Blood flow through a stenosis in microcirculation

Article type: Research Article

Authors: Bitoun, J.P. | Bellet, D.

Affiliations: Groupe de Rhéologie, Institut de Mécanique des Fluides de Toulouse, 2, rue C. Camichel, 31071 Toulouse Cedex, France

Note: [] Accepted by: 

Abstract: A theoretical and experimental study concerning two-component fluid pulsating flow through cylindrical ducts having a slight constriction is presented. The model corresponds to blood flows through small diameter vessels (smaller than 400 μm) affected by a singular stenosis. The theoretical approach is based on a asymptotical expansion of the stream function. The physical hypotheses used were based on findings from simultaneous visualization methods. The influence of geometrical, hydrodynamical and structural parameters is systematically examined and related to velocity profiles, hydrostatic pressure, surface stresses.

Keywords: Hemodynamics, microcirculation, plasmatic layers, stenosis, hematocrit rate, Taylor law

DOI: 10.3233/BIR-1986-23104

Journal: Biorheology, vol. 23, no. 1, pp. 51-61, 1986