METHOD AND MEANS TO PREVENT CAVITATION EROSION IN PROPELLER DUCTS

摘要

1485515 Ducted propellers NORGES SKIPSFORSKNINGSINSTITUTT 21 Nov 1974 [4 Dec 1973] 50550/74 Heading B7V To prevent cavitation between the tips of a ducted propeller 6 and the inner surface of the duct 10, air is fed into this region via a plurality of tubes 14. The tubes 14 are welded to the inside of the duct to terminate on its inner surface.