The invention relates to a vortex induced vibration suppression device (10) comprising: a riser pipe (12); a strake body (14) encircling the riser pipe (12); a vane (16) extending outwardly from the strake body (14), the vane (16) having a height (18) and a width (20); and a buffer (26) extending outwardly from the strake body (14), the buffer (26) having a height (32); wherein the height (32) of the buffer (26) is smaller than the height (18) of the vane (16) The buffer is provided to prevent damage of the vane from contact loads.
Vortex induced suppression device
2019-07-25
Patent
Elektronische Ressource
Englisch
IPC: | E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F15D FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS , Strömungsdynamik, d.h. Verfahren oder Vorrichtungen zum Beeinflussen der Strömung von Gasen oder Flüssigkeiten |
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