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Experiments in Fluids

, Volume 42, Issue 4, pp 513–530 | Cite as

Flow structure associated with multiple jets from a generic catheter tip

  • J. Foust
  • D. Rockwell
Research Article

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.

Keywords

Vorticity Particle Image Velocimetry Reynolds Stress Superior Vena Cava Leeward Side 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  1. 1.Department of Mechanical Engineering and Mechanics356 Packard Laboratory, 19 Memorial Drive West, Lehigh UniversityBethlehemUSA

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