EXPERIMENTAL AND NUMERICAL ANALYSIS OF COMPLETE ACOUSTIC BAND GAPS IN THREE-DIMENSIONAL PHONONIC CRYSTALS

被引：0
|
作者：
Lucklum, Frieder [1 ]
Bunge, Frank [1 ]
Vellekoop, Michael J. [1 ]
机构：
[1] Univ Bremen, Inst Microsensors Actuators & Syst IMSAS, MCB, Bremen, Germany
来源：
2017 19TH INTERNATIONAL CONFERENCE ON SOLID-STATE SENSORS, ACTUATORS AND MICROSYSTEMS (TRANSDUCERS) | 2017年
关键词：
Phononic crystals; cubic unit cells; wide phononic band gap; omnidirectional phononic band gap;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this contribution, we focus on the analysis of complete omnidirectional acoustic band gaps in additively manufactured three-dimensional (3D) phononic crystals. We present a numerical analysis of band structure and phononic band gaps of different cubic unit cell geometries. For validation, we report experimental results for transmission of acoustic waves in different characteristic spatial directions through various phononic crystal samples. These results are supplemented by numerical transmission analysis. The elements form the building blocks of wideband, high-resolution phononic-fluidic systems for measuring physical properties such as fluid density, speed of sound, and concentration.
引用
收藏
页码：958 / 961
页数：4
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