Comparison of PEMS and Laboratory Non-road Exhaust Emissions Employing Identical Real World Operation Load Profile
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1 Comparison of PEMS and Laboratory Non-road Exhaust Emissions Employing Identical Real World Operation Load Profile Stefan Mussotter Saeed Abolhasani Tobias Pabst Dirk Trenkelbach Felix Amann Manfred Bals 5 th CE-CERT International Conference&Workshop Riverside, CA March 26&27, 2015
2 Agenda 1. About MTU 2. Test cell, emission measurement equipment 3. Real Life load profiles on test cell 4. PEMS vs. PEMS vs. AMA i60 5. ECU-Data vs. test cell measured 6. Summary Page 2 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015 MTU Friedrichshafen GmbH Alle rights Rechte reserved vorbehalten
3 1. About MTU Page 3 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
4 1. About MTU cont d Business Unit Engines Marine Industrial Defense Oil & Gas Business Unit Onsite Energy & Components Gas Systems Injection Systems Continuous Power Highspeed Engines Medium Speed Engines Page 4 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
5 2. Test cell, PEMS Test Conditions: - Transient test bench compliant - Gas-Emissions: AVL AMA i60 - Tier 4 test engine, 1864 kw PEMS #1 and #2: AVL M.O.V.E System - GAS-PEMS - CO, CO2 (NDIR) - THC (FID) - NO and NO2 (NDUV) - PM-PEMS - Soot measurement + gravimetric PM measurement - System Control (Central data acquisition + amb. cond.) Note: Mass emissions were calculated using fuel rate and carbon balance Page 5 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
6 3. Real Life Load Profiles - Mining Truck Mining Truck 4 NTE-Events Logpt [sec] Source of data: - PAMS performed on a mining truck at Elko, Nevada Page 6 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
7 3. Real Life Load Profiles - Excavator Excavator 14 NTE-Events Logpt [sec] Source of data: - PAMS performed on an excavator in Australia Page 7 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
8 4. Truck Profile: PEMS vs. PEMS vs. AMA i60 Calculation according 40 CFR 86 HDIUT (NTE Events) Deviation between PEMS units compare to AMA i60 in g/kwh and ppm Page 8 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
9 4. Truck Profile: PEMS vs. PEMS vs. AMA i60 Calculation according 40 CFR 86 HDIUT (NTE Events) Deviation between PEMS units compare to AMA i60 in mg/kwh and ppm Page 9 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
10 4. Truck Profile: PEMS vs. PEMS vs. AMA i60 Calculation according 40 CFR 86 HDIUT (NTE Events) Deviation between PEMS units compare to AMA i60 in g/kwh and ppm Page 10 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
11 4. Truck Profile: PEMS vs. PEMS vs. AMA i60 Calculation according 40 CFR 86 HDIUT (NTE Events) Deviation between PEMS units compare to AMA i60 in g/kwh and vol % Page 11 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
12 4. Truck Profile: PEMS vs. PEMS Calculation according 40 CFR 86 HDIUT (NTE Events) Deviation between PEMS units in mg/kwh Page 12 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
13 5. ECU-Data vs. test cell measured Fuel and torque measurements vs. ECU values (calculated) Power: calculated (ECU) vs. measured Truck Load Profile Excavator Load Profile Remark: this conclusion is only based on results on only one Tier 4 test engines (limited data). Page 13 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
14 5. ECU-Data vs. test cell measured Fuel and torque measurements vs. ECU values (calculated) Fuel rate: calculated (ECU) vs. measured Truck Load Profile Excavator Load Profile Remark: this conclusion is only based on results on only one Tier 4 test engines (limited data). Page 14 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
15 6. Summary 1. What we have observed: PEMS vs. AMA represented a good agreement in NTE-Events. PEMS vs. PEMS represented a good agreement in NTE-Events. Fuel rate & torque data represented a good agreement when comparing ECU-Data (calculated) vs measured. 2. Future work: Look into alternative use of PEMS Preparing for near future nonroad in-use testing, we need to: 1. Conduct more in-use testing using PEMS Page 15 5 th CE-CERT PEMS International Conference & Workshop Riverside, CA March 26 & 27, 2015
16 Thank you very much for your attention. QUESTIONS?
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