2024
DOI: 10.1063/5.0203285
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Influence of the tip speed ratio on the wake dynamics and recovery of axial-flow turbines

Antonio Posa,
Ignazio Maria Viola,
Riccardo Broglia

Abstract: Detached eddy simulation is employed to investigate the wake development downstream of the rotor of an axial-flow turbine and its dependence on the tip speed ratio. In this study, we found that the trend of the momentum deficit as a function of the rotational speed shows opposite directions in the near wake and further downstream. While the momentum deficit in the near wake increases with the rotational speed, it decreases further downstream. For instance, we found that at six diameters downstream of the rotor… Show more

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