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- Title
Majorization of working parameters for non-thermal plasma reactor and impact on no oxidation of diesel engine.
- Authors
Wang, J.; He, T.; Li, C.
- Abstract
The main target of this work is to realize the function of pre-oxidizing NO from diesel engine's exhaust by using self-designed double-dielectric Non-thermal Plasma (NTP) reactor. The majorized discharge frequency and discharge peak to peak voltage (V) range for NTP reactor were obtained through air discharge test. The diesel engine test bench was established to observe the effect of NTP on the volume fraction of NO. The results showed that there were more active substances and fewer by-products in NTP reactor when discharge frequency was 9 kHz and V was between 9 kV and 23 kV; Exhaust flows had insignificant effect on the performance of NTP pre-oxidizing NO; The ability of NTP to pre-oxidize NO gradually weakened with the increase of engine load, and when the engine load were 0 % and 25 %, the ratio of NO/NO could reach 1. In such working conditions, SCR system could improve the conversion rate of the NO at low-temperature zone through quick reaction combined with NTP.
- Subjects
NON-thermal plasmas; DIESEL motors; OXIDATION; NITROGEN oxides; LOW temperatures
- Publication
International Journal of Automotive Technology, 2017, Vol 18, Issue 2, p229
- ISSN
1229-9138
- Publication type
Article
- DOI
10.1007/s12239-017-0022-8