C (cycle 3
6、), followed by cycle 4 at a speed between speed A and speed C and a load between 10% and 100%, selected by the certification personnel. Speeds A, B, and C are defined in the ESC cycle. Smoke measurement values are continuously sampled during the ELR test with a frequency of at least 20 Hz.Source: Di
7、eselN欧3/欧4试验循环标准: ELR标准第6页/共29页汽车试验标准Part one represents city driving with a maximum speed of 50 km/h, frequent starts, stops, and idling. Part two is rural driving starting with a steep acceleration segment. The average speed is about 72 km/h Part three is motorway driving with average speed of abo
8、ut 88 km/h. Source: DieselN欧3-欧5试验循环标准: ETC标准第7页/共29页Engine speedEngine torqueSource: DieselN欧3-欧5试验循环标准: ETC标准发动机试验标准第8页/共29页目录1.国内外排放标准情况简介;2.满足欧3排放的相关技术;3.上柴电控CRS柴油机的开发与产业化第9页/共29页NOx g/kWh0.00.10.2012345678910Euro 2Euro 3Euro 4 2. PM后处理氮氧化物后处理PM g/kWhEuro 51. 增高喷射压力增高喷射压力废气再循环废气再循环满足各级排放标准的发动机技术
9、电控技术+ 高压喷射 + 改善燃烧过程0.150.02增压中冷 +燃烧过程改善第10页/共29页满足排放要求的喷油和燃烧技术Cylinder Pressurein barsRate of HeatRelease(RoHR)kJ/kg o crankRate of Injection(RoI)cu mm/ o crankIdeal RoHR-60-120tdc60120Peak cylinder pressure controlledto avoid a high peak temperatureand so reduce the rapid formationof Nitric Oxide i
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