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Rotor Design for Diffuser Augmented Wind Turbines
2015
Energies
Diffuser augmented wind turbines (DAWTs) can increase mass flow through the rotor substantially, but have often failed to fulfill expectations. We address high-performance diffusers, and investigate the design requirements for a DAWT rotor to efficiently convert the available energy to shaft energy. Several factors can induce wake stall scenarios causing significant energy loss. The causality between these stall mechanisms and earlier DAWT failures is discussed. First, a swirled actuator disk
doi:10.3390/en81010736
fatcat:otwcyd6umvginltqdnec3kysue