Study of turbulence intensity effect on the fatigue lifetime of wind turbines

Amr Mohamed Metwally Ismaiel, Shigeo Yoshida

    Research output: Contribution to journalArticlepeer-review

    21 Citations (Scopus)


    In this paper, the effect of variable turbulence intensities on the fatigue lifetime of wind turbines is studied. Time series aeroelastic simulations were carried on the NREL WindPACT 1.5MW upwind turbine using an open source software FAST. Two turbulence models -von Karman and Kaimal- were used with four different turbulence intensities (1%, 10%, 25%, and 50%). The time series data of the loads were post processed using the tool MLife to estimate the fatigue lifetime of the wind turbine. It is found that high turbulence intensities increase the extreme loadings on the turbine, increase damage equivalent loads, and decrease the estimated lifetime. It is also found that both turbulence models’ results agree, there is no remarkable difference between them in the fatigue behavior of the turbine, and gave very close results.

    Original languageEnglish
    Pages (from-to)25-32
    Number of pages8
    Issue number1
    Publication statusPublished - Mar 2018

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Ceramics and Composites
    • Surfaces, Coatings and Films
    • Management, Monitoring, Policy and Law


    Dive into the research topics of 'Study of turbulence intensity effect on the fatigue lifetime of wind turbines'. Together they form a unique fingerprint.

    Cite this