Flat-bottomed vessel and a method for controlling the length of at least one air cavity
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United States of America Patent
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Dec 26, 2017
Grant Date -
Dec 22, 2016
app pub date -
Nov 25, 2014
filing date -
Nov 26, 2013
priority date (Note) -
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Abstract
A flat-bottomed vessel for transporting persons or goods, the vessel including a drag reduction system attached to the bottom of the vessel. The drag reduction system includes: two or more turbulence members extending perpendicular to the longitudinal direction of the vessel for generating an area with turbulent flow downstream to the turbulence members at the bottom of the vessel during movement. Additionally, for each turbulence member an air injector can be used to inject an air flow at or near to the turbulence members.
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