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International Journal of Fluid Mechanics Research

ISSN Print: 1064-2277
ISSN Online: 2152-5102

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v30.i1.50
8 pages

Complex Influence of Compliance of a Surface and High-Molecular Polymer Additives on Turbulent Friction

V. I. Korobov
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Kyiv, Ukraine

ABSTRACT

The turbulent friction over a rigid cylinder or a cylinder with an elastic cover, which is flowed around in the longitudinal direction, is studied experimentally at the Reynolds number within the range 106 - 2 Ч 107 in the case when aqueous solution of a polyoxyethylene is injected into the near-wall domain through a fore slot. For analogues of the hydrobionts' integuments, the hydrodynamic efficiency was higher under the complex influence, as compared to action of separate factors.