Frontiers in Aerospace Science

Volume: 2

Mechanism of MVG for SBLI Control

Author(s): Chaoqun Liu, Qin Li, Yonghua Yan, Yong Yang, Guang Yang and Xiangrui Dong

Pp: 237-251 (15)

DOI: 10.2174/9781681085975117020009

* (Excluding Mailing and Handling)

Abstract

In this chapter, a new mechanism of SBLI control by MVG is presented. Traditionally, people consider the reduction of shock-induced separation is caused by streamwise vortex which mixes the boundary layer flow and makes the velocity profile to be more able to withstand the flow separation. The new mechanism shows the spanwise vortex rings are critical which are quickly moving and fast rotating to destroy or undermine the shock and ease up the shock-induced flow separation significantly. Potentially, this study could contribute to some technology revolution in control of SBLI, flow separation and interference reduction.


Keywords: Flow control, Flow separation, Noise reduction, Pressure fluctuation, Shock, Shock and vortex interaction, Vortex ring, Vorticity.

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      • 13. app/Models/UserAccess/UserAccess.php:1266
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      • 15. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 16. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
    • (select j.user_access_id,j.volume_id,j.user_id,j.from_ip,j.to_ip,j.type,j.track,"Trial Access" as access_base_text, CASE j.type WHEN 111 THEN true ELSE false END as terms_popup, "S" as content_download_type, null as restricted_user_access_key, null as restricted_user_access_type, CASE j.track WHEN 0 THEN false ELSE true END as tracksAccessByVolume,"chapter" as access_level, j.chapter_id from `user_access_chapter_trail` as `j` inner join `user_access_info` as `info` on `j`.`user_access_id` = `info`.`user_access_id` where ((j.from_ip <= 316522063 and j.to_ip >=316522063 )) and ((j.from_date <= 1740515477 and j.to_date >= 1740515477 and j.perpetual= 0) or (j.from_date is null and j.to_date is null and j.perpetual= 1)) and j.chapter_id = 11694) union (select j.user_access_id,j.volume_id,j.user_id,j.from_ip,j.to_ip,j.type,j.track,"Subscribed" as access_base_text, false as terms_popup, "S" as content_download_type, null as restricted_user_access_key, null as restricted_user_access_type, CASE j.track WHEN 0 THEN false ELSE true END as tracksAccessByVolume,"chapter" as access_level, j.chapter_id from `user_access_chapter_corporate` as `j` inner join `user_access_info` as `info` on `j`.`user_access_id` = `info`.`user_access_id` where ((j.from_ip <= 316522063 and j.to_ip >=316522063 )) and ((j.from_date <= 1740515477 and j.to_date >= 1740515477 and j.perpetual= 0) or (j.from_date is null and j.to_date is null and j.perpetual= 1)) and j.chapter_id = 11694) union (select j.user_access_id,j.volume_id,j.user_id,j.from_ip,j.to_ip,j.type,j.track,"Token Based Access" as access_base_text, false as terms_popup, "R" as content_download_type, j.uc_id as restricted_user_access_key, "v" as restricted_user_access_type, CASE j.track WHEN 0 THEN false ELSE true END as tracksAccessByVolume,"chapter" as access_level, j.chapter_id from `user_access_chapter_token` as `j` inner join `user_access_info` as `info` on `j`.`user_access_id` = `info`.`user_access_id` where ((j.from_ip <= 316522063 and j.to_ip >=316522063 )) and ((j.from_date <= 1740515477 and j.to_date >= 1740515477 and j.perpetual= 0) or (j.from_date is null and j.to_date is null and j.perpetual= 1)) and j.chapter_id = 11694)
      650μsalphaeurekaselec_live_10_06_2022UserAccess.php#1266
      Backtrace
      • 13. app/Models/UserAccess/UserAccess.php:1266
      • 14. app/Http/Controllers/ChapterController.php:1549
      • 15. vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
      • 16. vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43
      • 17. vendor/laravel/framework/src/Illuminate/Routing/Route.php:260
    • select b.banner_link, b.banner_name, b.banner_script, b.banner_remarks, b.banner_file_name, b.banner_placement, bd.content_type, bd.content_id from `tbl_banner` as `b` inner join `tbl_banner_detail` as `bd` on `bd`.`banner_id` = `b`.`banner_id` inner join `users` as `u` on `u`.`id` = `b`.`updated_by` where `b`.`banner_ebook` = 1 and `bd`.`content_type` = 'B' and `bd`.`content_id` = 2406 and `b`.`banner_from_date` <= 1740515477 and `b`.`banner_to_date` >= 1740515477 and `b`.`banner_status` = 'A' order by `b`.`banner_id` desc
      1.06msalphaeurekaselec_live_10_06_2022Banner.php#95
      Bindings
      • 0: 1
      • 1: B
      • 2: 2406
      • 3: 1740515477
      • 4: 1740515477
      • 5: A
      Backtrace
      • 13. app/Models/Banner.php:95
      • 14. app/Http/helpers.php:404
      • 17. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:124
      • 18. vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58
      • 19. vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:73
    • select count(*) as aggregate from `uc_cart_products` where cart_id='bb1c0f5634a776e5549acc00e38279ab'
      220μsalphaeurekaselec_live_10_06_2022Cart.php#271
      Backtrace
      • 15. app/Models/Cart.php:271
      • 16. view::layouts._header:260
      • 18. vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:124
      • 19. vendor/laravel/framework/src/Illuminate/View/Engines/PhpEngine.php:58
      • 20. vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:73
    App\Models\Keywords
    8Keywords.php#?
    App\Models\Chapter
    1Chapter.php#?
    App\Models\Ebook
    1Ebook.php#?
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        uc_cart_id
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        _previous
        array:1 [ "url" => "https://alpha.eurekaselect.com/chapter/11694" ]
        _flash
        array:2 [ "old" => [] "new" => [] ]
        PHPDEBUGBAR_STACK_DATA
        []
        path_info
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        status_code
        200
        
