Fig. 1 schematic of NOx logger and PEMS
Fig. 2 Map of KNUT route for RDE
Fig. 4 Correlation result between CVS and PEMS equipment in laboratory tests
Fig. 5 Real-time of NOx emissions and temperature and NOx conversion efficiency of CASE 1 under Hot start
Fig. 6 Real-time of NOx emissions and temperature and NOx conversion efficiency of CASE 2 under Cold start
Fig. 7 NOx efficiency of conversion according to MAW method
Fig. 8 NOx emission characteristics after engine turbo accordiong to ambient temperature
Fig. 9 NOx efficiency of conversion according to ambient temperature in motorway part
Fig. 10 Distribution of NOx with SCR before temp. and NOx conversion efficiency in Hot-start
Fig. 12 NOx emissions of EGR vs. RPM under Hot start
Fig. 3 CO2 Characteristics of MAW method
Fig. 11 Distribution of NOx with SCR before temp. and NOx conversion efficiency in Cold-start
Fig. 13 NOx emissions of EGR vs. RPM under Cold start
Table 1 Specifications of test vehicle
Table 2 Specifications of PEMS equipment
Table 3 Specifications of NOx sensor
Table 4 Trip summary of KNUT route
Table 6 NOx emissions of CASE 1
Table 7 NOx emissions of CASE 2
Table 8 NOx conversion efficiency according to the SCR before temp. under Hot-start
Table 9 NOx conversion efficiency according to the SCR before temp. under Cold-start
Table 5
References
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