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Article

Keslerová, Radka ; Řezníček, Hynek ; Padělek, Tomáš
Numerical simulation of generalized Newtonian fluids flow in bypass geometry. (English). In: Chleboun, J., Kůs, P., Přikryl, P., Rozložník, M., Segeth, K., Šístek, J. and Vejchodský, T. (eds.): Programs and Algorithms of Numerical Mathematics. Proceedings of Seminar. Hejnice, June 24-29, 2018. Institute of Mathematics CAS, Prague, 2019. pp. 63-70
MSC: 65L06, 65N08, 76A05, 76A10, 76D05 | DOI: 10.21136/panm.2018.07
Keywords:
generalized Newtonian fluids; Navier-Stokes equations; OpenFOAM; bypass
Summary:
The aim of this work is to present numerical results of non-Newtonian fluid flow in a model of bypass. Different angle of a connection between narrowed channel and the bypass graft is considered. Several rheology viscosity models were used for the non-Newtonian fluid, namely the modified Cross model and the Carreau-Yasuda model. The results of non-Newtonian fluid flow are compared to the results of Newtonian fluid. The fundamental system of equations is the generalized system of Navier-Stokes equations for incompressible laminar flow. Generalized Newtonian fluids flow in the bypass is numerically simulated by using an open source CFD tool, OpenFOAM.
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