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Comparison of PM and PN Emissions from Two Scania Euro V Engines

This study compares particulate matter (PM) and particle number (PN) emissions from two Scania Euro V engines, highlighting the effectiveness of partial flow filter and selective catalytic reduction (SCR). The results demonstrate the potential to meet Euro 6 standards and reveal a correlation between PM and PN measurements.

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Comparison of PM and PN Emissions from Two Scania Euro V Engines

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

  2. Agenda • Background • Engine Information • Test Programme • Results • Summary

  3. 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

  4. Engine Information EEV limits

  5. Engine Information

  6. Test Programme • 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 DC 1222 DC 929 • PM and PN sampling from full flow system • PM and PN sampling from full flow system and partial flow system

  7. Results • PN emissions (CVS)

  8. Results • PM emissions (CVS)

  9. Results • DC1222 PN emissions (full and partial flow)

  10. Results • DC1222 PM emissions (full and partial flow)

  11. Results • PM/PN correlation (DC929)

  12. Results • PM/PN correlation (DC1222)

  13. Results • Fuel consumption

  14. 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 3x1013 #/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.

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