id sid tid token lemma pos rr171v5751q 1 1 for for ADP rr171v5751q 1 2 an an DET rr171v5751q 1 3 airborne airborne ADJ rr171v5751q 1 4 optical optical ADJ rr171v5751q 1 5 beam beam NOUN rr171v5751q 1 6 - - PUNCT rr171v5751q 1 7 director director NOUN rr171v5751q 1 8 the the DET rr171v5751q 1 9 use use NOUN rr171v5751q 1 10 of of ADP rr171v5751q 1 11 a a DET rr171v5751q 1 12 spherical spherical ADJ rr171v5751q 1 13 turret turret NOUN rr171v5751q 1 14 is be AUX rr171v5751q 1 15 a a DET rr171v5751q 1 16 common common ADJ rr171v5751q 1 17 choice choice NOUN rr171v5751q 1 18 , , PUNCT rr171v5751q 1 19 however however ADV rr171v5751q 1 20 , , PUNCT rr171v5751q 1 21 turrets turret NOUN rr171v5751q 1 22 are be AUX rr171v5751q 1 23 far far ADV rr171v5751q 1 24 from from ADP rr171v5751q 1 25 ideal ideal ADJ rr171v5751q 1 26 from from ADP rr171v5751q 1 27 an an DET rr171v5751q 1 28 aero aero NOUN rr171v5751q 1 29 - - PUNCT rr171v5751q 1 30 optical optical ADJ rr171v5751q 1 31 standpoint standpoint NOUN rr171v5751q 1 32 . . PUNCT rr171v5751q 2 1 this this PRON rr171v5751q 2 2 is be AUX rr171v5751q 2 3 due due ADJ rr171v5751q 2 4 primarily primarily ADV rr171v5751q 2 5 to to ADP rr171v5751q 2 6 two two NUM rr171v5751q 2 7 dominant dominant ADJ rr171v5751q 2 8 aero aero NOUN rr171v5751q 2 9 - - PUNCT rr171v5751q 2 10 optical optical ADJ rr171v5751q 2 11 features feature NOUN rr171v5751q 2 12 , , PUNCT rr171v5751q 2 13 consisting consist VERB rr171v5751q 2 14 of of ADP rr171v5751q 2 15 the the DET rr171v5751q 2 16 separation separation NOUN rr171v5751q 2 17 region region NOUN rr171v5751q 2 18 on on ADP rr171v5751q 2 19 the the DET rr171v5751q 2 20 aft aft NOUN rr171v5751q 2 21 of of ADP rr171v5751q 2 22 the the DET rr171v5751q 2 23 turret turret NOUN rr171v5751q 2 24 and and CCONJ rr171v5751q 2 25 , , PUNCT rr171v5751q 2 26 at at ADP rr171v5751q 2 27 high high ADJ rr171v5751q 2 28 enough enough ADJ rr171v5751q 2 29 mach mach NOUN rr171v5751q 2 30 numbers number NOUN rr171v5751q 2 31 , , PUNCT rr171v5751q 2 32 the the DET rr171v5751q 2 33 presence presence NOUN rr171v5751q 2 34 of of ADP rr171v5751q 2 35 a a DET rr171v5751q 2 36 shock shock NOUN rr171v5751q 2 37 . . PUNCT rr171v5751q 3 1 in in ADP rr171v5751q 3 2 order order NOUN rr171v5751q 3 3 to to PART rr171v5751q 3 4 mitigate mitigate VERB rr171v5751q 3 5 or or CCONJ rr171v5751q 3 6 eliminate eliminate VERB rr171v5751q 3 7 these these DET rr171v5751q 3 8 dominant dominant ADJ rr171v5751q 3 9 optically optically ADV rr171v5751q 3 10 - - PUNCT rr171v5751q 3 11 active active ADJ rr171v5751q 3 12 flows flow NOUN rr171v5751q 3 13 over over ADP rr171v5751q 3 14 a a DET rr171v5751q 3 15 spherically spherically ADV rr171v5751q 3 16 - - PUNCT rr171v5751q 3 17 shaped shape VERB rr171v5751q 3 18 turret turret NOUN rr171v5751q 3 19 , , PUNCT rr171v5751q 3 20 the the DET rr171v5751q 3 21 " " PUNCT rr171v5751q 3 