Pulsed Discharge Regeneration of Diesel Particulate Filters

Pulsed Discharge Regeneration of Diesel Particulate Filters
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柴油颗粒过滤器的脉冲放电再生

DOI:
10.1007/s11090-013-9433-0
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发表时间:
2013
影响因子:
3.6
通讯作者:
Graupner K
Graupner K
中科院分区:
工程技术3区
文献类型:
--
作者:
Graupner K

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提出了一种利用脉冲放电去除柴油机微粒过滤器烟尘的新方法。通过一系列火花间隙将持续时间为18至25千伏、脉冲能量通常为100-200兆焦耳的高压脉冲施加到滤波器上。烟灰层最初的缓慢侵蚀是通过微放电的形成进行的。随后的火花放电从更大的过滤器体积中更有效地去除累积的烟灰。通过优化电极几何形状和击穿电压,在50 Hz击穿频率下,平均除烟率达到0.1-0.2 g/min。在发动机上进行的长期试验表明,脉冲放电除灰可靠、高效、均匀;在18个过滤器再生循环中,总共沉积和除去了100克烟尘。
A novel method for the removal of soot from a diesel particulate filter using pulsed electric discharges is presented. High voltage pulses of between 18 and 25 kV of nano to microsecond duration and with pulse energies of typically 100–200 mJ were applied to the filter via a series spark gap. Initial slow erosion of the soot layer proceeds via the formation of microdischarges. Subsequent spark discharges removed the accumulated soot more effectively from a larger filter volume. Average soot removal rates of ∼0.1–0.2 g/min were achieved at 50 Hz breakdown frequency by optimizing both electrode geometry and breakdown voltage. On-engine long term testing of the technology showed soot removal by pulsed discharge to be reliable, efficient and uniform; a total of 100 g of soot was deposited and removed over 18 filter regeneration cycles.
使用采用热泳粒子沉积的电阻率传感器装置检测烟灰
DOI: --
发表时间: 2010
期刊: J. Sensors
影响因子: --
作者:
D. Lutic;J. Pagels;R. Bjorklund;Peter Josza;J. Visser;A. Grant;M. Johansson;J. Paaso;P. Fägerman;M. Sanati;A. Spetz
通讯作者: A. Spetz
使用表面介质阻挡放电进行柴油颗粒处理
DOI: --
发表时间: 2008
影响因子: 1.5
作者:
N. Zouzou;C. Agbangla;E. Moreau;G. Touchard
通讯作者: G. Touchard