What is it about?
In this study we used both experimental (LDA) and numerical (CFD) methods to investigate the flow field in the patient-specific model of an aneurysm. We found a good correlation between LDA and CFD results. Also we showed that non-Newtonian fluid significantly changes the hemodynamic parameters in the aneurysm sac and it should be considered for the future studies.
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Why is it important?
It clearly demonstrates that non-Newtonian behaviour of blood should be taken into account for numerical studies of cerebral hemodynamics. Numerical results were proved by experimental measurements. The highest difference between Newtonian and non-Newtonian fluid was observed in the region of slow recirculating flow where the low shear rates exist.
Perspectives
The study should be extended to evaluate the role of non-Newtonian properties of blood on hemodynamic parameters in treated cerebral aneurysms, especially after the flow-diverter placement.
Mr. Sergey Sindeev
Tambov State Technical University
Read the Original
This page is a summary of: Experimental and CFD flow studies in an intracranial aneurysm model with Newtonian and non-Newtonian fluids, Technology and Health Care, May 2016, IOS Press,
DOI: 10.3233/thc-161132.
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