School;
of;
Mechanical;
Engineering,;
Beijing;
Institute;
of;
Technology,;
Beijing;
100081,;
China;
Department;
of;
Mechanical;
Engineering,;
University;
of;
Engineering;
and;
Technology,;
Lahore;
54000,;
Pakistan;
催化剂; 三维仿真; 脱硝; 尿素; 柴油机; 可控硅; 低氮氧化物; 选择性催化还原;