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The effect of a zwitterionic and cationic surfactant in turbulent flows

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Abstract

A zwitterionic and a cationic surfactant were compared concerning their effectiveness in drag reduction. Both reach even lower friction factors than can be determined by the known maximum drag reduction asymptote in polymers. It is shown that both the maximum effectiveness and the range of surfactant activity depend not only on the temperature and concentration of the solution, but also on the length of the direct entering section and on the quality of water. The influence of the particular locality of the flow rate regulation is also notified.

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Authors and Affiliations

  1. Institute of Hydrodynamics Pod Patankou 5, 16612 Praha 6, Czech Republic, , , , , , CZ

    J. Myska & Z. Chara

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  1. J. Myska
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  2. Z. Chara
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Received: 1 December 1999/Accepted: 30 April 2000

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Myska, J., Chara, Z. The effect of a zwitterionic and cationic surfactant in turbulent flows. Experiments in Fluids 30, 229–236 (2001). https://doi.org/10.1007/s003480000160

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  • DOI: https://doi.org/10.1007/s003480000160

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