Research wave propagation in liquid filled vessels is often motivated by the need to understand arterial blood flow. Theoretical and experimental investigation of the propagation of waves in flexible tubes has been studied by many researchers. The analytical one dimensional frequency domain wave theory has a great advantage of providing accurate results without the additional computational cost related to the modern time domain simulation models. For assessing the validity of analytical and numerical models well defined in-vitro experiments are of great importance. The objective of this paper is to present a frequency domain transmission line analytical model based on one-dimensional wave propagation theory and validate it against experimental data obtained for aortic analogues. The elastic and viscoelastic properties of the wall are included in the analytical model. The pressure, flow and wall distention results obtained from the analytical model are compared with experimental data in two straight tubes with aortic relevance. The analytical models and the experimental measurements were found to be in good agreement when the viscoelastic properties of the wall are taken into account.
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ASME 2008 Pressure Vessels and Piping Conference
July 27–31, 2008
Chicago, Illinois, USA
Conference Sponsors:
- Pressure Vessels and Piping
ISBN:
978-0-7918-4827-2
PROCEEDINGS PAPER
Wave Propagation in Thin-Walled Aortic Analogues
C. G. Giannopapa,
C. G. Giannopapa
Eindhoven University of Technology, Eindhoven, The Netherlands
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J. M. B. Kroot
J. M. B. Kroot
Eindhoven University of Technology, Eindhoven, The Netherlands
Search for other works by this author on:
C. G. Giannopapa
Eindhoven University of Technology, Eindhoven, The Netherlands
J. M. B. Kroot
Eindhoven University of Technology, Eindhoven, The Netherlands
Paper No:
PVP2008-61330, pp. 189-196; 8 pages
Published Online:
July 24, 2009
Citation
Giannopapa, CG, & Kroot, JMB. "Wave Propagation in Thin-Walled Aortic Analogues." Proceedings of the ASME 2008 Pressure Vessels and Piping Conference. Volume 4: Fluid-Structure Interaction. Chicago, Illinois, USA. July 27–31, 2008. pp. 189-196. ASME. https://doi.org/10.1115/PVP2008-61330
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