Bifurcation of a Newtonian-fluid flow in a planar channel with sudden contraction and expansion

S. A. Patlazhan; I. V. Kravchenko; R. Muller; Y. Hoarau; Y. Remond; Al. Al. Berlin

doi:10.1134/S1028335817030089

Bifurcation of a Newtonian-fluid flow in a planar channel with sudden contraction and expansion

Authors: Patlazhan S.A.¹, Kravchenko I.V.², Muller R.³, Hoarau Y.⁴, Remond Y.⁴, Berlin A.A.¹
Affiliations:
1. Semenov Institute of Chemical Physics
2. Institute of Problems of Chemical Physics
3. Charles Sadron Institute
4. University of Strasbourg
Issue: Vol 62, No 3 (2017)
Pages: 145-148
Section: Mechanics
URL: https://journals.rcsi.science/1028-3358/article/view/192227
DOI: https://doi.org/10.1134/S1028335817030089
ID: 192227

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Abstract

The features of a Newtonian-fluid flow in a two-dimensional channel with sudden contraction and expansion are investigated by numerical modeling. The kinetics of the bifurcation transition from the symmetric mode to steady-state asymmetric flow on the outlet from the zone of contraction of the channel is analyzed. The linear dependence of the degree of asymmetry of flow on the Reynolds number is established.