{2 AAA seca es eng a BR AIAA-2008-1110 An Isolated Circular Synthetic Jet in Cross-Flow at Low Momentum-Flux Ratio vara ¥, iene” nh asay of Hated oss Matlond Fit? ical 81.0, Zan" NERY Gleun Rowan Caer (free 4085 st hitter 1 Rimes? aS Laue Resco Come, Hao. YL. 2368 A juine oxpeslmental and computarional fuverlgaton was carried ot far & roma seathetic el bulng non! a homutay Inyor a moone ACOs ati OF one Distsibatons of velocity and tuzbulencelnteasiy were teasuved Dy lt-wire auetenielly (Numerical reall were abtaionl using unatenty Reynlearerngal Nien Stak (URNS) eompulntions. Time tad ghastaveraged flow properties mere compared <n the cross Sectional plane af 2 = 0.5, § and 10 a wel as on the aia plane of simmer. Overall te Imanvesial reall agree! ell wil thy experimental dat CED prediced sume rser ‘elvity det i regions of ow-mendentwe Hud pulled ap fou the boundary layer. Phase averaged velocity contnars ab the pbine nf xymmetry indicate gard. mutch eben aperinents ond CED rogurding the size and the position of che pstiodie flaxr struc, However some dflerencesnecurred In details sath the supe aa! inelinnfon oe tne see areas Nomenehsture ra aks oifoe 7 = Saretgeeqnense = ese ai, ! L seoke eng, P= abygeerint, Wy elesig tasinzener ston ly g = 0) srngaichage excl averaged ovr ens pind, — 7.8 — mem else ic susemlss. neal andspanee deta Sei we = _ehlence meni srr an panne dctons uae ser eveos in seannts, noida spans ise as ~ Caresinoosidinatsasteaisi mwa wal spews wet © Acct isu, Heparin af Mer seal Engines 200 Boral A, Nembee ALAA, {Aerospace Br gine, Praise Syne ery Nel rar, Bla SU HA. Ace ln ALAA, # Resete Sciats. Cemputnisnal Modeling ane Silion Ranch, Wal Sop 128, Assaces Fell AA, “The meridia oS Dassen nie ete Hm MOK Ul Stes ‘Amaicas ent of Agra ¥ Avonie Pape 2005-110 “his ism erator rol of a apo ghded fa procera 38 Conleert wacause changas may be Mad bar ems Suekoston ti fe mas avi Ih Ie undersanaing at tal A Auteoduction saute tna ea asian pram i pres tens ufo. Tie ay he aos sith closed cavity anda vcrasog msmbrabe placed on ane sido of ths ovtce pte, Lotced ston of che Irarenrare conn tevatirespeiic sett amd Ang trig ihe ort se: ng sie i eta rt tho cai. Subsaguen diaange fees ou a lave of ory tae hc ells upg «ome rng While caine Ute sue“. Sell ine:un pepe he wore trom pla, Conseils, elf seh ‘fil eof te ambit i. by the mai af digcrrs wore, Tho Texan fai Kec un to th of Stel el fe area fe th ie “rhe tg cao vee-yts with 3 cde in [i hinds to kaw to produce “ou apoakor wind.” Acute streams te snare emesis nthe jets hac heen Ker fo ners ane ine We les However. seve! event sides icndieg hase Of Sra etd Gleze!” acd Glas and Araiuy” wacevere the foteal of th sym jet ata Moccia device, Sle a hati jt las retenet mason cis aactiva fo Mow cont I brrgsFith Ine posi of ide rotor and periade pomurbuon whe he rere of (ood Mid dS aise ondvare, Wha ged varia ssa scene pl ei es ave boon shown peli x ng of etal eft” Tey can pevenrbouneryIserseprraon, rie lees an incieage emus oe rae I dul Thins alee eyo ehaatct sce lng sunfaces ohare singh nln jes ells ree ld vor necaeim nk. ‘While a hc of previous sudiosaecoveed the dnarviog of a syathats er isaing ina a qulcscont arcbiezt, adiabeer ar thaitor sear t rai termes iii crc inec a ie trimer) ‘ud-d cuesla: SICT wid paste age vlosorsus (PIV and compact tem to stoady ad plod joe cos. flow: Yolaty os (PR~ G0) at 46 and 7 wor avesietd, hero oc tec" Uy was bast of the ave romsuelm dsbasgedtecugh he vice and 17, was the Fetter veloc Tho sus suypostd sina oF SICK w fice syathene sr o%s Che efi and a usd jo farther deren