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Vol. 141, No. 6, June 2012, pp. 119-126




Acoustic Detector for Determining the Type and Concentration of a Solution


Tariq Younes

Faculty of Engineering Technology , Department of Mechatronics Engineering,

Al Balqa’ Applied University, 15008 Amman 11134 Jordan

E-mail: tariqmog@bau.edu.jo


Received: 10 June 2012   /Accepted: 28 June 2012   /Published: 30 June 2012


Digital Sensors and Sensor Sysstems


Abstract: The problem of determining the type and concentration of  a solution  is an important issue in food, medical and chemical industries. In this paper, a work effort has been made to explore the possibility of designing acoustic detector to determine the type and concentration of a solution. Signal conditioning and processing was carried out by using LabVIEW (G Language) VIs. Experimental results show that the produced acoustic signal frequency can be used as an informative parameter related with the type and concentration of a solutionAlso, linear range of measurement is found of 10 g/100ml. Furthermore, acceptable results for common industrial applications are drawn with a maximum percentage error of 3 % compared with the conventional approach. As a result, such detector can be integrated with control system in order to perform some control actions.


Keywords: standing wave, acoustic resonance, LabVIEW VI, concentration of solution



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