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Influence of curvature and torsion on turbulent flow in helically coiled pipes

✍ Scribed by T.J. Hüttl; R. Friedrich

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
458 KB
Volume
21
Category
Article
ISSN
0142-727X

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Some additives, like surfactants or polymers, in aqueous solutions lead to dramatic drag reducing effects. Classically the range of concentration of surfactant additive is greater than 500 ppm. It was recently demonstrated that an aqueous solution of CTAC/NaSal (cetyltrimethyl ammonium chloride and