Fluid flow bifurcation in micro-channels

S. Patel, D. Drikakis

Research output: Contribution to journalConference articlepeer-review


The paper presents a numerical study of incompressible fluid flow through micro-channels. Using a high-resolution numerical method (second-order accurate) in conjunction with a non-linear multigrid algorithm and the pseudo-compressibility approach, we have investigated micro-flows through straight channels, as well as through a sudden contraction-expansion geometry. For the straight channel geometry, the computational results are in reasonable agreement with the experimental data for various low Reynolds numbers. For the contraction-expansion geometry, the results reveal the flow transition to instability. This is manifested in the form of asymmetric separation downstream of the expansion.

Original languageEnglish
Pages (from-to)111-116
Number of pages6
JournalAmerican Society of Mechanical Engineers, Fluids Engineering Division (Publication) FED
Publication statusPublished - 2003
Externally publishedYes
Event2003 ASME International Mechanical Engineering Congress - Washington, DC., United States
Duration: 15 Nov 200321 Nov 2003


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