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    Corner Separation Control Using Sweeping Jet Actuator in a Compressor Cascade

    Source: Journal of Turbomachinery:;2024:;volume( 146 ):;issue: 010::page 104503-1
    Author:
    Yang, Pengcheng
    ,
    Chen, Shaowen
    ,
    Liu, Guanyu
    ,
    Xu, Chen
    DOI: 10.1115/1.4065412
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In the pursuit of advancing active flow control (AFC) technology, a more promising nonsteady actuator known as sweeping jet actuator (SJA) has been equipped on the endwall to manage the corner separation in a compressor cascade, while the steady jet actuators with holes were used for comparison. Experimental investigations have been conducted in a low-speed wind tunnel with an inflow Mach number of 0.23. Five-hole probe measurements and the oil flow visualizations were carried out to demonstrate the performance and physics of steady and unsteady blowing on controlling the corner separation. The transient data at the measurement plane were also obtained using the dynamic pressure sensors to get insight into the unsteady characteristics. Variation of jet momentum of both actuators and the excitation frequency of the SJA allows determination of favorable control parameters. Using the SJA with only 0.13% of the cascade mass flow, the total pressure loss which takes the additional energy input into account is reduced by 14.2%, while the steady jet achieves a reduction of 8.4%. The results highlight the superior characteristics of the SJA in controlling the corner separation.
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      Corner Separation Control Using Sweeping Jet Actuator in a Compressor Cascade

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4302640
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    • Journal of Turbomachinery

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    contributor authorYang, Pengcheng
    contributor authorChen, Shaowen
    contributor authorLiu, Guanyu
    contributor authorXu, Chen
    date accessioned2024-12-24T18:43:52Z
    date available2024-12-24T18:43:52Z
    date copyright5/23/2024 12:00:00 AM
    date issued2024
    identifier issn0889-504X
    identifier otherturbo_146_10_104503.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4302640
    description abstractIn the pursuit of advancing active flow control (AFC) technology, a more promising nonsteady actuator known as sweeping jet actuator (SJA) has been equipped on the endwall to manage the corner separation in a compressor cascade, while the steady jet actuators with holes were used for comparison. Experimental investigations have been conducted in a low-speed wind tunnel with an inflow Mach number of 0.23. Five-hole probe measurements and the oil flow visualizations were carried out to demonstrate the performance and physics of steady and unsteady blowing on controlling the corner separation. The transient data at the measurement plane were also obtained using the dynamic pressure sensors to get insight into the unsteady characteristics. Variation of jet momentum of both actuators and the excitation frequency of the SJA allows determination of favorable control parameters. Using the SJA with only 0.13% of the cascade mass flow, the total pressure loss which takes the additional energy input into account is reduced by 14.2%, while the steady jet achieves a reduction of 8.4%. The results highlight the superior characteristics of the SJA in controlling the corner separation.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleCorner Separation Control Using Sweeping Jet Actuator in a Compressor Cascade
    typeJournal Paper
    journal volume146
    journal issue10
    journal titleJournal of Turbomachinery
    identifier doi10.1115/1.4065412
    journal fristpage104503-1
    journal lastpage104503-9
    page9
    treeJournal of Turbomachinery:;2024:;volume( 146 ):;issue: 010
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian