Utilizing acoustic pressure waves for sensing fluid properties

被引：3
|
作者：
Antlinger, H. [1 ]
Clara, S. [1 ]
Beigelbeck, R. [2 ]
Cerimovic, S. [3 ]
Keplinger, F. [3 ]
Jakoby, B. [1 ]
机构：
[1] Johannes Kepler Univ Linz, Inst Microelect & Microsensors, Altenberger Str 69, A-4040 Linz, Austria
[2] Austrian Acad Sci, Inst Integrated Sensor Syst, A-2700 Wiener Neustadt, Austria
[3] Vienna Univ Technol, Inst Sensor & Actuator Syst, A-1040 Vienna, Austria
来源：
EUROSENSORS XXV | 2011年 / 25卷
基金：
奥地利科学基金会;
关键词：
pressure waves; fluid properties; longitudinal viscosity; liquid condition monitoring;
D O I：
10.1016/j.proeng.2011.12.190
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Ultrasonic sensors can be used to determine physical fluid parameters like viscosity, density, and speed of sound. In this contribution, we present the concept for an integrated sensor utilizing pressure waves to sense the bulk of the fluid. Longitudinal viscosity and speed of sound can be determined using interference effects whereas the acoustic impedance of the liquid can be sensed if interference is suppressed by introducing a wedge reflector in the setup. (C) 2011 Published by Elsevier Ltd.
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收藏
页数：4
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