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Subject Keyword Abstract Author
 
 
Experimental investigation of particle distribution in a flow through a stenosed artery

Anis Shuib*, Peter Hoskins, William Easson
The Journal of Mechanical Science and Technology, vol. 25, no. 2, pp.357-364, 2011

Abstract : The particle distribution of a dilute solid-liquid suspension through a stenosed arterial geometry was investigated. Particle image velocimetry (PIV) was used to determine the velocity as well as to acquire the flow images. The light intensity scattered by particles was evaluated to determine the particle distribution. Flow separation exists where the flow emerges from the stenosis throat. From the PIV images, the particle density distribution exhibited differing non-uniform characteristics which vary with flow rate, particle size and particle concentration. At low flow rates, a particle-free layer is formed. As the flow rate is increased, particles accumulate in concentric recirculation orbits within the downstream vortex. Particles with larger size and higher concentration tend to accumulate more towards the center of the vortex.

Keyword : Atherosclerosis; Particle-laden flow; Particle image velocimetry; Stenosis artery

 
 
 
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