Cylindrical element adapted to reduce vortex-induced vibration and/or drag
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United States of America Patent
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May 12, 2020
Grant Date -
Jun 28, 2018
app pub date -
Jun 27, 2016
filing date -
Jun 26, 2015
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Abstract
A generally cylindrical element adapted for immersion in a fluid medium, the cylindrical element comprising an elongate body having a length and a generally circular cross-section, and a plurality of raised body portions disposed about and extending along the length of the elongate body, the raised body portions being arranged generally parallel to a longitudinal axis of the body and having a height between 2% and 10% of a diameter of the body. The plurality of raised body portions are adapted to reduce vortex-induced vibration and/or drag on the cylindrical element when the cylindrical element is immersed in the fluid medium and there is relative movement between the cylindrical element and the fluid medium.
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