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.
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Foust, J., Rockwell, D. Flow structure associated with multiple jets from a generic catheter tip. Exp Fluids 42, 513–530 (2007). https://doi.org/10.1007/s00348-006-0249-z
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DOI: https://doi.org/10.1007/s00348-006-0249-z