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Method for reducing friction on the surface of a seagoing vessel, low friction seagoing vessel and apparatus for generating microbubbles to reduce friction
Method for reducing friction on the surface of a seagoing vessel, low friction seagoing vessel and apparatus for generating microbubbles to reduce friction
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机译:减少在海船表面上的摩擦的方法,低摩擦海船和用于产生微气泡以减小摩擦的设备
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摘要
A method of reducing a friction on a cruising body, a cruising body (Y) with reduced friction, and a method of and an apparatus for generating microbubbles for use in reduction of friction, aiming at reducing a frictional resistance with a small energy consumption to thereby enhance an overall energy efficiency and make readily practicable a measure of reducing a frictional at resistance. A mixed fluid containing bubbles and water is jetted rearwardly and obliquely away from the submerged surface (4) of the hull (1) into a boundary layer formed in the vicinity of the submerged surface (4) from fluid jetting nozzles (3) so that a kinetic energy of water having a great mass is utilized to inject bubbles more deeply into a desired bottom layer of the boundary layer than in the case where only bubbles are injected, for effective reduction of friction. IMAGE
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