山东建筑大学学报2012，Vol.27Issue(4)：390-392,415,4.
柴油机选择性催化还原后处理系统的数值模拟
Numerical simulation of SCR exhaust aftertreatment system of diesel
陈代金 1郑明刚 2许伯彦 2张现成2
作者信息
- 1. 山东建筑大学热能工程学院,山东济南250101
- 2. 山东建筑大学机电工程学院,山东济南250101
- 折叠
摘要
Abstract
A modeling approach to 32. 5% urea water SCR system is presented with aid of CFD coupled with reaction dynamics. On the basis of the feasibility of the model, numerical analysis is made of four different urea addition programs. Results show that the simulation result is consistent with the experimental data. With the hole injection, the NOx reduction efficiency is higher than that with the pintle injection. With more holes, more uniform distribution can be got. The reverse injection along the exhaust pipe axis is superior to the vertical injection.关键词
选择性催化还原(SCR)/数值模拟/32.5％尿素水/氮氧化物Key words
SCR/ numerical simulation/ 32.5% urea water/ NOx分类
能源科技引用本文复制引用
陈代金,郑明刚,许伯彦,张现成..柴油机选择性催化还原后处理系统的数值模拟[J].山东建筑大学学报,2012,27(4):390-392,415,4.
