Spoiler for fluid turbine diffuser

Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in... – Natural fluid current force responsive

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Details

415DIG1, F03D 704

Patent

active

044228201

ABSTRACT:
A passive means for controlling the power augmentation of a diffuser augmented wind turbine is disclosed. Spoiler tabs for the boundary layer control slots of a diffuser augmented wind turbine include a lifting surface responsive to the fluid flow velocity through the slot and operate to block the slot when fluid flow velocity through the slot exceeds a predetermined level.

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patent: 4204799 (1980-05-01), de Geuss
patent: 4288704 (1981-09-01), Bosard
patent: 4324985 (1982-04-01), Oman

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