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The flow of blood continues to arouse much interest among researchers in rheology, fluid mechanics and medicine. Existing models of the apparent viscosity versus shear stress are numerous, and we have chosen to discuss the Carreau-Gambaruto model and the Quemada model. The comparison between models and viscosity measurements shows discordance for shear rates below a few tenths of s?1. The existence of an inflection point on the experimental curve is probably related to a system relaxation due to the rupture of red blood cells structure named rouleaux. This work suggests us to adapt these models for the weak shear rates.

KEYWORDS

Blood, Rheology, Viscosity, Model, Viscoelasticity

Cite this paper

Mimouni, Z. 2016 The Rheological Behavior of Human Blood—Comparison of Two Models. Open Journal of Biophysics, 6, 29-33. doi: 10.4236-ojbiphy.2016.62004.





Autor: Zineb Mimouni

Fuente: http://www.scirp.org/



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