Effect of indirect non-thermal plasma on particle size distribution and composition of diesel engine particles
To explore the effect of the gas source flow rate on the actual diesel exhaust particulate matter（PM）, a test bench for diesel engine exhaust purification was constructed, using indirect nonthermal plasma technology. The effects of different gas source flow rates on the quantity concentration, compo...
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| Published in | Plasma science & technology Vol. 19; no. 11; pp. 59 - 66 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
IOP Publishing
01.11.2017
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1009-0630 1009-0630 |
| DOI | 10.1088/2058-6272/aa7f6e |
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| Abstract | To explore the effect of the gas source flow rate on the actual diesel exhaust particulate matter（PM）, a test bench for diesel engine exhaust purification was constructed, using indirect nonthermal plasma technology. The effects of different gas source flow rates on the quantity concentration, composition, and apparent activation energy of PM were investigated, using an engine exhaust particle sizer and a thermo-gravimetric analyzer. The results show that when the gas source flow rate was large, not only the maximum peak quantity concentrations of particles had a large drop, but also the peak quantity concentrations shifted to smaller particle sizes from 100 nm to 80 nm. When the gas source flow rate was 10L min^-1, the total quantity concentration greatly decreased where the removal rate of particles was 79.2%, and the variation of the different mode particle proportion was obvious. Non-thermal plasma（NTP） improved the oxidation ability of volatile matter as well as that of solid carbon. However, the NTP gas source rate had little effects on oxidation activity of volatile matter, while it strongly influenced the oxidation activity of solid carbon. Considering the quantity concentration and oxidation activity of particles, a gas source flow rate of 10L min^-1 was more appropriate for the purification of particles. |
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| AbstractList | To explore the effect of the gas source flow rate on the actual diesel exhaust particulate matter (PM), a test bench for diesel engine exhaust purification was constructed, using indirect non-thermal plasma technology. The effects of different gas source flow rates on the quantity concentration, composition, and apparent activation energy of PM were investigated, using an engine exhaust particle sizer and a thermo-gravimetric analyzer. The results show that when the gas source flow rate was large, not only the maximum peak quantity concentrations of particles had a large drop, but also the peak quantity concentrations shifted to smaller particle sizes from 100 nm to 80 nm. When the gas source flow rate was 10 L min−1, the total quantity concentration greatly decreased where the removal rate of particles was 79.2%, and the variation of the different mode particle proportion was obvious. Non-thermal plasma (NTP) improved the oxidation ability of volatile matter as well as that of solid carbon. However, the NTP gas source rate had little effects on oxidation activity of volatile matter, while it strongly influenced the oxidation activity of solid carbon. Considering the quantity concentration and oxidation activity of particles, a gas source flow rate of 10 L min−1 was more appropriate for the purification of particles. To explore the effect of the gas source flow rate on the actual diesel exhaust particulate matter（PM）, a test bench for diesel engine exhaust purification was constructed, using indirect nonthermal plasma technology. The effects of different gas source flow rates on the quantity concentration, composition, and apparent activation energy of PM were investigated, using an engine exhaust particle sizer and a thermo-gravimetric analyzer. The results show that when the gas source flow rate was large, not only the maximum peak quantity concentrations of particles had a large drop, but also the peak quantity concentrations shifted to smaller particle sizes from 100 nm to 80 nm. When the gas source flow rate was 10L min^-1, the total quantity concentration greatly decreased where the removal rate of particles was 79.2%, and the variation of the different mode particle proportion was obvious. Non-thermal plasma（NTP） improved the oxidation ability of volatile matter as well as that of solid carbon. However, the NTP gas source rate had little effects on oxidation activity of volatile matter, while it strongly influenced the oxidation activity of solid carbon. Considering the quantity concentration and oxidation activity of particles, a gas source flow rate of 10L min^-1 was more appropriate for the purification of particles. |
| Author | 顾林波;蔡忆昔;施蕴曦;王静;濮晓宇;田晶;樊润林 |
| AuthorAffiliation | School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, People＇s Republic of China |
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| Cites_doi | 10.1007/s11090-008-9121-7 10.1016/j.scitotenv.2013.11.041 10.1007/s11090-005-6817-9 10.7652/xjtuxb201609012 10.1016/j.fuel.2013.08.074 10.1109/TPS.2013.2270015 10.1109/TDEI.2004.1306726 10.1080/01919518808552391 10.3969/j.issn.1002-6819.2013.16.007 10.1109/TIA.2010.2071070 10.1007/s11090-016-9701-x 10.1109/TIA.2014.2358798 10.1016/j.tsf.2006.02.071 10.1016/j.combustflame.2013.03.013 10.13334/j.0258-8013.pcsee.2007.02.011 10.1016/j.atmosenv.2015.02.077 10.1016/j.fuel.2017.04.029 10.1016/j.cej.2015.04.086 10.1016/j.energy.2006.04.011 10.1016/j.scitotenv.2017.04.079 10.1016/j.apenergy.2014.02.031 10.1016/j.atmosenv.2012.01.028 10.1007/s12239-014-0091-x 10.1063/1.1346631 |
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| Notes | diesel engine, particulate matter, non-thermal plasma, gas source flow rate To explore the effect of the gas source flow rate on the actual diesel exhaust particulate matter（PM）, a test bench for diesel engine exhaust purification was constructed, using indirect nonthermal plasma technology. The effects of different gas source flow rates on the quantity concentration, composition, and apparent activation energy of PM were investigated, using an engine exhaust particle sizer and a thermo-gravimetric analyzer. The results show that when the gas source flow rate was large, not only the maximum peak quantity concentrations of particles had a large drop, but also the peak quantity concentrations shifted to smaller particle sizes from 100 nm to 80 nm. When the gas source flow rate was 10L min^-1, the total quantity concentration greatly decreased where the removal rate of particles was 79.2%, and the variation of the different mode particle proportion was obvious. Non-thermal plasma（NTP） improved the oxidation ability of volatile matter as well as that of solid carbon. However, the NTP gas source rate had little effects on oxidation activity of volatile matter, while it strongly influenced the oxidation activity of solid carbon. Considering the quantity concentration and oxidation activity of particles, a gas source flow rate of 10L min^-1 was more appropriate for the purification of particles. Linbo GU,Yixi CAI,Yunxi SHI,Jing WANG,Xiaoyu PU,Jing TIAN,Runlin FAN（School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, People＇s Republic of China） 34-1187/TL PST-2017-0135.R2 Institute of Plasma Physics |
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| References | 23 24 25 27 Wei L S (9) 2016; 18 10 11 12 13 14 15 16 17 18 19 Yagi S (22) 1979; 12 1 2 3 4 5 6 7 8 20 Li B (26) 2013 21 |
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| SubjectTerms | diesel engine gas source flow rate non-thermal plasma particulate matter 低温等离子体技术 成分 挥发性物质 柴油机 质量浓度 间接 非热等离子体 颗粒粒径分布 |
| Title | Effect of indirect non-thermal plasma on particle size distribution and composition of diesel engine particles |
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