22 virtual virtual ADJ rr171v5751q 3 23 - - PUNCT rr171v5751q 3 24 duct duct NOUN rr171v5751q 3 25 " " PUNCT rr171v5751q 3 26 technology technology NOUN rr171v5751q 3 27 was be AUX rr171v5751q 3 28 designed design VERB rr171v5751q 3 29 as as ADP rr171v5751q 3 30 a a DET rr171v5751q 3 31 passive passive ADJ rr171v5751q 3 32 flow flow NOUN rr171v5751q 3 33 - - PUNCT rr171v5751q 3 34 control control NOUN rr171v5751q 3 35 approach approach NOUN rr171v5751q 3 36 . . PUNCT rr171v5751q 4 1 the the DET rr171v5751q 4 2 virtual virtual ADJ rr171v5751q 4 3 - - PUNCT rr171v5751q 4 4 duct duct NOUN rr171v5751q 4 5 is be AUX rr171v5751q 4 6 designed design VERB rr171v5751q 4 7 as as ADP rr171v5751q 4 8 a a DET rr171v5751q 4 9 fence fence NOUN rr171v5751q 4 10 with with ADP rr171v5751q 4 11 a a DET rr171v5751q 4 12 diffusion diffusion NOUN rr171v5751q 4 13 section section NOUN rr171v5751q 4 14 and and CCONJ rr171v5751q 4 15 a a DET rr171v5751q 4 16 contraction contraction NOUN rr171v5751q 4 17 section section NOUN rr171v5751q 4 18 with with ADP rr171v5751q 4 19 contours contour NOUN rr171v5751q 4 20 generated generate VERB rr171v5751q 4 21 using use VERB rr171v5751q 4 22 5th 5th ADJ rr171v5751q 4 23 order order NOUN rr171v5751q 4 24 polynomials polynomial NOUN rr171v5751q 4 25 . . PUNCT rr171v5751q 5 1 previous previous ADJ rr171v5751q 5 2 investigations investigation NOUN rr171v5751q 5 3 revealed reveal VERB rr171v5751q 5 4 that that SCONJ rr171v5751q 5 5 the the DET rr171v5751q 5 6 virtual virtual ADJ rr171v5751q 5 7 - - PUNCT rr171v5751q 5 8 duct duct NOUN rr171v5751q 5 9 also also ADV rr171v5751q 5 10 generated generate VERB rr171v5751q 5 11 secondary secondary ADJ rr171v5751q 5 12 flows flow NOUN rr171v5751q 5 13 on on ADP rr171v5751q 5 14 the the DET rr171v5751q 5 15 turret turret NOUN rr171v5751q 5 16 surface surface NOUN rr171v5751q 5 17 , , PUNCT rr171v5751q 5 18 in in ADP rr171v5751q 5 19 particular particular ADJ rr171v5751q 5 20 , , PUNCT rr171v5751q 5 21 oil oil NOUN rr171v5751q 5 22 - - PUNCT rr171v5751q 5 23 flow flow NOUN rr171v5751q 5 24 visualization visualization NOUN rr171v5751q 5 25 showed show VERB rr171v5751q 5 26 regions region NOUN rr171v5751q 5 27 next next ADV rr171v5751q 5 28 to to ADP rr171v5751q 5 29 the the DET rr171v5751q 5 30 virtual virtual ADJ rr171v5751q 5 31 - - PUNCT rr171v5751q 5 32 duct duct NOUN rr171v5751q 5 33 fences fence NOUN rr171v5751q 5 34 that that PRON rr171v5751q 5 35 were be AUX rr171v5751q 5 36 swept sweep VERB rr171v5751q 5 37 clear clear ADJ rr171v5751q 5 38 of of ADP rr171v5751q 5 39 oil oil NOUN rr171v5751q 5 40 that that PRON rr171v5751q 5 41 was be AUX rr171v5751q 5 42 pushed push VERB rr171v5751q 5 43 towards towards ADP rr171v5751q 5 44 the the DET rr171v5751q 5 45 centerline centerline NOUN rr171v5751q 5 46 of of ADP rr171v5751q 5 47 the the DET rr171v5751q 5 48 hemisphere hemisphere NOUN