We study the advection of blood particles in the carotid bifurcation, a site that is prone to plaque development. Previously, it has been shown that chaotic advection can take place in blood flows with diseases. Here, we show that even in a healthy scenario, chaotic advection can take place. To understand how the particle dynamics is affected by the emergence and growth of a plaque, we study the carotid bifurcation in three cases: a healthy bifurcation, a bifurcation with a mild stenosis, and the another with a severe stenosis. The result is non-intuitive: there is less chaos for the mild stenosis case even when compared to the healthy, non-stenosed, bifurcation. This happens because the partial obstruction of the mild stenosis generates a symmetry in the flow that does not exist for the healthy condition. For the severe stenosis, there is more irregular motion and more particle trapping as expected.
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September 2020
Research Article|
September 21 2020
Transport of blood particles: Chaotic advection even in a healthy scenario Available to Purchase
I. M. Silva;
I. M. Silva
1
Instituto de Física, Universidade de Brasília
, Campus Universitário Darcy Ribeiro, 70910-900 Brasília, Distrito Federal, Brazil
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A. B. Schelin
;
A. B. Schelin
a)
1
Instituto de Física, Universidade de Brasília
, Campus Universitário Darcy Ribeiro, 70910-900 Brasília, Distrito Federal, Brazil
a)Author to whom correspondence should be addressed: [email protected]
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R. L. Viana
;
R. L. Viana
2
Departamento de Física, Universidade Federal do Paraná
, 81531-990 Curitiba, Paraná, Brazil
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I. L. Caldas
I. L. Caldas
3
Instituto de Física, Universidade de São Paulo
, Rua do Matão, 1371, 05508-090 São Paulo, SP, Brazil
Search for other works by this author on:
I. M. Silva
1
A. B. Schelin
1,a)
R. L. Viana
2
I. L. Caldas
3
1
Instituto de Física, Universidade de Brasília
, Campus Universitário Darcy Ribeiro, 70910-900 Brasília, Distrito Federal, Brazil
2
Departamento de Física, Universidade Federal do Paraná
, 81531-990 Curitiba, Paraná, Brazil
3
Instituto de Física, Universidade de São Paulo
, Rua do Matão, 1371, 05508-090 São Paulo, SP, Brazil
a)Author to whom correspondence should be addressed: [email protected]
Chaos 30, 093135 (2020)
Article history
Received:
May 12 2020
Accepted:
August 31 2020
Citation
I. M. Silva, A. B. Schelin, R. L. Viana, I. L. Caldas; Transport of blood particles: Chaotic advection even in a healthy scenario. Chaos 1 September 2020; 30 (9): 093135. https://doi.org/10.1063/5.0013460
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