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AFC4Hydro

Financiado

Cerrado

Active Flow Control system FOR improving HYDRaulic turbine performances at off d...

Active Flow Control system FOR improving HYDRaulic turbine performances at off design Operation The AFC4Hydro project addresses the development of a novel Active Flow Control (AFC) system for improving off-design operation of hydraulic turbines by mitigating deleterious flow phenomena during steady and transient operation in... ver más

30/11/2023

UPC

5M€

Presupuesto del proyecto: 5M€

Líder del proyecto

Universidad Politécnica de Cataluña No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 9

Fecha límite participación Sin fecha límite de participación.

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Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2023-11-30

LC-SC3-RES-11-2018: Developing solutions to reduce the...

I+D

Cerrada hace 7 años

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Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

7 Participantes

UPC

1.11M€ | Lider

ITELLIGENT INFORMATION TECHN...

194.18K€ | Participante

VATTENFALL AB

350.42K€ | Participante

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Duración del proyecto: 54 meses Fecha Inicio: 2019-05-15
Fecha Fin: 2023-11-30

Líder del proyecto

Universidad Politécnica de Cataluña No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 9

Presupuesto del proyecto 5M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto The AFC4Hydro project addresses the development of a novel Active Flow Control (AFC) system for improving off-design operation of hydraulic turbines by mitigating deleterious flow phenomena during steady and transient operation including ramping of produced load. The main effect being increased reliability and flexibility, and reduced wear and tear. More specifically, this innovative and affordable AFC solution, allowing efficient utilization of existing hydraulic turbines, is planned to be validated at small scale in a model turbine and at large scale in two prototype turbines. A combination of technologies will be used to reduce the pressure and load fluctuations exerted on the machine induced by the draft tube flow using: (1) injection of pulsating momentum (IPM) with a specific frequency, amplitude and phase by means of actuators; (2) injection of continuous momentum (ICM) in the form of water jets with controlled speed and orientation directed against the swirling flow. A structural health monitoring (SHM) system will be developed to evaluate the effects of the injection systems in the structural response of the rotor, generator and bearings. These measurements will be used to optimise the machine performance. For that, a Controller will be programmed and tuned to reduce pressure fluctuations, structural loads and induced vibrations in real-time operation by continuously adjusting the injection systems. The final AFC system will also be tested against demanding transients like ramp up and ramp down. Special attention will be given to mitigate the powerful and dangerous flow instability provoked by the vortex rope breakdown. The success of the proposal will permit to extend the operating range of already existing turbines beyond the stablished safety limits, to increase their efficiency at off-design operation, to be able to face more frequent transients and to reduce the maintenance and operating costs.

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