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Comparative analysis of drag reduction flow efficiency through the use of surfactants and high molecular polymer additives

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Matras Z., Kopiczak B.

Czasopismo Techniczne

A comparative analysis of drag reduction efficiency through the use of surfactants and high molecular polymer additives has been performed. Results document that for polymer micellar solutions, the stable transitional zone between the laminar flow and the turbulent flow becomes extended towards higher Reynolds number values. The existence of a third extended drag reduction zone in the turbulent range of flow is also observed. It follows that the analysed polymer-micellar solutions combine and intensify positive features of their purely polymer and micellar analogues providing a more efficient drag reduction effect in wider range of flow.

The polymer-micellar aggregates as an efficient reducer of the energy losses in pipe flow

100%

Matras Z., Kopiczak B.

Czasopismo Techniczne

The paper presents polymer-micellar aggregates as efficient drag reducers of the energy losses in straight pipe flow. A small amount of high molecular polymers: Polyethylene Oxide, Cetyltrimetyl Ammonium Bromide surfactant and Sodium Salicylate salt additives, are applied to obtain polymer-micellar aggregates formation. An analysis of how polymermicellar additives influence the shape and character of flow resistance curves has been performed. It is documented that for polymer-micellar solutions the stable transitional zone between, the laminar and the turbulent flows are extended toward higher values of the Reynolds number. Occurrence of the third turbulent zone of drag reduction is also observed.

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2 Czasopismo Techniczne

2 2016

2 Kopiczak B.

2 Matras Z.

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Comparative analysis of drag reduction flow efficiency through the use of surfactants and high molecular polymer additives

The polymer-micellar aggregates as an efficient reducer of the energy losses in pipe flow