rr171v5751q 5 49 . . PUNCT rr171v5751q 6 1 further further ADJ rr171v5751q 6 2 investigation investigation NOUN rr171v5751q 6 3 showed show VERB rr171v5751q 6 4 that that SCONJ rr171v5751q 6 5 these these DET rr171v5751q 6 6 oil oil NOUN rr171v5751q 6 7 - - PUNCT rr171v5751q 6 8 free free ADJ rr171v5751q 6 9 regions region NOUN rr171v5751q 6 10 were be AUX rr171v5751q 6 11 caused cause VERB rr171v5751q 6 12 by by ADP rr171v5751q 6 13 streamwise streamwise NOUN rr171v5751q 6 14 vorticies vorticie NOUN rr171v5751q 6 15 that that DET rr171v5751q 6 16 form form NOUN rr171v5751q 6 17 in in ADP rr171v5751q 6 18 the the DET rr171v5751q 6 19 corners corner NOUN rr171v5751q 6 20 of of ADP rr171v5751q 6 21 the the DET rr171v5751q 6 22 virtual virtual ADJ rr171v5751q 6 23 - - PUNCT rr171v5751q 6 24 duct duct NOUN rr171v5751q 6 25 at at ADP rr171v5751q 6 26 the the DET rr171v5751q 6 27 junction junction NOUN rr171v5751q 6 28 between between ADP rr171v5751q 6 29 the the DET rr171v5751q 6 30 virtual virtual ADJ rr171v5751q 6 31 - - PUNCT rr171v5751q 6 32 duct duct NOUN rr171v5751q 6 33 fences fence NOUN rr171v5751q 6 34 and and CCONJ rr171v5751q 6 35 the the DET rr171v5751q 6 36 turret turret NOUN rr171v5751q 6 37 surfaces.this surfaces.this NOUN rr171v5751q 6 38 dissertation dissertation NOUN rr171v5751q 6 39 describes describe VERB rr171v5751q 6 40 research research NOUN rr171v5751q 6 41 into into ADP rr171v5751q 6 42 the the DET rr171v5751q 6 43 mechanism mechanism NOUN rr171v5751q 6 44 behind behind ADP rr171v5751q 6 45 the the DET rr171v5751q 6 46 generation generation NOUN rr171v5751q 6 47 of of ADP rr171v5751q 6 48 these these DET rr171v5751q 6 49 corner corner NOUN rr171v5751q 6 50 vorticies vorticie NOUN rr171v5751q 6 51 , , PUNCT rr171v5751q 6 52 their their PRON rr171v5751q 6 53 general general ADJ rr171v5751q 6 54 behavior behavior NOUN rr171v5751q 6 55 , , PUNCT rr171v5751q 6 56 and and CCONJ rr171v5751q 6 57 their their PRON rr171v5751q 6 58 effect effect NOUN rr171v5751q 6 59 on on ADP rr171v5751q 6 60 the the DET rr171v5751q 6 61 virtual virtual ADJ rr171v5751q 6 62 - - PUNCT rr171v5751q 6 63 duct duct NOUN rr171v5751q 6 64 aero aero NOUN rr171v5751q 6 65 - - PUNCT rr171v5751q 6 66 optical optical ADJ rr171v5751q 6 67 performance performance NOUN rr171v5751q 6 68 . . PUNCT rr171v5751q 7 1 results result NOUN rr171v5751q 7 2 are be AUX rr171v5751q 7 3 shown show VERB rr171v5751q 7 4 for for ADP rr171v5751q 7 5 steady steady ADJ rr171v5751q 7 6 flow flow NOUN rr171v5751q 7 7 measurements measurement NOUN rr171v5751q 7 8 performed perform VERB rr171v5751q 7 9 in in ADP rr171v5751q 7 10 low low ADJ rr171v5751q 7 11 - - PUNCT rr171v5751q 7 12 speed speed NOUN rr171v5751q 7 13 flow flow NOUN rr171v5751q 7 14 ( ( PUNCT rr171v5751q 7 15 m m VERB rr171v5751q 7 16 approximately approximately ADV rr171v5751q 7 17 0.12 0.12 NUM rr171v5751q 7 18 ) ) PUNCT