DRAG REDUCTION DEVICE
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United States of America Patent
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Issued Date -
Nov 30, 2023
app pub date -
Aug 9, 2023
filing date -
Feb 10, 2021
priority date (Note) -
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Abstract
A drag reduction device includes a first part and a second part. The first part is attached to the second part, and the second part is detachably attached to a body. The first part is made of a flexible material and configured to be able to change its shape under the action of a flow field. According to this application, through providing the drag reduction device on the body in need of drag reduction by detachably attaching the drag reduction device to the body, the need to modify the shape of the body itself is dispensed with. According to this application, the drag reduction device is very simple in structure and easy to assemble and disassemble, almost does not add weight to the body and has very low cost. According to this application, the drag reduction device is able to change its shape without consuming energy at all. Moreover, under different flow field conditions, it can assume different shapes that adapt it to the flow field conditions.
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