Jet rstation wes coraparbls tka cored i colin jet feels, Sohail yoed PIV a) camer he Perak 9b at here or vd tboent boundary “ayer in che visite he ace a vlsly etc oF 836, O48 end 295 "let Sehwniy” was sta a Ube enaae sare nt vslvily nce somnetle oper edd pt Hh increased tecateam Mac’ mnber ees ated aed camp 2x iuerctons dure the rll-up wore clued. I I ssane SICH= wore cud wilh hor wie anomaly 2 jet tavnalds anno (Hep u2 ts 21-500 and Stokes umber (5) up la 40, Re and Swszebazee on shemctrieie locity (2 and eis dimer, Diebnlons Incan seloity, steanivise soley, wrbalce italy al SICF tsjcetry acre dvownerted sad found to be rite win i ra a ery jeer gn, Cnn otal" aapled plaseraier indie fursacece a Investiato SICF for a ange of Sua! numbers (0.005 5.570.024) and kesalde naar (5UD Re 3 25,200; seal ah vals ating © 2 10), Rend ete od fl veh el 9 dee To Mw esi were observed Lat involve singe and maple eajetriss of the SICR. A sctcal Stovbal number at 0.02 <itinguled tune egies llc the vied lise poe cust igus an fc ain The comer ak wat deren 35 Slow ap sty te Ret 18. Detaled ewe cata were Jeune For pcs cae nf a rsand SACK ara mont la Hc fas Ths itch wa 0 sneplarane ts datas Fv a CTD sockskop Case Ret, 20-22) bold on the subject al RASA LARC ig Mech. 2034 he ecmsnkicoge Finlation wae performee by che thind enautho Hated on dhe prose date, Ts purpose Sis papor fe tr Seeurwen ul provi sn analyte experenee! mel an! fe ds the Highligh a the copa teuuke Deal be mueial siltion ao bot fh echt eae ad “nae 2 wl be psaeed i alter pape." 1H, Procedures A Expevimenta Poceduse he spun ane snails oa VASA Silenn Renae Gerla pe nat hivpel vit td with in ide 20, high et sean, Tre wind anne! had Ie coasting seton athe alt th i Sm oe athe swan ots Ihe cage sven stems in Fig. Ate elm ia dale 3.28 i, ia i iene by Jin thik plas. The plate moursd eh on hoe seo Noor wth dio criize placee a fie taal cot line. The sya jl wa peed By °F woe (Ale: Farin aed i +e Undesnen te tet secon, The chamar wes Gt. deep sith a voles 0: abcur L700 in The lent esonecce Df Ie slbeirlig ons24 Wes The experiment se cnavuclat the rscmant ein nut anedon arising ts soaker. Te measurement ete pertommed bs aotanse uremumer he chracerstes ef the asin Nw the wifi exie were ovleated with ingle element hot wt, The Brat ata the crne-uctinal plan at vans farang ee asqubsd tng we aljtuat Sey pcs C51 1241-80 soe placed deer and the Anvericar. Inno 9 Acronautis ns Astronauts Papo 205-1110 erin ww" erielaon, The probes ws ravrasd under autnated eanputer enti hough dhe sane grid Poin allowing the mesturenert ofall rer components uf mein veoeity und turbulence intensity. Gre Sess vse app > dv camporsiee. Te Stale ofthe gree elvan ve unse tay ites ca be Found in et 24, Th wisrain wine nemalze scares veloc 4) and wont (_.) wets aecmated i Be seithin 296 and 20%, eexpsetives, The oigin of de curdinale sents» heed wile Can dv orloe isis in ip. = the ivomsicn (ie ers) destion te denoted by a, dheetion vial ce ttnel Pr soi by md he snemsige rceion 2 1D Fig. 1 Expevimental set wp: loudspeaker, cisily Fig, 2 Approkch boundary laser profiles at Ai oreecoutiguration B52, D4. semanas boundary lava ip ae app ill 11.9 dase foe the Senin he tse estore ITE upsrear of he orifice, The appnach Boundary lavsr wae ule ih hee oF 0.00. ab sen hig. The Reyuoldssuascr was 7£30 basid ou Dand Py. The following pratense arse ra he Mtl) ner ‘onvidenion masimone lesherge veloeig, Fan 20 R's, curate vshwig.? Py = eet fa snl me 20 Rds, n simensinal sok lng, £0) 943. The sso velocity was 1. Numevenl Frecedre ‘The mamsreal simulation uted she (F119 e9se2 the CAN cade snibas the thsestimenom, men feserdrt, somresitle Reyoulds vveged Nevis Stokes (RANS) cquatons with an upwind Mritsevalume Formulation. Upwind-biessd spadal ditforncirg is asad forthe inviccd tein. Visen.s terns are cer Aico an srnvciM™sion tor re pedi Fos very foe Mach umber Nws suck a5 “te cure cas, preeeaiisaing "wed ro inswe ceavergcaos aid aoulay ofthe slain The ite ale tine i Tinglsit sou iet acorn rahe Ihe impiiterives me seinen ssa cnt, ‘shih resin sac ei inverons foreach evces, ower for solitons tar ulize Ros Faved rene Spliting” ts Mock tisiagenl invasions ae Tatler spill sing igor git wil a spec eas al athe incu tes Tn usacsuats nod: (uieady RANS we LRANS), CHAD oie sseultine steppe .9 mold shes seen rer teniparl accuracy, With peeudo-tine seeping subitsstoys so we to seduce the Tiarnatine an fesovieainy ers, sl vane selon i geet in the ex! physic tne The Jurbulesce models are syed uncoupled for the meat Fow equscon# using iat apes mate Flration, the fons-zuaron nadl Salat mse swe in ecient lu. Tals mode 9 Uner ody-viscoey msds that makes use oF te Seussinesy cvicosiy Hpac’ Fuchot deal of the ende and “he prncadues can be Fouls Rei 28 25 and 3 Ie pezzi Sze ae eomigured a ie fee sen Mia ses, Y= 0.0075, 4 in la sosumynlig 728 steps pe perl wed 1 sertione ete ep. oved per pase ns stop. Zader suse by Rassy ‘ui scar configuration tncioctod tat d's tre ssp and Func of smite mare sain! fo nner sreucsey he cari sie ol modeled corspuatonally duo tots Inge dinienafone sletve sa the orfes ‘Conssqucnly. the tid nels the aiF2e aly wale exe 28.4 mn elo the nmel How, Tae Sse zie Aeris init of Acssages and Asst Pass 2005110 Thos ov she centreens Te apuosina grid esl was Bl asin, ID) damascene sand 1D bigh, The cas wasn bth onthe fine ds wall von cone rid ung vey ote pin ia each Seer detion in artist thea sly the str Sume-ependen memtranc otllaion ag placed if «te-dopsadem veloc boundary conto soulel a he tan ute oe. Ve werety brumkuy cin was delete ale der ‘porsche merce sent a ftir pane meee ai The pres epee Sota whore 3 upstream souray sendilons sere sel apeniniraely wrath the torbylt umbry yer tice (1 73 at nce Romy itis were etn nr aly Haale in Bourn laps psatis Te inne for end the walls ofthe vies were traded ae ealabaie sii lla. Far ld tery culos ware stor ker bobs TL Rosulisand Diseassia ae vege te Suto th ns crn dw the res Bh ie how in gs 3a) snd repent. The pekon thin Pig 3 (al epcsas charg halt st heey The pak onthe Ls rece hot cal cing nae tle sph ahare val wee ple pnd ite ein Thee pak eogrisnd es sctn fs he at tha rp nies ate probe em tay na he gals fc ballos anon spa, whan ee Sued Canby Takes Oa nS foul tend yconponcas (ot! veoey asunieg = 0), WA ise rst oF Ue cr, AU Eshtge sll doe ao change spe can he arin P90), owen a douse hap nthe ing fervin othe sinal-appes A eink dosble harap sank ls protons inane yeast he per foods!" noi 30, probs poses ise te ele roaksd Wie Sake dug svcten, The nse THis cl The ex nie ty he ora wa ict lots acre vl fd sok length ausig 8 sinsoida fanson, a ace cat, all dea vast seqirod et = 24 He oi Srpllnkeoniat ui natnarn dari echt, foes 29 s&h Taosieded sna cineeed wee itngh,tytb=4.5 Ine crefiw vice, C= 20 RE (G1 nv) aed oie dames. 