Bypass Transition
In this chapter we focus mainly upon the problem of vortex- induced instability that creates large perturbations without the appearance of Tollmien-Schlichting waves. Interaction of a shear layer with a finite-core vortex leading to unsteady separation in
- PDF / 1,462,291 Bytes
- 27 Pages / 439.37 x 666.142 pts Page_size
- 71 Downloads / 180 Views
" :\YP >KZKX 5 =OXQ_Z^K 2:-6 +O\Y]ZKMO /XQSXOO\SXQ 33> 5KXZ_\
#CIGD9J8I>DC
3X ^RS] MRKZ^O\ aO PYM_] WKSXVc _ZYX ^RO Z\YLVOW YP `Y\^Ob SXN_MON SX ]^KLSVS^c ^RK^ M\OK^O] VK\QO ZO\^_\LK^SYX] aS^RY_^ ^RO KZZOK\KXMO YP >YVVWSOX =MRVSMR^SXQ aK`O] 3X^O\KM^SYX YP K ]ROK\ VKcO\ aS^R K XS^OMY\O `Y\^Ob VOKN SXQ ^Y _X]^OKNc ]OZK\K^SYX SX K LY_XNK\c VKcO\ aK] XY^ON Lc .YVSQKV]US 4C 0; &&! 0B >=4 >5 C74 BC 8AC0=C D=B>;E43 ?A>1;45 D83 3H=0< 82B =_MR _X]^OKNc ]OZK\K^SYX S] Z\O]OX^ SX S 0VYa ZK]^ ]_\PKMOWY_X^ON YL]^KMVO]( SS .cXKWSM ]^KVV KXN LVKNO `Y\^Ob SX^O\KM^SYX ,@3( SSS 3W Z_V]S`O WY^SYX YP LV_ LYNSO]( S` 8OK\aKVV ^_\L_VOXMO KXN ` ,cZK]] ^\KX]S^SYX ^\SQQO\ON Lc KZO\SYNSM MYX`OM^SXQ `Y\^SMO] 3X ^RS] MRKZ^O\ aO aSVV PYM_] YX ^RO VK]^ ^YZSM YXVc K] KX ObKWZVO YP K ZRc]SMKV WOMRKXS]W N_\SXQ LcZK]] ^\KX]S^SYX >RO ]KWO WOMRKXS]W S] KV]Y Z\O]OX^ SX ^RO Y^RO\ ObKWZVO] WOX^SYXON KLY`O ?X]^OKNc Ya ]OZK\K^SYX RK] LOOX NS]M_]]ON KV]Y SX .OQKXS 4C 0; &&% KXN Y^RO\ \OPO\OXMO] MYX^KSXON ^RO\OSX ,\SXMU WKX AKVUO\ RK`O ]^_NSON XOK\aKVV ONNc PY\WK^SYX SX ^_\L_VOX^ LY_XNK\c VKcO\] 3X ^RS] VK]^ aY\U K VK^O ]^KQO YP ^\KX]S^SYX aRY]O Y\SQSX S] MYWZVO^OVc NSO\OX^ P\YW YXO M\OK^ON Lc VSXOK\ SX]^KLSVS^c aK] ]^_NSON SX K [_K]S ^aYNSWOX]SYXKV P\KWOaY\U =WS^R 4C 0; && KXN R_] ^RO Z\YLVOW MYX]SNO\ON SX ^RS] MRKZ^O\ RK] WKXc `K\SK^SYX] L_^ aO aSVV YXVc MYX]SNO\ ^RO MK]O aRO\O Z\SWK\c SX]^KLSVS^c S] ^\SQQO\ON Lc K MYX`OM^SXQ `Y\^Ob Y`O\ K aKVVLY_XNON ]ROK\ VKcO\ K] NO]M\SLON SX =OXQ_Z^K 4C 0; =OXQ_Z^K .SZKXUK\ " KXN 6SW O^ KV !
!
' !! !" -G6CH>I>DC K>6 !GDL>C< 06K:H 6C9 NE6HH -G6CH>I>DC
3X ^RO Z\O`SY_] MRKZ^O\ aO RK`O XY^ON ^RK^ K ^\KSX YP ZO\SYNSM MYX`OM^SXQ `Y\^SMO] SX ^RO P\OO]^\OKW Z\YN_MO >YVVWSOX=MRVSMR^SXQ aK`O] aRY]O NcXKW SM] S] NSO\OX^ ^RKX ^RY]O Z\YN_MON Lc aKVV ObMS^K^SYX Y\ ^RK^ aK] YL]O\`ON SX ^RO `SL\K^SXQ \SLLYX ObZO\SWOX^ YP =MR_LK_O\ =U\KW]^KN &!$ >RO\O K\O POa \OK]YX] PY\ ^RO [_KVS^K^S`O NSO\OXMO] LO^aOOX P\OO]^\OKW KXN aKVV ObMS^K^SYX] 3X ^RO Z\O`SY_] MRKZ^O\ aO RK`O SNOX^S ON F0;; KXN 5A44BCA40< 34 K] ^RO ^aY NSO\OX^ ^cZO] YP OX]_SXQ WY^SYX ]OOX PY\ ^RO]O ^aY ^cZO] YP ObMS^K^SYX 0S\]^Vc SX `SL\K^SXQ \SLLYX ObZO\SWOX^ WYXYMR\YWK^SM >= aK`O] K\O M\OK^ON Lc MYX]^KX^ P\O[_OXMc ObMS^K^SYX K^ Y\ `O\c XOK\ ^RO aKVV 0Y\ P\OO]^\OKW ObMS^K^SYX ^RO \O]ZYX]O OVN S] W_V^SZO\SYNSM SX ^SWO K] Ob Z\O]]ON SX /[X $ KXN ]RYaX SX ^RO X_WO\SMKV \O]_V^] SX 0SQ] ! " KXN $ >RO ObMS^K^SYX S] O]]OX^SKVVc L\YKNLKXN =OMYXNVc ^RO P\OO]^\OKW ObMS^K^SYX MKX M\OK^O LY^R NYaX]^\OKW KXN _Z]^\OKW Z\YZKQK^SXQ NS]^_\ LKXMO OVN] 0SXKVVc SX MYX^\K]^ ^Y ^RO `SL\K^SXQ \SLLYX MK]O SX P\OO]^\OKW ObMS^K^SYX YXO MKX M\OK^O NS]^_\LKXMO aK`OZKMUO^ ^RK^ \OWKSX] aS^RSX ^RO _X]^KLVO \KXQO Y`O\ K VYXQO\ ]^\O^MR KXN KV]Y ]_O\ W_MR RSQRO\ Q\Ya^R \K^O] K] MKX LO \OK]YXON OK]SVc P\YW 0SQ 3X MYX^\K]^ PY\ ^RO MK]O YP ZO\SYNSM ^\KSX YP `Y\^SMO] MYX`OM^SXQ SX ^RO P\OO]^\OKW K^ K MYX]^KX^ ]ZOON YXO PYVVY
Data Loading...
