IDEAS home Printed from https://ideas.repec.org/a/eee/renene/v251y2025ics0960148125010328.html
   My bibliography  Save this article

Impact of varying turbulent flow conditions on the tidal turbine blade load fatigue

Author

Listed:
  • Druault, Philippe
  • Gaurier, Benoît
  • Germain, Grégory

Abstract

The blade structural fatigue life estimation plays an important role in the manufacturing and operating of wind and tidal turbines. Then identifying the main sources of blade fatigue is of great importance for turbine life predictability. To this end, this paper presents a set of blade-thrust force and blade-root bending moment responses for a scale-model tidal turbine subjected to various unsteady turbulent flow conditions. The influence of the turbulence intensity, the integral length scale and the gaussianity on the blade structural fatigue is then individually investigated. Overall, it is shown that each of these flow characteristics which are intrinsically related, may have a significant impact on blade load fatigue. We then introduce the turbulence parameter taking into account both the integral length scale and the turbulence intensity to better reveal the blade structural fatigue. The non-Gaussian statistics also plays a significant role on blade load. Finally, present results emphasize that it is essential to account for the whole set of the main useful incoming turbulent flow characteristics and also their spatial variations over the rotor sweeping area to conclude on their effects on the turbine structural fatigue.

Suggested Citation

  • Druault, Philippe & Gaurier, Benoît & Germain, Grégory, 2025. "Impact of varying turbulent flow conditions on the tidal turbine blade load fatigue," Renewable Energy, Elsevier, vol. 251(C).
    • Handle: RePEc:eee:renene:v:251:y:2025:i:c:s0960148125010328
    DOI: 10.1016/j.renene.2025.123370
    as

    Download full text from publisher

    File URL: http://www.sciencedirect.com/science/article/pii/S0960148125010328
    Download Restriction: Full text for ScienceDirect subscribers only
    File URL: https://libkey.io/10.1016/j.renene.2025.123370?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:renene:v:251:y:2025:i:c:s0960148125010328. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.journals.elsevier.com/renewable-energy .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.