Effect of Placing a Diffuser around a Wind Turbine | Zendy

Hansen M. O. L. | Zendy; Sørensen N. N. | Zendy; Flay R. G. J. | Zendy

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Effect of Placing a Diffuser around a Wind Turbine

Author(s) -

Hansen M. O. L.,

Sørensen N. N.,

Flay R. G. J.

Publication year - 2000

Publication title -

wind energy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.743

H-Index - 92

eISSN - 1099-1824

pISSN - 1095-4244

DOI - 10.1002/we.37

Subject(s) - diffuser (optics) , turbine , marine engineering , computational fluid dynamics , rotor (electric) , mechanics , actuator , flow (mathematics) , limit (mathematics) , physics , engineering , environmental science , aerospace engineering , mechanical engineering , electrical engineering , mathematics , optics , mathematical analysis , light source

An actuator disc CFD model of the flow through a wind turbine in a diffuser is developed and validated. Further, it is shown theoretically from a 1D analysis that the Betz limit can be exceeded by a factor proportional to the relative increase in mass flow through the rotor induced by the diffuser. The theoretical 1D result is verified by the CFD model. Copyright © 2000 John Wiley & Sons, Ltd.

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