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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kwak, J. H. Kim, H. S. Lee, J. H. Lee, S. H. |
| Copyright Year | 2014 |
| Abstract | We designed and applied a mobile emission laboratory for on-road measurements of exhaust particles emitted from conventional diesel, compressed natural gas (CNG), liquefied petroleum gas (LPG), and dimethyl ether (DME)-fueled vehicles. Fuel type and vehicle driving conditions significantly affected the particle size distribution and the number concentrations of the nucleation mode. For all buses, the size distributions of particles in the exhaust under idling conditions had larger mode diameters than at constant speed conditions of 50 km/h or 80 km/h. The nucleation mode (< 50 nm) fraction of diesel, CNG, LPG, and DME at a constant speed of 50 km/h was 53%, 63%, 79%, and 99%, respectively, indicating that the DME-fueled bus emitted the most nanoparticles. As the vehicle speed increased from 50 km/h to 80 km/h, the nucleation mode fraction of diesel, CNG, LPG, and DME changed to 43%, 99%, 99%, and 99%, representing a significant increase in the number concentrations of nanoparticles in the CNG and LPG-fueled vehicles. The particle size distributions in the exhaust of diesel, CNG, LPG, and DME-fueled vehicles were not affected by increase in the chasing distance. |
| Starting Page | 543 |
| Ending Page | 551 |
| Page Count | 9 |
| File Format | |
| ISSN | 12299138 |
| Journal | International Journal of Automotive Technology |
| Volume Number | 15 |
| Issue Number | 4 |
| e-ISSN | 19763832 |
| Language | English |
| Publisher | The Korean Society of Automotive Engineers |
| Publisher Date | 2014-05-28 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Mobile emission laboratory (MEL) Car chasing Darticulate matter (PM) Nano-particle Size distributions Automotive Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Automotive Engineering |
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