[1]肖鸽,田华,隆武强.“HRT”非对称孔道颗粒捕集器压降特性[J].哈尔滨工程大学学报,2021,42(2):220-226.[doi:10.11990/jheu.201907033]
 XIAO Ge,TIAN Hua,LONG Wuqiang.Pressure drop characteristics of the hexagon rectangle triangle (HRT)-type asymmetric channel particulate filter[J].Journal of Harbin Engineering University,2021,42(2):220-226.[doi:10.11990/jheu.201907033]
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
42
期数:
2021年2期
页码:
220-226
栏目:
出版日期:
2021-02-05

文章信息/Info

Title:
Pressure drop characteristics of the hexagon rectangle triangle (HRT)-type asymmetric channel particulate filter
作者:
肖鸽 田华 隆武强
大连理工大学 能源与动力学院, 辽宁 大连 116024
Author(s):
XIAO Ge TIAN Hua LONG Wuqiang
School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China
关键词:
内燃机排放颗粒捕集器非对称孔道碳烟压降数值模拟
分类号:
TK411.5/421.5
DOI:
10.11990/jheu.201907033
文献标志码:
A
摘要:
为有效控制颗粒捕集器压降,延长清灰里程,本文提出了一种“HRT”非对称孔道结构颗粒捕集器。搭建了“HRT”非对称孔道和其他类型孔道的一维计算模型,对比分析了颗粒捕集器孔道内流动及压降变化情况。研究结果表明:不同孔道边长比下“HRT”非对称孔道结构的压降性能存在一定差异,孔道边长比为3.0时压降性能最好,且孔道内碳烟分布均匀;HRT3.0结构能够有效增加过滤壁面表面积和过滤壁面容积占比,有利于降低过滤壁面压降和滤饼层压降;不同排气流量下HRT3.0结构的压降性能均优于SQ和SQ1.4结构,排气流量越大HRT3.0结构的绝对压降下降越多。在发动机额定工况下,当碳载量为8 g/L时,HRT3.0结构的总压降比SQ结构低20.9%,比SQ1.4低9.4%。

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备注/Memo

备注/Memo:
收稿日期:2019-07-08。
基金项目:工业和信息化部高技术船舶项目([2012]540).
作者简介:肖鸽,男,博士研究生;隆武强,男,教授,博士生导师.
通讯作者:隆武强,E-mail:longwq@dlut.edu.cn.
更新日期/Last Update: 2021-02-27