Abstract
The characterization and classification of liquids through instrumentation is essential
in many industries. As such, measuring the characteristics of liquids is not just useful
as a control parameter within an industrial process; such measurements can also be
used to classify the liquid. Such a sensor is especially practical if it can be connected
in-line with the liquid to be measured, thus minimally influencing flow.
A piezoceramic tube was studied in an attempt to produce a sensor to encompass
exactly those aims. Spectra were taken of liquid-filled piezoceramic tubes. Several
models for this system, both for the piezoceramic tube and the liquid within it, were
then studied to determine an accurate mathematical representation of the measured
spectra. The model ultimately used was a derived equation for the dynamics of the
liquid.
The simulated spectra were optimized to match the actual data, using several techniques
ranging from simple search algorithms to breeder algorithms. The optimization
technique used was based upon the complexity of the model implemented. The effect
of the error calculation method is important and is discussed. From the optimization
results, the speed of sound, density and viscosity of the liquid can be determined to
accuracies of less than 0.2%, 3% and 10% respectively.
Prenzlow, B (2021). Ultrasonic spectroscopy of liquid filled piezoelectric tube. Afribary. Retrieved from https://afribary.com/works/ultrasonic-spectroscopy-of-liquid-filled-piezoelectric-tube
Prenzlow, Bjorn "Ultrasonic spectroscopy of liquid filled piezoelectric tube" Afribary. Afribary, 15 May. 2021, https://afribary.com/works/ultrasonic-spectroscopy-of-liquid-filled-piezoelectric-tube. Accessed 23 Nov. 2024.
Prenzlow, Bjorn . "Ultrasonic spectroscopy of liquid filled piezoelectric tube". Afribary, Afribary, 15 May. 2021. Web. 23 Nov. 2024. < https://afribary.com/works/ultrasonic-spectroscopy-of-liquid-filled-piezoelectric-tube >.
Prenzlow, Bjorn . "Ultrasonic spectroscopy of liquid filled piezoelectric tube" Afribary (2021). Accessed November 23, 2024. https://afribary.com/works/ultrasonic-spectroscopy-of-liquid-filled-piezoelectric-tube