Flow structure associated with multiple jets from a generic catheter tip

Flow structure associated with multiple jets from a generic catheter tip During hemodialysis, cleansed blood is injected into the body through one or more holes at the tip of a catheter, which is typically positioned within the superior vena cava. Multiple, interacting jets can therefore be formed during the injection process. Particle image velocimetry is employed, in conjunction with a scaled-up water facility, in order to characterize the structure of multiple jets in a tandem arrangement as a function of dimensionless hole diameter and jet velocity ratio. Patterns of vorticity, Reynolds stress, and streamline topology, and their interrelationship, define the evolution and interaction of the jets. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Flow structure associated with multiple jets from a generic catheter tip

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Publisher
Springer-Verlag
Copyright
Copyright © 2007 by Springer-Verlag
Subject
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-006-0249-z
Publisher site
See Article on Publisher Site

Abstract

During hemodialysis, cleansed blood is injected into the body through one or more holes at the tip of a catheter, which is typically positioned within the superior vena cava. Multiple, interacting jets can therefore be formed during the injection process. Particle image velocimetry is employed, in conjunction with a scaled-up water facility, in order to characterize the structure of multiple jets in a tandem arrangement as a function of dimensionless hole diameter and jet velocity ratio. Patterns of vorticity, Reynolds stress, and streamline topology, and their interrelationship, define the evolution and interaction of the jets.

Journal

Experiments in FluidsSpringer Journals

Published: Feb 17, 2007

References

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