Table 6.
Statistical parameters including CMD, σ, and total concentrations for size distributions of aerosols measured with FMPS at the downstream measurement and sampling station (DMSS) at selected instances at actual ventilation rates for distributions shown in Figure 8.
| Nucleation Mode | Accumulation Mode | ||||||
|---|---|---|---|---|---|---|---|
| Vehicle (Exhaust Configuration) | Time Instance, s |
CMD, nm |
σ – |
Total Conc., #/cm3 |
CMD, nm |
σ – |
Total Conc., #/cm3 |
| P3 | 1,200 | 8.2 | 1.520 | 7.31E + 04 | 93.1 | 1.500 | 1.80E + 06 |
| P3 (DFEs) | 500 | 76.1 | 1.460 | 6.06E + 05 | |||
| 1,000 | 77.6 | 1.460 | 3.47E + 05 | ||||
| 2,000 | 79.7 | 1.490 | 2.84E + 05 | ||||
| 3,000 | 78.2 | 1.510 | 1.63E + 05 | ||||
| 4,000 | 79.5 | 1.490 | 1.60E + 05 | ||||
| 5,000 | 88.1 | 1.510 | 7.67E + 04 | ||||
| 6,000 | 74.3 | 1.750 | 4.18E + 04 | ||||
| 7,000 | 1.1 | 2.390 | 1.86E + 04 | 104.1 | 1.500 | 3.30E + 03 | |
| NP2 | 2,000 | 2.8 | 1.880 | 3.22E + 05 | 82.6 | 1.500 | 1.32E + 06 |
| NP2 (SMF) | 3,000 | 4.9 | 1.850 | 2.23E + 04 | 63.5 | 1.500 | 7.68E + 04 |
| 4,000 | 4.9 | 1.890 | 2.17E + 04 | 64.0 | 1.500 | 6.52E + 04 | |
| 5,000 | 60.7 | 1.500 | 1.17E + 05 | ||||
| 6,000 | 10.7 | 1.540 | 1.58E + 04 | 65.5 | 1.520 | 1.17E + 05 | |
| 7,000 | 11.7 | 1.270 | 3.41E + 03 | 65.6 | 1.520 | 9.76E + 04 | |
| LD4 | 4,000 | 63.5 | 1.750 | 3.36E + 03 | |||
| 5,340 | 10.9 | 1.140 | 1.85E + 03 | 37.9 | 1.840 | 9.75E + 03 | |
| 5,436 | 11.2 | 1.160 | 1.44E + 03 | 37.6 | 1.740 | 1.09E + 04 | |
| 5,700 | 11.7 | 1.220 | 2.05E + 03 | 42.7 | 1.610 | 1.30E + 04 | |
| 6,600 | 11.2 | 1.130 | 6.33E + 02 | 39.8 | 1.790 | 3.79E + 03 | |
| 7,200 | 10.7 | 1.210 | 3.21E + 03 | 28.3 | 1.680 | 1.30E + 04 | |