rr171v5751q 7 19 for for ADP rr171v5751q 7 20 virtual virtual ADJ rr171v5751q 7 21 - - PUNCT rr171v5751q 7 22 ducts duct NOUN rr171v5751q 7 23 of of ADP rr171v5751q 7 24 varying vary VERB rr171v5751q 7 25 curvature curvature NOUN rr171v5751q 7 26 on on ADP rr171v5751q 7 27 ; ; PUNCT rr171v5751q 7 28 flat flat ADJ rr171v5751q 7 29 plates plate NOUN rr171v5751q 7 30 with with ADP rr171v5751q 7 31 different different ADJ rr171v5751q 7 32 boundary boundary ADJ rr171v5751q 7 33 layer layer NOUN rr171v5751q 7 34 growth growth NOUN rr171v5751q 7 35 distances distance NOUN rr171v5751q 7 36 , , PUNCT rr171v5751q 7 37 and and CCONJ rr171v5751q 7 38 on on ADP rr171v5751q 7 39 a a DET rr171v5751q 7 40 hemisphere hemisphere NOUN rr171v5751q 7 41 of of ADP rr171v5751q 7 42 diameter diameter NOUN rr171v5751q 7 43 , , PUNCT rr171v5751q 7 44 d d NOUN rr171v5751q 7 45 = = SYM rr171v5751q 7 46 0.3048 0.3048 NUM rr171v5751q 7 47 m. m. NOUN rr171v5751q 7 48 oil oil NOUN rr171v5751q 7 49 - - PUNCT rr171v5751q 7 50 flow flow NOUN rr171v5751q 7 51 visualization visualization NOUN rr171v5751q 7 52 , , PUNCT rr171v5751q 7 53 surface surface NOUN rr171v5751q 7 54 pressure pressure NOUN rr171v5751q 7 55 , , PUNCT rr171v5751q 7 56 and and CCONJ rr171v5751q 7 57 five five NUM rr171v5751q 7 58 hole hole NOUN rr171v5751q 7 59 flow flow NOUN rr171v5751q 7 60 angle angle NOUN rr171v5751q 7 61 probe probe NOUN rr171v5751q 7 62 measurements measurement NOUN rr171v5751q 7 63 were be AUX rr171v5751q 7 64 conducted conduct VERB rr171v5751q 7 65 to to PART rr171v5751q 7 66 study study VERB rr171v5751q 7 67 the the DET rr171v5751q 7 68 secondary secondary ADJ rr171v5751q 7 69 flow flow NOUN rr171v5751q 7 70 corner corner NOUN rr171v5751q 7 71 vorticies vorticie NOUN rr171v5751q 7 72 . . PUNCT rr171v5751q 8 1 results result NOUN rr171v5751q 8 2 show show VERB rr171v5751q 8 3 that that SCONJ rr171v5751q 8 4 these these DET rr171v5751q 8 5 vorticies vorticie NOUN rr171v5751q 8 6 are be AUX rr171v5751q 8 7 generated generate VERB rr171v5751q 8 8 from from ADP rr171v5751q 8 9 a a DET rr171v5751q 8 10 local local ADJ rr171v5751q 8 11 corner corner NOUN rr171v5751q 8 12 separation separation NOUN rr171v5751q 8 13 within within ADP rr171v5751q 8 14 the the DET rr171v5751q 8 15 diffusion diffusion NOUN rr171v5751q 8 16 section section NOUN rr171v5751q 8 17 of of ADP rr171v5751q 8 18 the the DET rr171v5751q 8 19 virtual virtual ADJ rr171v5751q 8 20 - - PUNCT rr171v5751q 8 21 duct duct NOUN rr171v5751q 8 22 , , PUNCT rr171v5751q 8 23 and and CCONJ rr171v5751q 8 24 are be AUX rr171v5751q 8 25 dependent dependent ADJ rr171v5751q 8 26 on on ADP rr171v5751q 8 27 the the DET rr171v5751q 8 28 curvature curvature NOUN rr171v5751q 8 29 and and CCONJ rr171v5751q 8 30 hence hence ADV rr171v5751q 8 31 possibly possibly ADV rr171v5751q 8 32 the the DET rr171v5751q 8 33 adverse adverse ADJ rr171v5751q 