A Comparative Energetic Analysis of Active and Passive Emission Control Systems Adopting Standard Emission Test Cycles

Table 2

First steady-state test cycle.

Mode	Engine speed (rpm)	Time (min)	Exhaust temperature (°C)	Mass flow rate (kg/s)
1	1000	2	434	0.022
2	1500	2	464	0.055
3	2000	2	495	0.083
4	2500	2	525	0.106
5	3000	2	556	0.127
6	3500	2	586	0.143
7	4000	2	616	0.157
8	3500	2	586	0.143
9	3000	2	556	0.127
10	2500	2	525	0.106
11	2000	2	495	0.083
12	1500	2	464	0.055
13	1000	2	434	0.022