Motor Vehicle Emission Modeling and Software Simulation Computing for Roundabout in Urban City

Table 4

Rate of instantaneous vehicle emission quality under light vehicles specific power ranges.

Ranges of VSP	Range of values	CO (mg/s)	HC (mg/s)	NOx (mg/s)
1	VSP < −10	1.9037	0.0659	0.3433
2	−10 ≤ VSP < 2	2.0903	0.1032	0.5041
3	−2 ≤ VSP < 0	2.5399	0.1589	0.5559
4	0 = VSP	1.9546	0.2456	0.5889
5	1 ≤ VSP < 3	2.3780	0.1938	0.7026
6	3 ≤ VSP < 5	2.2679	0.3001	0.8429
7	5 ≤ VSP < 9	2.9534	0.3329	1.0572
8	9 ≤ VSP < 13	4.0731	0.4380	1.1759
9	13 ≤ VSP < 17	3.9956	0.5469	1.3584
10	17 ≤ VSP < 20	4.5140	0.5177	1.4520
11	20 ≤ VSP	4.2339	0.5065	1.4531