0.75 09 mm Fae Seen sd fr aoaaliton al date int ali i — ra \ g g 4 Su 3 3 via) ies) Fig. 3 Phase-erayot botireeurput lta elo) an the ans of dhe orlice at inst teats {@) sidan ere (2, 0), (0) whi ernest (2. = 20718). erly mene at es dows cations are presen nig. ites nf mean vena shows in Fig, ia). Covtessending wibu'ens ie sy a} ad Fader isnsiy, (| dats a glen ia Fas ‘enim neu of Asrnaties nd Autores Bpse 2005-1020 0b) 6) sep eho eveled tne pels ahh ane ley Ine i These ofeach an retin poe tat gragrestivey if upadet nih —neasig The trlense it high and Fane pascal oorstant throughout the toplon of lows U, droppitg eff sharply as U'aporoashos "The undananal inane 9 mesure ho ine seta arial sof the bo: wre lanl The deopafTiaw soinides vite the ssuresos of a gek in ths profs. Ths lnstion of peak provide mugs of the pension (he SICF. Trend inthe profes of Fig. 4 with ncstsng x resemble the bu: secur a given Loin with ‘nevsring 0. Ti doe tte fase UCP naranatior intenan wh an iors notes oy. Fig. 4 Experinental profis of (2) can velocity, (b) tween intensity, and (¢) fundamental intcasfy. Data re for ne of syetry at dicated 2 ‘Computed call vlacy andi semponentscoresponcing tae expetientel das Hig 200) oh» ~ 0 are Smita Fig. £ Ta dion gids Foe aed wore, gilda sails veal, is atest to Ue suftsioney of grid Senay The mimenrllyaained tal selon gens ry ae | ai the espera iin ihe semper securely eapis she double hunyp dur ng te discha-gs ha’? of te cycle. The largest élsrepaney is inthe ‘gn Tle peak Sing he ueton hal OF Ue eye A indie rer with rn zo men key at = ‘toa sles moseod diving ths suetsn ie sevgnsous, The CFD és ao a bghee mead in the eon Tally erber th eaparivenl data win the orfce seen fn Fi 4). Tn ef. 18, as speed hale tonal pea on she let of ee isha:ge half might be des tothe cossclow suesping aver the pen at» phase Soha de yey subst fs nating hic wee rhe eau sald have appsacsd tly Fhe wri the Ch »-cumpunta ey ska 4 meen lita sing he charge. as sean se ofr: ths Hypothesis an? the ozsen Fos the compl espns fe forcing Wh tho ros ow on reste uM at Feleiy 8 Fig, Computed ttal vlocvy and its components ‘Fig. 6 Computed profiles of mean xslotity at coreesponting to the dn of Fig. 3 locations cerresponting lo pries f ig 4a "Compared pfs oF memes eovessonding ao those in Fg. Ie) a6 showy fh Pig. A mpi Gohan is uboosen in Ine Sistbciions a¢ about one dimcter aves ota ie orifice, Dis rep been CHD ad _Amrvin instins vf Astensuie ans Stroma Pape 2008-1010 perineal tus is ohtervo i the Iatioy of the eins pi aul weary ng vey empl, Ko seimpls | PD ~ Ll, CED viel an inflovcan point ar y-0'~ 0.32 with £0" ~ 0.37, wie eovsasonting Experimental valus a6 0.18 ard 0.7, “apectves, Nevertheless, be gener ies of le velit rue eloae ic wlan the flection poi siting up with inercasing» ae el pedi Tino and slase-averyed Ua llr of srecmoive wells sre aot compute. Lime-avergel velocity a the plane of symmetry aod on he coss-sostaual plane elx2-5, ste shows in Figg. 7 aid & vespliely. The Suaotheaprosinen oeesh CP) tnd exuberant ts gen se Poniites ule ee o esse ap azote (SD. while emmpaetioel aus exe ahovm string to croc eee. Cleso exarination ‘indice tac nome el rel wah kg veleiy eels sige the arifoe rd ewe wal. Conseyue a dserepantsferoeen fs shape and position of sien contour lise csecsa ia, 7 Mein streumoine velocity (LE) on the Fig. Mean eivannvis vloity (08!) st v= 5, pine of symmetry (29). Ine urs shorsier of the SICF i emputed with dirbusons of phaso-everaged seamwise veloc Expuinoutl data we sage wi ihe sone Zone shniyve Tor# ail uP TS pas win the ele Th disuTetions sue shu in Fg. § fv appeoivate ghaes of 8 BL 160,28, 30 deers fn atte “Hererse within te cycle The pevidic peerage of te svietis [ee susan sai be sv, While che aoe Sonsignal stake longi 1% te wavelenalvcahnn WIR Ve er ermesprny en cameron spend shout 0750. ur eick pe, he CFD res is dvatly eomparsd. Ther: is good agresmer sven “to a20 and $seidor ofthe