Abstract
THE use of hydrofoils for a wide variety of purposes such as propeller blades on boats, as sailboat keels, ship rudders, submarine and torpedo fins, lifting surfaces of hydrofoil boats, and shroud ring stabilizers for missiles, has prompted efforts to increase the lift-to-drag ratio by various means. The favourable drag reducing effect of polymers, particularly for flows in pipes1, suggests that they might be of value in increasing this ratio.
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References
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Sarpkaya, T., Rainey, P. G., and Kell, R. E., Naval Postgraduate School Report, No. NPS-59SL72072 (1972).
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SARPKAYA, T. Lift and Drag Measurements on a Hydrofoil in Dilute Polyox Solutions. Nature 241, 114–115 (1973). https://doi.org/10.1038/241114a0
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DOI: https://doi.org/10.1038/241114a0
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