Effect of the Change in Characteristics of a Sound-Absorbing Filler on Acoustic Properties of Sound-Absorbing Structures in the Noise Suppression System of Engines

被引：0
|
作者：
Shul’deshov E.M. [1 ]
Nyrtsov A.V. [1 ]
Sorokin A.E. [1 ]
Petrova A.P. [1 ]
机构：
[1] All-Russian Scientific-Research Institute of Aviation Materials (VIAM), Moscow
来源：
Polymer Science - Series D | 2019年 / 12卷 / 02期
关键词：
sound absorption coefficient; sound-absorbing filler; sound-absorbing structure;
D O I：
10.1134/S1995421219020229
中图分类号：
学科分类号：
摘要：
In the present paper, we have considered the effect of a change in characteristics of a sound-absorbing filler in a glass-fiber-reinforced honeycomb layer on acoustic properties of sound-absorbing structures in the noise suppression system of engines. At that, the size and strengths parameters of the structure itself have no changes. This makes it possible to tune the acoustic characteristics at final stages of the engine development without necessity of any design changes, which considerably simplifies a process. © 2019, Pleiades Publishing, Ltd.
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收藏
页码：186 / 191
页数：5
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