The Influence of Drag Reducing Polymer Additives on Surface Pressure Fluctuations on Rough Surfaces

Killen, John
Almo, John
1971-09
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The Influence of Drag Reducing Polymer Additives on Surface Pressure Fluctuations on Rough Surfaces

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1971-09

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St. Anthony Falls Hydraulic Laboratory

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Report

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Experimental measurements were made to determine the effect of drag reducing polymer additives on the surface pressure fluctuations on smooth and rough surfaces in relative motion with water. Changes in surface pressure fluctuation intensity were found to be closely related to changes in surface shear when shear change was caused by the addition of drag reducing polymer, by a change in surface roughness, or by both of these.

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119

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Naval Ship Research and Development Center

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Killen, John; Almo, John. (1971). The Influence of Drag Reducing Polymer Additives on Surface Pressure Fluctuations on Rough Surfaces. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/108485.

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