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4. Fruman, D. H., and Aflalo, S. S., 1989, “Tip Vortex Cavitation Inhibition by Drag Reducing Polymer Solutions,” ASME J. Fluids Eng., 111, pp. 211–216.
5. Chahine, G. L., Frederick, G. F., and Bateman, R. D., 1993, “Propeller Tip Vortex Cavitation Suppression Using Selective Polymer Injection,” ASME J. Fluids Eng., 115, pp. 497–503.