1) resistance noise reduction
阻性消声
1.
The technology principle, construction and design calculation of resistance noise reduction for HD6 5 1 big power local ventilation fan developed recently are discussed in this paper.
介绍了新研制的HD6 5 1型大功率局部通风机成功降噪的阻性消声技术原理、结构和有关计算 ,并应用在通风机上进行实际检测 。
2) dissipative silencer
阻性消声器
1.
The function of acoustics and dynamic characteristics of dissipative silencers are tested.
对阻性管道消声器的声学性能与动态特性进行了测试试验研究,采用计算机、数据采集卡、传感器和处理软件测试得到阻性消声器的动态特性。
2.
Based on the achievement in the past, theoretical analysis and experiential study are mainly carried to the affect of inner flow field in dissipative silencer by airflow.
阻性消声器是噪声控制的主要装置之一，它的研究与开发一直受到人们的关注和重视。
3) amortization
[英][ə,mɔ:ti'zeiʃən] [美][ə,mɔtə'zeʃən]
消声阻尼
4) muffler resistance
消声器阻力
5) impedance silencer
阻抗消声器
6) acoustic attenuation performance
消声性能
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
2.
A one-dimensional analytical approach and a three-dimensional substructure boundary element approach are developed to predict and analyze the acoustic attenuation performance of perforated tube dissipative silencers,as well as examining the effect of nonplanar waves in the silencers in the acoustic attenuation characteristics.
一维解析法和三维子结构边界元法被用于计算和分析穿孔管阻性消声器的消声性能,以及考查消声器内非平面波对消声特性的影响。
3.
<Abstrcat>A one_dimensional analytical approach and a three_dimensional substructure boundary element method (BEM) are developed to predict the acoustic attenuation performance of straight_through perforated tube silencers.
一维解析法和三维子结构边界元法被用于预测直通穿孔管消声器的消声性能。
补充资料：连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
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