Abstract
IT is well known that dilute solutions of many high-polymer materials exhibit friction or drag reduction effects in turbulent flow1,2. Recent separated laminar flow experiments with higher polymer concentrations have now shown drag reduction also.
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References
Fabula, A. G., Proc. Fourth Int. Congr. Rheology, Brown University (August 1963).
Hoyt, J. W., and Fabula, A. G., Fifth Symp. Naval Hydrodynamics, Bergen, Norway (Sept. 1964).
Crawford, H. R., and Pruitt, G. T., Symp. Non-Newtonian Fluid Mechanics, Fixty-sixth Ann. Meeting Amer. Inst. Chem. Eng., Houston, Texas (Dec. 5, 1963).
Binder, R. C., Fluid Mechanics, fourth ed., 168 (Prentice-Hall, Inc., 1962).
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RUSZCZYCKY, M. Sphere Drop Tests in High-polymer Solutions. Nature 206, 614–615 (1965). https://doi.org/10.1038/206614b0
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DOI: https://doi.org/10.1038/206614b0
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