Polymer drag reduction systems on vehicle surfaces
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United States of America Patent
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Jul 17, 2018
Grant Date -
Mar 9, 2017
app pub date -
Sep 2, 2016
filing date -
Sep 4, 2015
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Abstract
Systems and methods of reducing drag on outer surfaces of vehicles that are in contact with water using a polymer solution that reduces the drag on the outer surfaces of the vehicles as the vehicles travel through water. A polymer solution is passively ejected into the boundary layer of the water flowing past the outer surface of the vehicle. The polymer solution is mixed and introduced into the boundary layer passively with minimal or no usage of electrical energy. The passive mixing and ejection of the polymer solution minimizes energy consumption, thereby maximizing electrical energy consumption efficiency during operation of the vehicle.
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