1) perforated tube silencer
穿孔管消声器
1.
Acoustic attenuation performance calculation and analysis of straight-through perforated tube silencers;
直通穿孔管消声器声学性能计算及分析
2) micro-perforated pipe muffler
微穿孔管消声器
3) straight-through perforated tube silencer
直通穿孔管消声器
1.
Numerical analysis of the effect of structural parameters on the acoustic attenuation performance of straight-through perforated tube silencers
结构参数对直通穿孔管消声器消声性能影响的数值分析
4) Microperforated muffler
微穿孔板消声器
5) non-perforated muffler
非穿孔类消声器
6) perforated muffler
穿孔类消声器
1.
Corresponding results have been obtained as follows: the fluid dynamics of perforated muffler is better than the non-perforated mu.
得出结论:,穿空管消声器的流体动力学性能要好于非穿孔类消声器,对膨胀腔冲击比较小;在相同边界条件下,穿孔管消声器的压力损失大于非穿孔类消声器。
补充资料：天津钢管公司管坯在250连轧管机组的穿孔机上穿孔
天津钢管公司管坯在250连轧管机组的穿孔机上穿孔
天津钢管公司管坯在250连轧管机组的穿孔机上穿孔
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条