Wind turbine wake modeling in accelerating wind field: A preliminary study on a two-dimensional hill

Omar M.A.M. Ibrahim, Shigeo Yoshida, Masahiro Hamasaki, Ao Takada

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    Complex terrain can influence wind turbine wakes and wind speed profiles in a wind farm. Consequently, predicting the performance of wind turbines and energy production over complex terrain is more difficult than it is over flat terrain. In this preliminary study, an engineering wake model, that considers acceleration on a two-dimensional hill, was developed based on the momentum theory. The model consists of the wake width and wake wind speed. The equation to calculate the rotor thrust, which is calculated by the wake wind speed profiles, was also formulated. Then, a wind-tunnel test was performed in simple flow conditions in order to investigate wake development over a two-dimensional hill. After this the wake model was compared with the wind-tunnel test, and the results obtained by using the new wake model were close to the wind-tunnel test results. Using the new wake model, it was possible to estimate the wake shrinkage in an accelerating two-dimensional wind field.

    Original languageEnglish
    Article number153
    JournalFluids
    Volume4
    Issue number3
    DOIs
    Publication statusPublished - Aug 9 2019

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics
    • Mechanical Engineering
    • Fluid Flow and Transfer Processes

    Fingerprint

    Dive into the research topics of 'Wind turbine wake modeling in accelerating wind field: A preliminary study on a two-dimensional hill'. Together they form a unique fingerprint.

    Cite this