Table 4.
Statistical parameters including CMD, σ, and total concentrations for size distributions of aerosols measured with FMPS at the downstream measurement and sampling station (DMSS) for HD vehicles (actual ventilation rates).
| Nucleation Mode | Agglomeration Mode | ||||||
|---|---|---|---|---|---|---|---|
| Vehicle (Exhaust Configuration) | Time Instance s |
CMD, nm |
σ – |
Total Conc., #/cm3 |
CMD, nm |
σ – |
Total Conc., #/cm3 |
| P1 | 2,000 | 67.5 | 1.590 | 1.46E + 06 | |||
| P2 | 2,000 | 83.0 | 1.480 | 1.57E + 06 | |||
| P3 | 1,200 | 8.2 | 1.520 | 7.31E + 04 | 93.1 | 1.500 | 1.80E + 06 |
| P3 (DFE) | 3,000 | 78.2 | 1.510 | 1.63E + 05 | |||
| NP1 | 2,000 | 68.6 | 1.470 | 1.31E + 06 | |||
| 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 |
| NP3 | 900 | 111.8 | 1.630 | 2.09E + 06 | |||