8 34 pressure pressure NOUN rr171v5751q 8 35 gradient gradient NOUN rr171v5751q 8 36 in in ADP rr171v5751q 8 37 the the DET rr171v5751q 8 38 diffusing diffuse VERB rr171v5751q 8 39 section section NOUN rr171v5751q 8 40 . . PUNCT rr171v5751q 9 1 the the DET rr171v5751q 9 2 strength strength NOUN rr171v5751q 9 3 of of ADP rr171v5751q 9 4 the the DET rr171v5751q 9 5 corner corner NOUN rr171v5751q 9 6 vorticies vorticie NOUN rr171v5751q 9 7 do do AUX rr171v5751q 9 8 not not PART rr171v5751q 9 9 seem seem VERB rr171v5751q 9 10 to to PART rr171v5751q 9 11 be be AUX rr171v5751q 9 12 dependent dependent ADJ rr171v5751q 9 13 on on ADP rr171v5751q 9 14 the the DET rr171v5751q 9 15 underlying underlying ADJ rr171v5751q 9 16 model model NOUN rr171v5751q 9 17 surface surface NOUN rr171v5751q 9 18 , , PUNCT rr171v5751q 9 19 showing show VERB rr171v5751q 9 20 circulation circulation NOUN rr171v5751q 9 21 that that PRON rr171v5751q 9 22 is be AUX rr171v5751q 9 23 the the DET rr171v5751q 9 24 same same ADJ rr171v5751q 9 25 whether whether SCONJ rr171v5751q 9 26 the the DET rr171v5751q 9 27 virtual virtual ADJ rr171v5751q 9 28 - - PUNCT rr171v5751q 9 29 duct duct NOUN rr171v5751q 9 30 fences fence NOUN rr171v5751q 9 31 are be AUX rr171v5751q 9 32 mounted mount VERB rr171v5751q 9 33 on on ADP rr171v5751q 9 34 a a DET rr171v5751q 9 35 flat flat ADJ rr171v5751q 9 36 plate plate NOUN rr171v5751q 9 37 or or CCONJ rr171v5751q 9 38 hemisphere.the hemisphere.the DET rr171v5751q 9 39 research research NOUN rr171v5751q 9 40 also also ADV rr171v5751q 9 41 experimentally experimentally VERB rr171v5751q 9 42 demonstrates demonstrate VERB rr171v5751q 9 43 that that SCONJ rr171v5751q 9 44 the the DET rr171v5751q 9 45 virtual virtual ADJ rr171v5751q 9 46 - - PUNCT rr171v5751q 9 47 duct duct NOUN rr171v5751q 9 48 is be AUX rr171v5751q 9 49 performing perform VERB rr171v5751q 9 50 as as SCONJ rr171v5751q 9 51 intended intend VERB rr171v5751q 9 52 by by ADP rr171v5751q 9 53 countering counter VERB rr171v5751q 9 54 the the DET rr171v5751q 9 55 effects effect NOUN rr171v5751q 9 56 of of ADP rr171v5751q 9 57 turret turret NOUN rr171v5751q 9 58 curvature curvature NOUN rr171v5751q 9 59 by by ADP rr171v5751q 9 60 increasing increase VERB rr171v5751q 9 61 the the DET rr171v5751q 9 62 centerline centerline NOUN rr171v5751q 9 63 pressure pressure NOUN rr171v5751q 9 64 coefficient coefficient NOUN rr171v5751q 9 65 and and CCONJ rr171v5751q 9 66 delaying delay VERB rr171v5751q 9 67 separation separation NOUN rr171v5751q 9 68 off off ADP rr171v5751q 9 69 the the DET rr171v5751q 9 70 aft aft NOUN rr171v5751q 9 71 of of ADP rr171v5751q 9 72 the the DET rr171v5751q 9 73 turret turret NOUN rr171v5751q 9 74 , , PUNCT rr171v5751q 9 75 however however ADV rr171v5751q 9 76 performance performance NOUN rr171v5751q 9 77 is be AUX rr171v5751q 9 78 reduced reduce VERB rr171v5751q 9 79 by by ADP