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Peristaltic transport of a couple-stress fluid

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Abstract

The problem of peristaltic transport of a couple-stress fluid has been investigated under a zero Reynolds number and long wavelength approximation. A comparison of the results with those for a Newtonian fluid model shows that the magnitude of the pressure rise under a given set of conditions is greater in the case of the couple-stress fluid. The pressure rise increases as the couple-stress parameter\(\bar \eta \) decreases. The difference between the pressure rise for a Newtonian and a couple-stress fluid increases with increasing amplitude ratio at zero flow rate. However, increasing the flow rate reduces this difference.

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Authors and Affiliations

  1. Department of Mathematics, Ahmadu Bello University, Zaria, Nigeria

    L. M. Srivastava

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  1. L. M. Srivastava
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Srivastava, L.M. Peristaltic transport of a couple-stress fluid. Rheol Acta 25, 638–641 (1986). https://doi.org/10.1007/BF01358172

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  • DOI: https://doi.org/10.1007/BF01358172

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