A Study of Flowrate Calculation Using ESPRIT Technique for Ultrasonic Velocity Profiles

  • Jatuphol Daosaeng King Mongkut’s University of Technology North Bangkok
  • Natee Thong-un King Mongkut University of Technology North Bangkok

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Abstract

An ultrasonic Velocity Profile (UVP) has been continuously improved for flowrate measurements. Since the UVP can visualize a flow profile along a cross section of pipelines, it provides a significant advantage over other conventional methods such as differential pressure, turbine, and vortex. Previously, the UVP was realized by means of autocorrelation, fast Fourier transform, and wavelet as the signal-processing method. An Estimation of Signal Parameters via Rotational Invariance Technique (ESPRIT) has been widely used in a field of communication engineering for a high-resolution signal processing. This is the first of utilizing the ESPRIT technique in fluid mechanics for a flowrate computation. To guarantee the proposed idea, the results were compared with a standard electromagnetic flowmeter. Lab experiments were required to demonstrate the accuracy of flowrate measurements.

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Author Biography
Jatuphol Daosaeng

Department of Instrumentation and Electronics Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, Thailand

Published
Vol 23 No 2, Mar 31, 2019
How to Cite
J. Daosaeng and N. Thong-un, “A Study of Flowrate Calculation Using ESPRIT Technique for Ultrasonic Velocity Profiles”, Eng. J., vol. 23, no. 2, pp. 119-133, Mar. 2019.

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