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DRAG REDUCTION BY SURFACTANT IN CLOSED TURBULENT FLOW

Abstract : Many surfactants and polymers are considered as excellent drag reducing agents. This phenomenon induces a significant head loss reduction compared to the pure solvent. In this study an aqueous solution of CTAC/NaSal (CetylTrimethyl Ammonium Chloride and Sodium Salicylate) is used in turbulent pipe flow system. Drag reduction experiments were carried out for different experimental conditions using pressure drop measurements. At the same time the spatial velocity distribution was measured and analysed using particle image velocimetry (PIV).
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Ferhat Hadri, Sylvain Guillou. DRAG REDUCTION BY SURFACTANT IN CLOSED TURBULENT FLOW. International Journal of Engineering Science and Technology, Engg Journals Publication, 2010, 2, pp.6876 - 6879. ⟨hal-02159309⟩

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