汽车工程 ›› 2023, Vol. 45 ›› Issue (3): 438-450.doi: 10.19562/j.chinasae.qcgc.2023.03.011
所属专题: 发动机&排放专题2023年
收稿日期:
2022-08-28
修回日期:
2022-09-23
出版日期:
2023-03-25
发布日期:
2023-03-22
通讯作者:
陈朝辉
E-mail:chenzhaohuiok@sina.com
基金资助:
Wei Zhang1,Long Jiang1,Liping Meng1,Zehong Li1,Zhaohui Chen1(),Zhijun Li2
Received:
2022-08-28
Revised:
2022-09-23
Online:
2023-03-25
Published:
2023-03-22
Contact:
Zhaohui Chen
E-mail:chenzhaohuiok@sina.com
摘要:
为研究柴油机颗粒捕集器(DPF)内由积灰形成的灰塞对颗粒(PM)捕集特性的影响,构建DPF孔道及灰塞的CFD模型,采用连续相耦合离散相方法,研究灰塞的堵塞比、长度、位置、数量对DPF孔道内的流场及PM捕集特性的影响。结果表明:对于DPF孔道内的气流运动而言,灰塞的位置和堵塞比对压降的贡献大于数量和长度,尤其是第1个灰塞的分布位置对压降具有决定性作用。灰塞会改变DPF内PM的沉积模式,受“突扩效应”影响在灰塞出口端的回流区会加剧PM分布的不均匀性。孔道内灰塞分布前移,会使PM的沉积不均匀,随灰塞分布后移,PM沉积逐渐前移且分布更均匀。
张韦,蒋龙,孟丽苹,李泽宏,陈朝辉,李志军. DPF内灰塞分布对颗粒捕集特性的影响[J]. 汽车工程, 2023, 45(3): 438-450.
Wei Zhang,Long Jiang,Liping Meng,Zehong Li,Zhaohui Chen,Zhijun Li. Influence of Ash Plug Distribution in DPF on Particle Trapping Characteristics[J]. Automotive Engineering, 2023, 45(3): 438-450.
1 | MENG Z, CHEN C, LI J, et al. Particle emission characteristics of DPF regeneration from DPF regeneration bench and diesel engine bench measurements[J]. Fuel, 2020, 262: 116589. |
2 | 张韦, 陈朝辉, 孔孟茜, 等. 柴油机催化型颗粒捕集器喷油助燃再生特征[J]. 农业工程学报, 2019, 35(8): 92-99. |
ZHANG W, CHEN Z H, KONG M X, et al. Bench test of regeneration characteristics of catalyzed diesel particulate filter based on fuel injection combustion system[J]. Transactions of the Chinese Society of Agricultural Engineering, 2019, 35(8): 92-99. | |
3 | BAGI S, SINGH N, ANDREW R. Investigation into ash from field returned DPF units: composition, distribution, cleaning ability and DPF performance recovery[C]. SAE Paper 2016-01-0928. |
4 | LIU Y, SU C, CLERC J, et al. Experimental and modeling study of ash impact on DPF backpressure and regeneration behaviors[J]. SAE International Journal of Engines, 2015, 8(3): 1313-1321. |
5 | 潘金冲, 华伦, 张文彬, 等. 润滑油灰分对直喷汽油车GPF性能影响的试验研究[J]. 汽车工程, 2019, 41(5): 487-492,513. |
PAN J C, HUA L, ZHANG W B, et al. An experimental study on the impact of lubricant ash on gasoline particle filter performance of GDI vehicle[J]. Automotive Engineering, 2019, 41(5): 487-492,513. | |
6 | STRZELEC A, BILHEUX H Z, FINNEY C E A, et al. Neutron imaging of diesel particulate filters[C]. SAE Paper 2009-01-2735. |
7 | ISHIZAWA T, YAMANE H, SATOH H, et al. Investigation into ash loading and its relationship to DPF regeneration method[C]. SAE Paper 2009-01-2882. |
8 | DITTLER A. Ash transport in diesel particle filters[C]. SAE Paper 2012-01-1732. |
9 | MATSUNO M, KITAMURA T. Direct visualization of soot and ash transport in diesel particulate filters during active regeneration process[C]. SAE Paper 2019-01-2287. |
10 | 陈贵升, 李青, 吕誉, 等. 灰分及载体结构对DPF内部流场及压降特性的影响[J]. 汽车工程, 2020, 42(10): 1346-1353,1377. |
CHEN G S, LI Q, LÜ Y, et al. Effects of ash and carrier structure on the internal flow field and pressure drop characteristics of DPF[J]. Automotive Engineering, 2020, 42(10): 1346-1353,1377. | |
11 | WANG Y, OBUCHI Y, ZHANG J, et al. Experiments and analyses on stability/mid-channel collapse of ash-deposit wall layers and pre-mature clogging of diesel particulate filters[C]. SAE Paper 2019-01-0972. |
12 | KAMP C J, BAGI S, WANG Y. Phenomenological investigations of mid-channel ash deposit formation and characteristics in diesel particulate filters[C]. SAE Paper 2019-01-0973. |
13 | WANG Y, KAMP C J, WANG Y, et al. The origin, transport, and evolution of ash in engine particulate filters[J]. Applied Energy, 2020, 263: 114631. |
14 | SAPPOK A, WANG Y, WANG R Q, et al. Theoretical and experimental analysis of ash accumulation and mobility in ceramic exhaust particulate filters and potential for improved ash management[J]. SAE International Journal of Fuels and Lubricants, 2014, 7(2): 511-524. |
15 | FUKUI R, OKAMOTO Y, NAKAO M, et al. Experimental analysis of sudden pressure increase phenomenon by real-time internal observation of diesel particulate filter[J]. Journal of Engineering for Gas Turbines and Power, 2016, 138(10): 102803-102807. |
16 | WANG Y, WONG V. Quantitative analysis of ash density and ash distribution inside DPF honeycomb channels based on X-ray computed tomography[C]. SAE Paper 2019-01-0979. |
17 | WANG Y, WANG B, KAMP C J, et al. In-situ measurements of engine particulate filter ash deposits via X-ray computed tomography scanning[J]. Aerosol Science and Technology, 2021, 55(8): 943-956. |
18 | ZHANG X G, TENNISION P, RUONA W. 3D numerical study of pressure Loss characteristics and filtration efficiency through a frontal unplugged DPF[J]. SAE International Journal of Fuels & Lubricants, 2010, 3(1): 177-193. |
19 | WANG Y, KAMP C. The effects of mid-channel ash plug on DPF pressure drop[C]. SAE Paper 2016-01-0966. |
20 | 李志军, 侯普辉, 焦鹏昊, 等. DPF孔道内流场及微粒沉积特性的数值模拟[J]. 天津大学学报(自然科学与工程技术版), 2015, 48(10): 914-920. |
LI Z J, HOU P H, JIAO P H, et al. Numerical simulation for flow and soot accumulation in the channels of diesel particulate filter[J]. Journal of Tianjin University(Science and Technology) 2015, 48(10): 914-920. | |
21 | 朱亚永, 赵昌普, 王耀辉, 等. 柴油机DPF流场压降及微粒沉积特性数值模拟[J]. 内燃机学报, 2017, 35(6): 538-547. |
ZHU Y Y,ZHAO C P,WANG Y H,et al. Numerical simulation of pressure-drop and soot particle accumulation performance of a diesel engine DPF[J]. Transactions of CSICE, 2017, 35(6): 538-547. |
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