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    A Comparative Study of Flow Control Methods for Enhancing Wind Turbine Blade Performance

    Source: Journal of Energy Engineering:;2025:;Volume ( 151 ):;issue: 002::page 04025007-1
    Author:
    Mohd Hafiz Ab Satar
    ,
    Norizham Abdul Razak
    ,
    Farzad Ismail
    DOI: 10.1061/JLEED9.EYENG-5654
    Publisher: American Society of Civil Engineers
    Abstract: Over the last 20 years, multiple flow control methods have emerged, presenting significant improvements over conventional blades. Despite this progress, comparisons of different flow control methods are still limited. Therefore, the current study aims to investigate the lift and drag performances of the flow controls, namely, a Gurney flap, guided vane, microplate, slat, and spoiler at fixed parameters. The study initially developed a numerical model, which was subsequently validated against previous experimental and numerical studies. After obtaining an accurate numerical model, the model was modified and tested with the flow control methods. The finding mainly highlighted that the slat has higher performance than the baseline airfoil, followed distantly by the microplate, Gurney flap, guided vane, and spoiler. The slat achieved the highest performance, showcasing a 27.35% improvement. The detailed simulation results also revealed the presence of the Coanda and orifice effects in the airflow, which significantly affect the performance. An extensive investigation was conducted to explore dual combinations of selected flow control methods to identify the optimum combination that could offer higher improvement. Among nine combinations tested, the combination of the Gurney flap and microplate exhibited higher performance than the other combinations, achieving a 29.88% enhancement.
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      A Comparative Study of Flow Control Methods for Enhancing Wind Turbine Blade Performance

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4304764
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    • Journal of Energy Engineering

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    contributor authorMohd Hafiz Ab Satar
    contributor authorNorizham Abdul Razak
    contributor authorFarzad Ismail
    date accessioned2025-04-20T10:27:39Z
    date available2025-04-20T10:27:39Z
    date copyright2/7/2025 12:00:00 AM
    date issued2025
    identifier otherJLEED9.EYENG-5654.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4304764
    description abstractOver the last 20 years, multiple flow control methods have emerged, presenting significant improvements over conventional blades. Despite this progress, comparisons of different flow control methods are still limited. Therefore, the current study aims to investigate the lift and drag performances of the flow controls, namely, a Gurney flap, guided vane, microplate, slat, and spoiler at fixed parameters. The study initially developed a numerical model, which was subsequently validated against previous experimental and numerical studies. After obtaining an accurate numerical model, the model was modified and tested with the flow control methods. The finding mainly highlighted that the slat has higher performance than the baseline airfoil, followed distantly by the microplate, Gurney flap, guided vane, and spoiler. The slat achieved the highest performance, showcasing a 27.35% improvement. The detailed simulation results also revealed the presence of the Coanda and orifice effects in the airflow, which significantly affect the performance. An extensive investigation was conducted to explore dual combinations of selected flow control methods to identify the optimum combination that could offer higher improvement. Among nine combinations tested, the combination of the Gurney flap and microplate exhibited higher performance than the other combinations, achieving a 29.88% enhancement.
    publisherAmerican Society of Civil Engineers
    titleA Comparative Study of Flow Control Methods for Enhancing Wind Turbine Blade Performance
    typeJournal Article
    journal volume151
    journal issue2
    journal titleJournal of Energy Engineering
    identifier doi10.1061/JLEED9.EYENG-5654
    journal fristpage04025007-1
    journal lastpage04025007-14
    page14
    treeJournal of Energy Engineering:;2025:;Volume ( 151 ):;issue: 002
    contenttypeFulltext
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