PM and PN Emissions from Two Scania Euro V Engines Hua Lu Karlsson 2009-03-30.

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Presentation transcript:

PM and PN Emissions from Two Scania Euro V Engines Hua Lu Karlsson

Hua Lu Karlsson Agenda  Background  Engine Information  Test Programme  Results  Summary

Hua Lu Karlsson  Background  Two golden engines used in Inter-laboratory Exercise are Euro III with DPF  Engine wish list  Two Scania Euro V (EEV), one with SCR and one with EGR and partial flow filter  Supply data for PMP heavy duty programme

Hua Lu Karlsson  Engine Information CO (g/kWh)HC (g/kWh)NOx (g/kWh)PM (g/kWh) ESC1,50,252,00,02 ETC3,00,402,00,02 EEV limits

Hua Lu Karlsson  Engine Information ModelDC9, EURO 5, EEVDC12, EURO 5, EEV Engine typeInline 5-cyl, EGRInline 6-cyl Displacement9,29 dm 3 12,75 dm 3 Compression ratio17:0118:01 Maximum power206 kW/1900 rpm309 kW/1800 rpm Maximum torque1400 Nm/1100 rpm2100 Nm/1100 rpm After treatmentPMFC (PM filter catalyst)SCR (Selective Catalytic Reduction)

Hua Lu Karlsson  Eight days test according to Inter-laboratory Exercise Guideline  PN measurement using APC 489  Partial flow system using AVL SPC 472 add on  Performed at AVL MTC, same test bench as validation programme  Test Programme DC 929 DC 1222  PM and PN sampling from full flow system  PM and PN sampling from full flow system and partial flow system

Hua Lu Karlsson  Results  PN emissions (CVS)

Hua Lu Karlsson  Results  PM emissions (CVS)

Hua Lu Karlsson  Results  DC1222 PN emissions (full and partial flow)

Hua Lu Karlsson  Results  DC1222 PM emissions (full and partial flow)

Hua Lu Karlsson  Results  PM/PN correlation (DC929)

Hua Lu Karlsson  Results  PM/PN correlation (DC1222)

Hua Lu Karlsson  Results  Fuel consumption

Hua Lu Karlsson  Summary  Two Scania Euro 5 engines, one with partial flow and one with SCR, were tested using PMP HD inter-laboratory Exercise programme.  The results show the potential of reaching Euro 6 PM limit with partial flow filter or SCR.  The Euro 6 PM 10 mg/kWh indicates a PN level of 3x10 13 #/kWh.  Good repeatability of PN and PM measurement were achieved.  There is a good correlation between full flow and partial flow PM and PN measurement.