rr171v5751q 9 80 the the DET rr171v5751q 9 81 presence presence NOUN rr171v5751q 9 82 of of ADP rr171v5751q 9 83 the the DET rr171v5751q 9 84 corner corner NOUN rr171v5751q 9 85 vorticies vorticie NOUN rr171v5751q 9 86 . . PUNCT rr171v5751q 10 1 the the DET rr171v5751q 10 2 flow flow NOUN rr171v5751q 10 3 measurements measurement NOUN rr171v5751q 10 4 also also ADV rr171v5751q 10 5 show show VERB rr171v5751q 10 6 that that SCONJ rr171v5751q 10 7 the the DET rr171v5751q 10 8 initial initial ADJ rr171v5751q 10 9 corner corner NOUN rr171v5751q 10 10 separation separation NOUN rr171v5751q 10 11 that that PRON rr171v5751q 10 12 generates generate VERB rr171v5751q 10 13 the the DET rr171v5751q 10 14 corner corner NOUN rr171v5751q 10 15 vorticies vorticie NOUN rr171v5751q 10 16 is be AUX rr171v5751q 10 17 local local ADJ rr171v5751q 10 18 to to ADP rr171v5751q 10 19 the the DET rr171v5751q 10 20 intersection intersection NOUN rr171v5751q 10 21 of of ADP rr171v5751q 10 22 the the DET rr171v5751q 10 23 virtual virtual ADJ rr171v5751q 10 24 - - PUNCT rr171v5751q 10 25 duct duct NOUN rr171v5751q 10 26 and and CCONJ rr171v5751q 10 27 the the DET rr171v5751q 10 28 mounting mount VERB rr171v5751q 10 29 surface surface NOUN rr171v5751q 10 30 , , PUNCT rr171v5751q 10 31 and and CCONJ rr171v5751q 10 32 not not PART rr171v5751q 10 33 severe severe ADJ rr171v5751q 10 34 as as SCONJ rr171v5751q 10 35 the the DET rr171v5751q 10 36 flow flow NOUN rr171v5751q 10 37 reattaches reattache NOUN rr171v5751q 10 38 within within ADP rr171v5751q 10 39 the the DET rr171v5751q 10 40 contraction contraction NOUN rr171v5751q 10 41 section section NOUN rr171v5751q 10 42 of of ADP rr171v5751q 10 43 the the DET rr171v5751q 10 44 virtual-duct.lastly virtual-duct.lastly ADV rr171v5751q 10 45 , , PUNCT rr171v5751q 10 46 wavefront wavefront ADJ rr171v5751q 10 47 measurements measurement NOUN rr171v5751q 10 48 were be AUX rr171v5751q 10 49 performed perform VERB rr171v5751q 10 50 at at ADP rr171v5751q 10 51 m m NOUN rr171v5751q 10 52 = = SYM rr171v5751q 10 53 0.3 0.3 NUM rr171v5751q 10 54 , , PUNCT rr171v5751q 10 55 0.4 0.4 NUM rr171v5751q 10 56 , , PUNCT rr171v5751q 10 57 and and CCONJ rr171v5751q 10 58 0.5 0.5 NUM rr171v5751q 10 59 for for ADP rr171v5751q 10 60 one one NUM rr171v5751q 10 61 set set NOUN rr171v5751q 10 62 of of ADP rr171v5751q 10 63 virtual virtual ADJ rr171v5751q 10 64 - - PUNCT rr171v5751q 10 65 duct duct NOUN rr171v5751q 10 66 fences fence NOUN rr171v5751q 10 67 on on ADP rr171v5751q 10 68 a a DET rr171v5751q 10 69 hemispherical hemispherical ADJ rr171v5751q 10 70 turret turret NOUN rr171v5751q 10 71 with with ADP rr171v5751q 10 72 diameter diameter NOUN rr171v5751q 10 73 d d NOUN rr171v5751q 10 74 = = NOUN rr171v5751q 10 75 0.254 0.254 NUM rr171v5751q 10 76 m. m. NOUN rr171v5751q 10 77 it it PRON rr171v5751q 10 78 is be AUX rr171v5751q 10 79 shown show VERB