Numerical simulation of blood flow in a venular bifurcation

Joseph G. Ong, Giora Enden, Aleksander S. Popel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Results from a three-dimensional numerical model simulating blood flow in a single venular bifurcation are presented. A side and main branch, each containing fluid with a unique viscosity (and, therefore, unique hematocrit, are fused to form an outlet branch which contains both fluids flowing together. Solving this problem using the finite element method has demonstrated that flow is strongly influenced by viscosity ratio between the merging fluid streams. As viscosity from the side branch is increased relative to that of the main branch, the interface formed between the two fluids bulges farther away from the side branch orifice. The less-viscous fluid has the highest radial velocity gradients at the outlet branch and tends to surround the fluid with higher viscosity, leading to asymmetric velocity ratio and spatial location in the vicinity of the bifurcation. These findings have important implications in post-capillary resistance, metabolic transport, and various flow phenomena associated with venules.

Original languageEnglish (US)
Title of host publicationAdvances in Bioengineering
EditorsJohn M. Tarbell
PublisherPubl by ASME
Pages267-270
Number of pages4
ISBN (Print)0791810313
StatePublished - Dec 1 1993
EventProceedings of the 1993 ASME Winter Annual Meeting - New Orleans, LA, USA
Duration: Nov 28 1993Dec 3 1993

Publication series

NameAmerican Society of Mechanical Engineers, Bioengineering Division (Publication) BED
Volume26

Other

OtherProceedings of the 1993 ASME Winter Annual Meeting
CityNew Orleans, LA, USA
Period11/28/9312/3/93

ASJC Scopus subject areas

  • Engineering(all)

Fingerprint Dive into the research topics of 'Numerical simulation of blood flow in a venular bifurcation'. Together they form a unique fingerprint.

Cite this