Modal solutions of the acoustic wave propagation through fluid-filled pipes

Auteurs-es

  • N M Alam Chowdhury Dept. of Electrical and Computer Engineering, Ryerson University, 350 Victoria St., Toronto, ON M5B 2K3, Canada
  • Zaiyi Liao Dept. of Architectural Science, Ryerson University, 350 Victoria St., Toronto, ON M5B 2K3, Canada
  • Lian Zhao Dept. of Electrical and Computer Engineering, Ryerson University, 350 Victoria St., Toronto, ON M5B 2K3, Canada
  • Ramani Ramakrishnan Dept. of Architectural Science, Ryerson University, 350 Victoria St., Toronto, ON M5B 2K3, Canada

Mots-clés :

Acoustic wave propagation, Acoustic waves, Equations of motion, Guided electromagnetic wave propagation, Mathematical models, Modal analysis, Pipe, Underwater acoustics, Analytical solutions, Dispersion behavior, Excitation frequency, Finite element analysis, Fluid-filled pipes, Guided wave propagation, Liquid-filled cylinders, Modal solutions, Navier's equations, Propagating mode

Résumé

Modal analysis and simulation of guided wave propagation were useful in solving these problems in the piping system. The scope of the analysis included the evaluation of dispersion behavior of guides waves in hollow or liquid-filled cylinders. The mathematical model for the analysis was based on Navier's equation of motion. The model was solved to obtain the modes of propagation and phase wave of acoustic wave in for various radii of the pipe. The finite-element analysis was used to simulate the model and the results were compared with the analytical solutions. The results easily identified various propagating modes, their excitation frequency, and the impact of the pipe radius. It was observed that the number of propagating modes decreased with decreasing pipe radius and increased with increasing radius.

Fichiers supplémentaires

Publié-e

2009-09-01

Comment citer

1.
Chowdhury NMA, Liao Z, Zhao L, Ramakrishnan R. Modal solutions of the acoustic wave propagation through fluid-filled pipes. Canadian Acoustics [Internet]. 1 sept. 2009 [cité 8 mai 2026];37(3):120-1. Disponible à: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2163

Numéro

Vol. 37 No. 3 (2009)

Rubrique

Actes du congrès de la Semaine canadienne d'acoustique

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