Jan Gåsste, AVL MTC Hua Lu-Karlsson, Scania London, 2009-03-30 PMP Heavy-Duty Inter ‑ Laboratory Exercise Validation Exercise at AVL MTC.

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Presentation transcript:

Jan Gåsste, AVL MTC Hua Lu-Karlsson, Scania London, PMP Heavy-Duty Inter ‑ Laboratory Exercise Validation Exercise at AVL MTC

2Jan Gåsste, AVL MTC,  Background  Test Setup  Results  Summary Validation Exercise at AVL MTC

3Jan Gåsste, AVL MTC, This study is a part of the PMP Validation Program and it is financed by the Swedish Road Administration. The validation program stipulated the use of both full flow and partial flow systems. Three different PMP-systems were used for PN measurements at our location. Background

4Jan Gåsste, AVL MTC, Test Setup

5Jan Gåsste, AVL MTC, Test Programme Day 0Day 1-8Day 9 Oil changeIFV LCCold WHTC 10 min soak warm WHTC 10 min mode #9 (WHSC) WHSC CP ETC CP 3 x ETCESC PrepPC Prep no Prep LC Lubricant conditioning IFV Instrument functional verification WHTC World Harmonised Transient Cycle WHSC World Harmonised Steady State Cycle ETC European Transient Cycle ESC European Steady State Cycle CP Continuity Protocol (5 min mode #7 (ESC) and 3 min idle) PC Full load curve Prep 15 min at mode #10 and 30 min at mode #7 (ESC)

6Jan Gåsste, AVL MTC, Results PM Emission Measurement

7Jan Gåsste, AVL MTC, Results PN Emission Measurement with the Golden Instruments

8Jan Gåsste, AVL MTC, Results: PN Emission Measurement with SPCS 19 & APC489 from CVS

9Jan Gåsste, AVL MTC, Results: On Line PN Emission Measurements in cold WHTC test with all instruments

10Jan Gåsste, AVL MTC, Results: On Line PN Emission Measurements in the ESC test with all instruments Idle

11Jan Gåsste, AVL MTC, WHSC showed lower PN-emissions compared to ESC and the ETC showed lower emissions than both the warm and the cold WHTC The Full Flow System showed higher PM-emissions compared to the partial flow system and poor correlation between the two sampling systems at this low PM levels. The Full Flow System showed higher PN-emissions compared to the partial flow system for all cycles except the cold WHTC and good correlation between the two sampling systems. Good correlation was shown between the Golden Instrument and our extra APC489 system. The online data had a similar trace independent of the manufacturer of the PMP-system. This indicates that the PMP method is robust. Summary / Conclusions PM emissions generally very low with the tested engine.

12Jan Gåsste, AVL MTC, Questions? Don’t hesitate to contact… Jan Gåsste COO AVL MTC P.O. Box 223, SE Haninge Sweden Phone: Direct: Fax: Home page: