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Modal analysis of diluted and undiluted exhaust
Continuous harmful gas exhaust component emission measurements at a frequency of 10 Hz over various drive cycles (NEDC, WLTC, FTP-75, HFET, US06, SC03, JC08, RDE simulation, or custom cycles).
Diluted exhaust measurement – 1 sampling point downstream of the vehicle.
Diluted exhaust concentration measurement: CO, CO2, NO, NOx, THC
Diluted exhaust emission calculations: CO, CO2, NO, NOx, THC
Undiluted exhaust measurement – any 2 sampling points, beginning with the engine exhaust manifold to a sampling point downstream of the vehicle.
Undiluted exhaust concentration measurement: CO, CO2, O2, NO, NOx, NO2, THC, CH4
Undiluted exhaust emission calculations: CO, CO2, O2, NO, NOx, NO2, THC, CH4
In the graph: Efficiency of the catalytic system (on the example of CO emissions) - based on the modal analysis of undiluted exhaust gas
Equipment - Laboratory No. 1:
- Exhaust emissions analysis system – AVL AMA i60 D1 LE
- Exhaust emissions analysis system – AVL AMA i60 R2
- Emissions sampling system – AVL CVS i60 LD LE
- Particle matter sampling system – AVL PSS i60 SD
- Solid particle counter – AVL 489 APC plus
- Climatic chamber from +14°C to +30°C
- Chassis dyno – AVL 2WD
Equipment - Laboratory No. 2
- Exhaust emissions analysis system – HORIBA MEXA 7400 HTRLE
- Exhaust emissions analysis system – HORIBA MEXA 7500 DEGR
- Emissions sampling system – HORIBA CVS 7400 S
- Particle matter sampling system – HORIBA DLS 7100 E
- Solid particle counter – HORIBA MEXA-2000 SPCS
- Climatic chamber – WEISS WK 643’/35-60/Ro, with temperature range from -35°C to +60°C
- Chassis dyno – AVL 4WD