        status_text
        OK
        format
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        content_type
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        request_query
        []
        
        request_request
        []
        
        request_headers
        0 of 0
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        request_cookies
        0 of 0
        array:1 [ "wayfindertarget" => null ]
        response_headers
        0 of 0
        array:5 [ "content-type" => array:1 [ 0 => "text/html; charset=UTF-8" ] "cache-control" => array:1 [ 0 => "no-cache, private" ] "date" => array:1 [ 0 => "Tue, 25 Feb 2025 20:31:17 GMT" ] "set-cookie" => array:2 [ 0 => "XSRF-TOKEN=eyJpdiI6Im8rb2ZwbDluNERKMnR5OXBEbXhjWFE9PSIsInZhbHVlIjoiQW5QOTBpa1ZnbFpEOHl4Vk54MkZkNjQ3bExhNVU5dXZSUkNDRWFjSExJTWpOQ0xZVnhRa3RiSE9LUk9na3BKUmtaWFYxbUprVDEzU0RudCs5V01oTHhsaGg5UHZhZnJieEVFdEZ1MzFmaXBUUmRNdk13R25CYmRudjZBaVF2SGMiLCJtYWMiOiIyZDE0MjFlN2E4ZDU0YWQ5YzM1YjgxY2MyYmZlZDYzNzVjOTg0NDE1N2Y4MmJhMTQ1NGEyM2UyYThhYWI4ZTA4IiwidGFnIjoiIn0%3D; expires=Fri, 28 Feb 2025 08:31:17 GMT; Max-Age=216000; path=/; secure; samesite=laxXSRF-TOKEN=eyJpdiI6Im8rb2ZwbDluNERKMnR5OXBEbXhjWFE9PSIsInZhbHVlIjoiQW5QOTBpa1ZnbFpEOHl4Vk54MkZkNjQ3bExhNVU5dXZSUkNDRWFjSExJTWpOQ0xZVnhRa3RiSE9LUk9na3BKUmtaWFYxb" 1 => "alphaeurekaselectnet_session=eyJpdiI6ImZBVyszQUtUeWQ3UmgvdnlCWENhSXc9PSIsInZhbHVlIjoic3VUUk9xUzd1TFIyUjBacjJkSC9nUVd6aXZHM05HSm1lRVBORUVOOWwxVmFCTVhxRGxtYXlzVUZWWkVtVHhQQVFwaGYwVXI5Ykp5aytHc2RDTFpzRnMraXMyN3MzV05HSXp2UVZjQ1dTYndFdnVwc3ozNjFGMTF0SU1Kc0xHWjQiLCJtYWMiOiI0N2Y3MmEwMDhhMWU2Y2QwZTU2ZmM1MzJkZmViNzQwYTFkODUwNjUxZTliMTA5ZWNiYzRjOWJhZWYxNWE5ZTE4IiwidGFnIjoiIn0%3D; path=/; secure; httponly; samesite=laxalphaeurekaselectnet_session=eyJpdiI6ImZBVyszQUtUeWQ3UmgvdnlCWENhSXc9PSIsInZhbHVlIjoic3VUUk9xUzd1TFIyUjBacjJkSC9nUVd6aXZHM05HSm1lRVBORUVOOWwxVmFCTVhxRGxtYXlzVUZ" ] "Set-Cookie" => array:2 [ 0 => "XSRF-TOKEN=eyJpdiI6Im8rb2ZwbDluNERKMnR5OXBEbXhjWFE9PSIsInZhbHVlIjoiQW5QOTBpa1ZnbFpEOHl4Vk54MkZkNjQ3bExhNVU5dXZSUkNDRWFjSExJTWpOQ0xZVnhRa3RiSE9LUk9na3BKUmtaWFYxbUprVDEzU0RudCs5V01oTHhsaGg5UHZhZnJieEVFdEZ1MzFmaXBUUmRNdk13R25CYmRudjZBaVF2SGMiLCJtYWMiOiIyZDE0MjFlN2E4ZDU0YWQ5YzM1YjgxY2MyYmZlZDYzNzVjOTg0NDE1N2Y4MmJhMTQ1NGEyM2UyYThhYWI4ZTA4IiwidGFnIjoiIn0%3D; expires=Fri, 28-Feb-2025 08:31:17 GMT; path=/; secureXSRF-TOKEN=eyJpdiI6Im8rb2ZwbDluNERKMnR5OXBEbXhjWFE9PSIsInZhbHVlIjoiQW5QOTBpa1ZnbFpEOHl4Vk54MkZkNjQ3bExhNVU5dXZSUkNDRWFjSExJTWpOQ0xZVnhRa3RiSE9LUk9na3BKUmtaWFYxb" 1 => "alphaeurekaselectnet_session=eyJpdiI6ImZBVyszQUtUeWQ3UmgvdnlCWENhSXc9PSIsInZhbHVlIjoic3VUUk9xUzd1TFIyUjBacjJkSC9nUVd6aXZHM05HSm1lRVBORUVOOWwxVmFCTVhxRGxtYXlzVUZWWkVtVHhQQVFwaGYwVXI5Ykp5aytHc2RDTFpzRnMraXMyN3MzV05HSXp2UVZjQ1dTYndFdnVwc3ozNjFGMTF0SU1Kc0xHWjQiLCJtYWMiOiI0N2Y3MmEwMDhhMWU2Y2QwZTU2ZmM1MzJkZmViNzQwYTFkODUwNjUxZTliMTA5ZWNiYzRjOWJhZWYxNWE5ZTE4IiwidGFnIjoiIn0%3D; path=/; secure; httponlyalphaeurekaselectnet_session=eyJpdiI6ImZBVyszQUtUeWQ3UmgvdnlCWENhSXc9PSIsInZhbHVlIjoic3VUUk9xUzd1TFIyUjBacjJkSC9nUVd6aXZHM05HSm1lRVBORUVOOWwxVmFCTVhxRGxtYXlzVUZ" ] ]
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        array:5 [ "_token" => "w5hsXXBAS9j0ojNc3EYYJeFNjOG6tKp0x5LIW57G" "uc_cart_id" => "bb1c0f5634a776e5549acc00e38279ab" "_previous" => array:1 [ "url" => "https://alpha.eurekaselect.com/chapter/11694" ] "_flash" => array:2 [ "old" => [] "new" => [] ] "PHPDEBUGBAR_STACK_DATA" => [] ]
        ClearShow all
        Date ↕MethodURLData
        #12025-02-25 20:31:17GET/chapter/116941121910