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Polymers 2015, 7(7), 1279-1298;

Turbulent Drag Reduction with Polymers in Rotating Disk Flow

Department of Polymer Science and Engineering, Inha University, Incheon 402-751, Korea
Department of Chemistry, Cheongju University, Cheongju, Chungbuk 363-764, Korea
Authors to whom correspondence should be addressed.
Academic Editor: Alexander Böker
Received: 2 April 2015 / Revised: 1 July 2015 / Accepted: 2 July 2015 / Published: 13 July 2015
(This article belongs to the Collection Featured Mini Reviews in Polymer Science)
PDF [1823 KB, uploaded 13 July 2015]


The frictional drag in turbulent flow can be drastically reduced by the addition of minute amounts of suitable linear flexible high-molecular-weight polymers, and the various physical characteristics of the polymers used are known to be closely related to the drag reduction efficiency. This feature article briefly reviews polymer additives and factors in the system affecting turbulent drag reduction in external flow, more specifically in a rotating disk flow. View Full-Text
Keywords: drag reduction; polymer; turbulent; coil–globule; rotating disk drag reduction; polymer; turbulent; coil–globule; rotating disk

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Hong, C.H.; Jang, C.H.; Choi, H.J. Turbulent Drag Reduction with Polymers in Rotating Disk Flow. Polymers 2015, 7, 1279-1298.

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