表  1  发动机排气参数

Table  1.   Parameters of engine exhaust

表  2  桶形催化消声器流场特性

Table  2.   Flow field characteristics of barrel shape catalytic muffler

表  3  模型1~3的前端面进气均匀性

Table  3.   Air inlet uniformities of front faces for models 1-3

表  4  模型1~3的进出口总压差

Table  4.   Total pressure differences between inlets and outlets for models 1-3

表  5  模型1、4、5的前端面进气均匀性

Table  5.   Air inlet uniformities of front faces for models 1, 4, 5

表  6  模型1、4、5的进出口总压差

Table  6.   Total pressure differences between inlets and outlets for models 1, 4, 5

表  7  不同进气管直径的载体前端面进气均匀性

Table  7.   Air inlet uniformities of carrier front faces for different inlet pipe diameters

表  8  不同进气管直径的进出口总压差

Table  8.   Total pressure differences between inlets and outlets for different inlet pipe diameters

表  9  不同排气管直径的载体前端面进气均匀性

Table  9.   Air inlet uniformities of carrier front faces for different outlet pipe diameters

表  10  不同排气管直径的进出口总压差

Table  10.   Total pressure differences between inlets and outlets for different outlet pipe diameters

表  11  转速为900r·min^-1时的流场特性比较

Table  11.   Comparison of flow field characteristics with rotation speed of 900r·min^-1

表  12  转速为1900r·min^-1时的流场特性比较

Table  12.   Comparison of flow field characteristics with rotation speed of 1 900r·min^-1

表  13  两种催化消声器流场特性比较

Table  13.   Comparison of flow field characteristics for two types of catalytic mufflers