期刊
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
卷 17, 期 3, 页码 1241-1250出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cnsns.2011.07.030
关键词
Start-up laminar flow; Viscous incompressible fluid; Planar T-junction channel; Finite volume method; Navier-Stokes equations
类别
资金
- Centre of Excellence in Mathematics, the Commission on Higher Education, Thailand
A start-up flow of a viscous incompressible fluid in a T-junction channel is studied numerically. The flow starting from rest is driven by a constant pressure drops suddenly applied between the entries and exits of a planar T-junction channel. The Navier Stokes equations in primitive variables are solved numerically using finite-volume techniques. Predicted variations with time of the volume flow rates and the flow patterns are presented for several values of pressure drops. It has been shown that a start-up flow can pass through different regimes (or different flow direction) before asymptotically reaching steady state distribution. (C) 2011 Elsevier B.V. All rights reserved.
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