Vortex shedding and drag force reduction
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United States of America Patent
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Jun 21, 2005
Grant Date -
Mar 18, 2004
app pub date -
May 31, 2001
filing date -
Jun 1, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Smoothly curved protuberances (8, 26, 34) are added to an elongate body (2, 16, 18, 20, 22, 32) to modify the fluid flow to reduce the drag Force Fdrag and the forces induced by vortex shedding Fvortex. The protuberances can be arranged in diametrically opposed pairs with longitudinally adjacent pairs having different radial directions first to cope with fluid flow from a variety of different directions.
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