It is known that nature of surface of blades has important influence on efficiency, which increases with revolutions and speed, and exists even when to all appearances blade surface is smooth; results of full scale and model tests of surfaces of number of propellers for roughness; reaction of water on blade. Before Assn Technique Maritime and Aeronautique and Gesellschaft der Freunde u Foerderer der Hamburgischen Schiffbau-Versuchsanstalt. (Annual Int No)
Influence of blade roughness and scale effect on propeller efficiency
Shipbldr Mar Engine-Bldr
Shipbuilder and Marine Engine-Builder ; 46 , n 355
1939
2 pages
Aufsatz (Zeitschrift)
Englisch
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