rr171v5751q 10 80 that that SCONJ rr171v5751q 10 81 there there PRON rr171v5751q 10 82 are be VERB rr171v5751q 10 83 regions region NOUN rr171v5751q 10 84 of of ADP rr171v5751q 10 85 large large ADJ rr171v5751q 10 86 optical optical ADJ rr171v5751q 10 87 distortions distortion NOUN rr171v5751q 10 88 over over ADP rr171v5751q 10 89 the the DET rr171v5751q 10 90 turret turret NOUN rr171v5751q 10 91 aperture aperture NOUN rr171v5751q 10 92 where where SCONJ rr171v5751q 10 93 the the DET rr171v5751q 10 94 corner corner NOUN rr171v5751q 10 95 vortices vortex NOUN rr171v5751q 10 96 are be AUX rr171v5751q 10 97 present present ADJ rr171v5751q 10 98 . . PUNCT rr171v5751q 11 1 this this PRON rr171v5751q 11 2 suggests suggest VERB rr171v5751q 11 3 that that SCONJ rr171v5751q 11 4 the the DET rr171v5751q 11 5 virtual virtual ADJ rr171v5751q 11 6 - - PUNCT rr171v5751q 11 7 duct duct NOUN rr171v5751q 11 8 should should AUX rr171v5751q 11 9 be be AUX rr171v5751q 11 10 designed design VERB rr171v5751q 11 11 to to PART rr171v5751q 11 12 eliminate eliminate VERB rr171v5751q 11 13 the the DET rr171v5751q 11 14 corner corner NOUN rr171v5751q 11 15 vorticies vorticie NOUN rr171v5751q 11 16 or or CCONJ rr171v5751q 11 17 displace displace VERB rr171v5751q 11 18 them they PRON rr171v5751q 11 19 off off ADP rr171v5751q 11 20 the the DET rr171v5751q 11 21 aperture aperture NOUN rr171v5751q 11 22 , , PUNCT rr171v5751q 11 23 as as SCONJ rr171v5751q 11 24 their their PRON rr171v5751q 11 25 affect affect NOUN rr171v5751q 11 26 can can AUX rr171v5751q 11 27 not not PART rr171v5751q 11 28 be be AUX rr171v5751q 11 29 neglected neglect VERB rr171v5751q 11 30 . . PUNCT rr171v5751q 12 1 outside outside ADP rr171v5751q 12 2 the the DET rr171v5751q 12 3 corner corner NOUN rr171v5751q 12 4 vortex vortex NOUN rr171v5751q 12 5 regions region NOUN rr171v5751q 12 6 , , PUNCT rr171v5751q 12 7 there there PRON rr171v5751q 12 8 are be VERB rr171v5751q 12 9 low low ADJ rr171v5751q 12 10 optical optical ADJ rr171v5751q 12 11 aberrations aberration NOUN rr171v5751q 12 12 showing show VERB rr171v5751q 12 13 that that SCONJ rr171v5751q 12 14 the the DET rr171v5751q 12 15 virtual virtual ADJ rr171v5751q 12 16 - - PUNCT rr171v5751q 12 17 duct duct NOUN rr171v5751q 12 18 substantially substantially ADV rr171v5751q 12 19 improves improve VERB rr171v5751q 12 20 aero aero NOUN rr171v5751q 12 21 - - PUNCT rr171v5751q 12 22 optical optical ADJ rr171v5751q 12 23 performance performance NOUN rr171v5751q 12 24 , , PUNCT rr171v5751q 12 25 but but CCONJ rr171v5751q 12 26 better well ADJ rr171v5751q 12 27 performance performance NOUN rr171v5751q 12 28 could could AUX rr171v5751q 12 29 be be AUX rr171v5751q 12 30 obtained obtain VERB rr171v5751q 12 31 without without ADP rr171v5751q 12 32 the the DET rr171v5751q 12 33 corner corner NOUN rr171v5751q 12 34 vorticies vorticie NOUN rr171v5751q 12 35 . . PUNCT