Lagrangian transport by peristalsis in a closed cavity

【Author】

Chiu-on Ng;

【Abstract】

In the context of fluid mixing in microelectromechanical systems,Lagrangian mass transport induced by peristaltic waves traveling on the boundaries of a two-dimensional rectangular closed channel is studied analytically.Based on the Lagrangian description,an asymptotic analysis is performed to generate explicit expressions for the leading-order oscillatory as well as the higher-order time-mean mass transport velocities as functions of the wave properties.For small steady-streaming Reynolds number,we have revisited the problem studied previously in the literature,but with all the results fully presented in the Lagrangian sense.

【Keywords】

Peristaltic pumping;steady Lagrangian drift;microchannel flow.

References

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Springer Journals Database

Total: 3 articles

  • [1] Ng C O;Ma Y, Lagrangian transport induced by peristaltic pumping in a closed channel, Phys Rev E, Physical Review E Statistical Nonlinear and Soft Matter Physics (Physical Review E Statistical Nonlinear and Soft Matter Physics)
  • [2] Selverov,K,Stone,H, Peristaltically driven channel flows with applications toward micromixing, Physics of Fluids, The Physics of Fluids (The Physics of Fluids)
  • [3] Yi M;Bau H H;Hu H, Peristaltically induced motion in a closed cavity with two vibrating walls, Physics of Fluids, The Physics of Fluids (The Physics of Fluids)

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