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Published on: February 21, 2014
Theoretical study of stability problems for transport in a deformable microfabricated channel
1Northwest Normal University, Department of Physics, Lanzhou, People's Republic of China.
Abstract:
We investigate the stability problem related to the basic flows induced by peristaltic transport within the bounded deformable walls which are common in micro- andor nanobiotechnological applications. The neutral stability boundary is obtained by solving the relevant Orr-Sommerfeld equation via a verified preconditioned complex-matrix solver. The critical Reynolds number (when the wall is deformable) is 2886.5 which is much less than the conventional rigid-wall case ( approximately 5772, obtained by Orszag based on the spectral method).
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