Particle characterization in highly concentrated suspensions by ultrasound scattering method

被引：10
|
作者：
Woeckel, S. [1 ]
Hempel, U. [1 ]
Weser, R. [2 ]
Wessely, B. [2 ]
Auge, J. [3 ]
机构：
[1] Inst Automat & Kommunikat eV, Werner Heisenberg Str 1, D-39106 Magdeburg, Germany
[2] Inst Proc Engn & Environm Technol, Dresden, Germany
[3] Univ Appl Sci Magdeburg Stendal, D-39011 Magdeburg, Germany
来源：
26TH EUROPEAN CONFERENCE ON SOLID-STATE TRANSDUCERS, EUROSENSOR 2012 | 2012年 / 47卷
关键词：
ultrasound scattering; particle characterization; suspension;
D O I：
10.1016/j.proeng.2012.09.214
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：
A new method for inline characterization of particles in high concentrated suspensions by ultrasonic scattering is described by extracting the statistical features of scattered sound waves that correlate with the particle size and concentration. To provide a high spatial resolution and range - in case of media with high attenuation - ultrasonic sensors with a high bandwidth and intensity are used in combination with signal coding techniques [1]. The effects of particle dependent attenuation and multiple reflections are investigated by processing the signals in the frequency and time domain. Further, a spatial dependent attenuation coefficient is calculated that is equivalent to the values gained by conventional transmission methods. (C) 2012 Elsevier Ltd....Selection and/or peer-review under responsibility of the Symposium Cracoviense Sp. z.o.o.
引用
收藏
页码：582 / 585
页数：4
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