AERODYNAMIC CONTROL DEVICES FOR DUCTED FLUID TURBINES
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United States of America Patent
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Issued Date -
Sep 26, 2024
app pub date -
Mar 22, 2024
filing date -
Mar 23, 2023
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Abstract
A fluid-turbine system has an improved means of mitigating the effects of excessive fluid velocity on turbine structural components. Spoilers provide a simple mechanical solution that reduces lift, with minimal increase in drag. Spoilers installed on a duct control aerodynamic lift on ducted turbines, specifically in high-wind conditions. An example embodiment comprises a ducted (shrouded) turbine with articulated segments or spoilers, which may be raised toward the central axis. These spoilers reduce or maintain a tower base moment as constant and dampen support structure oscillations.
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