مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

LOAD EVALUATION OF HORIZONTAL-AXIS WIND TURBINE ROTOR USING COUPLED BEDDOES NEAR-WAKE MODEL AND FREE-WAKE METHOD

Pages

  1-11

Abstract

WIND TURBINEs operate mostly in YAW conditions that give rise to cyclic variations in aerodynamic forces applied on the blade. This induced load fluctuation is closely related to the upstream velocity field of the rotor and can be a significant source of fatigue and vibration. An accurate prediction of blade loading is considered the key in designing reliable and efficient WIND TURBINEs. The related calculation remains a complicated task to perform and requires enormous computing time. In this context, a numerical method is presented, aimed at evaluating the azimuthal fluctuation of the normal force. This method is obtained by coupling the Beddoes near-wake model and the free-wake method: the near-wake-induced velocities are calculated using Beddoes near-wake model with the far-wake contribution evaluated using the free-wake method. In addition, the unsteady effects on the aerodynamic coefficients are taken into account using the Beddoes-Leishman dynamic stall model. A computer code was developed, and numerical values were obtained in acceptable computational time. Results are compared with measurements performed in the NASA Ames wind tunnel.

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    Cite

    APA: Copy

    BOUATEM, ABDELFATTAH, ALMERS, AHMED, & BOUTAMMACHTE, NOUREDDINE. (2013). LOAD EVALUATION OF HORIZONTAL-AXIS WIND TURBINE ROTOR USING COUPLED BEDDOES NEAR-WAKE MODEL AND FREE-WAKE METHOD. INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING, 4(4), 1-11. SID. https://sid.ir/paper/327059/en

    Vancouver: Copy

    BOUATEM ABDELFATTAH, ALMERS AHMED, BOUTAMMACHTE NOUREDDINE. LOAD EVALUATION OF HORIZONTAL-AXIS WIND TURBINE ROTOR USING COUPLED BEDDOES NEAR-WAKE MODEL AND FREE-WAKE METHOD. INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING[Internet]. 2013;4(4):1-11. Available from: https://sid.ir/paper/327059/en

    IEEE: Copy

    ABDELFATTAH BOUATEM, AHMED ALMERS, and NOUREDDINE BOUTAMMACHTE, “LOAD EVALUATION OF HORIZONTAL-AXIS WIND TURBINE ROTOR USING COUPLED BEDDOES NEAR-WAKE MODEL AND FREE-WAKE METHOD,” INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING, vol. 4, no. 4, pp. 1–11, 2013, [Online]. Available: https://sid.ir/paper/327059/en

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