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Vol. 172, Issue 6, June 2014, pp. 34-38




Resonance Mode Acoustic Displacement Transducer

Tariq Younes, Mohammad Al Khawaldah, Ibrahim Al-Adwan

Faculty of Engineering Technology, Department of Mechatronics Engineering, Al Balqa’ Applied University, 15008 Amman, 11134 Jordan

E-mail: tariqmog@hotmail.com, mohammad.alkhawaldah@gmail.com, ibrahim.aladwan@yahoo.com



Received: 14 April 2014 /Accepted: 30 May 2014 /Published: 30 June 2014

Digital Sensors and Sensor Sysstems


Abstract: Several linear displacement transducers are used in industry and many technical applications. In this research, a linear displacement transducer which uses a standing acoustic wave within a tube with variable length is designed, built and tested. A standard PC will be utilized for data processing and storage. The operation principle of this transducer is based measuring the resonance frequency of the created standing acoustic within tube. A relationship between the tube length and the measured frequency is determined. Besides to design and build of a measurement system for this transducer, three models of transducer prototype will be tested to study the effect of ambient temperature and diameter of the tube on resulting measured frequency.


Keywords: Standing wave, Free resonance mode, Acoustic receiver, Acoustic transmitter, LabVIEW.


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