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    Design Optimization of a Novel Flush Boundary Layer Diverter

    Source: Journal of Turbomachinery:;2024:;volume( 146 ):;issue: 012::page 121001-1
    Author:
    Küçük, Umut Can
    ,
    Tuncer, İsmail Hakkı
    DOI: 10.1115/1.4065700
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A novel boundary layer diverter is designed and optimized for increasing the performance of a typical semi-submerged inlet ingesting large amounts of boundary layer flow. A conceptual diverter configuration based on the prior optimization study is first parametrized with seven design variables. A response surface model is constructed for the pressure recovery at the aerodynamic interface plane (AIP). The flow fields over the diverter and through the inlet duct are computed with SU2 and a baseline diverter is constructed from the response surface model for maximum pressure recovery. The baseline diverter is then placed in a free-form deformation box and shape optimized using the adjoint solver of SU2 with hundreds of design parameters. The optimum configuration provides 2.4% and 7.93% increase in the pressure recovery and the mass flow rate, respectively, together with a significant reduction in flow distortion. The novel diverter is then shape optimized together with the inlet duct. Together with all the performance parameters, the pressure recovery is improved by more than 3%. It is shown that the novel boundary layer diverter by being flush to the inlet surface induces a much smaller drag compared to the conventional diverters.
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      Design Optimization of a Novel Flush Boundary Layer Diverter

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4302652
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    contributor authorKüçük, Umut Can
    contributor authorTuncer, İsmail Hakkı
    date accessioned2024-12-24T18:44:11Z
    date available2024-12-24T18:44:11Z
    date copyright7/15/2024 12:00:00 AM
    date issued2024
    identifier issn0889-504X
    identifier otherturbo_146_12_121001.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4302652
    description abstractA novel boundary layer diverter is designed and optimized for increasing the performance of a typical semi-submerged inlet ingesting large amounts of boundary layer flow. A conceptual diverter configuration based on the prior optimization study is first parametrized with seven design variables. A response surface model is constructed for the pressure recovery at the aerodynamic interface plane (AIP). The flow fields over the diverter and through the inlet duct are computed with SU2 and a baseline diverter is constructed from the response surface model for maximum pressure recovery. The baseline diverter is then placed in a free-form deformation box and shape optimized using the adjoint solver of SU2 with hundreds of design parameters. The optimum configuration provides 2.4% and 7.93% increase in the pressure recovery and the mass flow rate, respectively, together with a significant reduction in flow distortion. The novel diverter is then shape optimized together with the inlet duct. Together with all the performance parameters, the pressure recovery is improved by more than 3%. It is shown that the novel boundary layer diverter by being flush to the inlet surface induces a much smaller drag compared to the conventional diverters.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleDesign Optimization of a Novel Flush Boundary Layer Diverter
    typeJournal Paper
    journal volume146
    journal issue12
    journal titleJournal of Turbomachinery
    identifier doi10.1115/1.4065700
    journal fristpage121001-1
    journal lastpage121001-13
    page13
    treeJournal of Turbomachinery:;2024:;volume( 146 ):;issue: 012
    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