This paper uses the flow boundary layer theory and mass transfer theory to analyze the CO gas flow state and CO mass transfer course in catalytic converter honeycomb holes,and illustrate the intrinsic mechanism of CO airspeed performance.

• 应用流体附面层理论和质量传输的基本原理分析了三元催化转化器蜂窝孔内的CO气体流动和质量传输的过程 ；解释了三元催化转化器CO空速特性的内在机理 .