Numerical Simulation of Ultrasonic Flowmeters

Lygre, A.; Vestrheim, Magne; Lunde, Per; Berge, Viktor

doi:10.1016/b978-0-408-02348-1.50035-4

Cited by 6 publications

(1 citation statement)

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“…This includes methods based on (i) the Mason model [or equivalent one-dimensional (1D) approaches] for thickness-mode transmitting and receiving transducers, combined e.g. with uniform piston [2,[8][9][10][11][12][13][14] or plane wave [15][16][17][18][19][20] type of radiation models; (ii) 1D "electroacoustic measurement (EAM) model" types of description [21][22][23][24]; and (iii) purely electrical transmission line system modelling [25]. More rigorous and accurate descriptions based on finite element modelling (FEM) have proven highly useful for ultrasonic system modelling, accounting for e.g.…”

Section: Introductionmentioning

confidence: 99%

Characterization of ultrasound transmit-receive measurement systems in air: Comparison with prior work on piezoelectric elements in radial mode vibration

Grindheim,

Lunde,

Vestrheim

2019

Preprint

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A system model is used, describing the voltage-to-voltage transfer function for an ultrasonic transmit-receive transducer pair based on simulations using a finite element model for piezoelectric transducers (FEMP). The piezoelectric ceramic elements used in this work are cylindrical Pz27 disks vibrating radially in air at room temperature and 1 atm, over a frequency range up to 300 kHz. Comparisons are made between measurements and simulations. Effects of uncertainties in alignment are examined, together with comparisons with prior work.

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