One-dimensional phononic crystal for sound insulation in rods

被引：0

作者：

Wasmer, Paul ^{[1
]}

Prager, Jens ^{[1
]}

机构：

[1] Abt 8 Zerstorungsfreie Prufung Bundesanstalt Mat, Unter Eichen 87, D-12205 Berlin, Germany

来源：

TM-TECHNISCHES MESSEN | 2019年 / 86卷 / 02期

关键词：

Phononic crystal; ultrasonic measurement; acoustic insulation; rod structure; BAND-STRUCTURE; GUIDED-WAVES; SENSOR;

D O I：

10.1515/teme-2018-0065

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The analysis of acoustic wave behavior in periodic structures is of great interest for the targeted manipulation of acoustic waves in a wide frequency range. In the focus are phononic crystals (PnC's), a periodic arrangement of scatterers in a host matrix. They can be used for various aspects, for example for sensor applications or as effectiv waveguides, but also for sound insulation. In this work, a new PnC consisting of a periodic arrangement of cylinders, which can be used for sound insulation, is investigated. To begin with, the geometry is simulated and an axisymmetric and a 3D-model are compared. The simulated geometry is fabricated and transmission behavior is measured.

引用

页码：66 / 72

页数：7

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