diurbanse as it convacs dowagveamn aPar hen ee from the oii, remaic sang in the lowly mand ose duis tt eye. Aa Wi he tns-verage sizltins, CFD srodias ‘ower docs in low-toneatun uid Also, dhe lovey mucha situlaen laos perv maly weld tov ihe action “Vente whlether meneca eainrerpana eerie Timg- and phass-averaped seated cmputlonal smsllions were perfor forthe ens sectoral pies i 7D ~ 083. $ nd {0, Tho cxpsrinsnes covered fll ereeesetional plano en dere es go7d symm absut 2~ 0. Data 09 one al ate show te he snoistent wih the GHP tt ube the snonay Salt. Wor velit szsion 7.25, shonin Pig 8 Utes tha 9° doze” of ow morceau Md fe Sled op trom the Goundaty ley. At La aismentuue aise suc as fe eaceal Sane he dae il Sonos wie hourly ge seeing up o none 9 from the weal, ote experiment ad CoD yield he ams gorin pene ofthe sro. Aga, we” vel vguiines shea has fan patil hy Se CFD. Camaquen', the congur ys tt ae pil sen ce somewhat dirt Sr te CFD ease ‘Pheso-avereged steams oulniy centre tt.r!9= 8, seid hg the pases oP Mis, 8a hoe i 10. ewvats change eke shave within he asctarg bal ofthe eycle. Vslocity mageitudss end shape of psvedio flaw cuss lle signTewaly pov gae shave, ASD, shae sion in Fi 1H he coe he 9. seers eo the beurar eer. This pauls snapshot ofthe Homtild souls hs “ime-acraged dua a Aims Fite of Arwen el Seine Pape 25.171 ‘ig. 9 Ponse-rvornged sticammite velocity contours oa plane of amici. Appt NIG (e) 1 2) 2A tf) lero een aehiearyenference within he imate phases are fa) 0, () Arran inaie wf Aaron Astor Raper 2008-1112 Fig 10 Phase fhe phases of ig ft irene veliy contours on the croesetionl plane at 3 ~ 5 corrssponding 5 Ae Tistate of ene eli a noi Pape 205111 Bigher J where che dome is lid and reshaped inte a puff hove‘ng above the houary layer Dynamic ‘Spolasiealalenatione within the dsrge git of the ele, and tisk simiargy to eis tneavoreged dota at ‘eFoWs Romsntumeftx ratios wore also noted In te udp af SICF from rulangule orfoee CH) has again ined Liew vrata ie wal fy ek ps Clsssectonal stitutions of sia tine we elicit <2 — O38 ol 10, esse in gy 17s 1>_Comparivn wilh tig provides aiden aboot te downencan eveaion of de SICE. Both satus eid meric ulin indice thacthe amie sencaziosWigher wi inceasing = In son ka vee wre FDaken exh a ke inthe contour slow lo be rte, The teaona tor tke ctersese in these dee rma sacle, Fig. L1 Mean streamnise velocity (i at vB = Oss. (20) x0 — “The exer date also elude othe popes sue a try it srs all mesunement planes Poe (or geatatad aitulanavesse at sreiis phe em, Mem lerblentsrsase war not computed fortis. ‘Tae sapere ll obsind sresce sorespondrg to che doin of Fg. 42 rented InP 1¥, Raval tha he owes a low motsoa) id i sil ecw tha sauary lager ava 29 ih, Sean sise vielen Uiniehuion we 1 Yo ecient ter np oo shown j-D— 2.8 Tae done Boge thew det he leo Rod Peek ir intra of bout 0178 Founda) 1 laser lenin val we shown in ge Ne ih eegpctves. Haak amp ile in serperen wth ware fod closer todo wall ana are alls by aout ‘DMs, Nombomegeneio sn wheter atest soa ho sod fn the patil ry noe el in he orpuation Ts punstble thi sl ice Ito some of te erences Bebveen CED ane experimen escn i flee figiee Reynads smesses. decomsated in Figs. 13(U}(2). faciete « nove vigorous upeatd ual anspor af ments tn nthe let evel aly. strgseevoncky, stint tom te grins of nt Wstrbutons, ee shown in Fig. 13 Ths nian emf er iy ax wall theses, gsc he primary quantes, oe “her “wolsy* Ibe verty dat have aulored mors apparsoay du ce irpscfect adetocomection inthe boundary layer. Navel, a pal of sour tn ng vores, sill tothe howd vt pai often ebenarse on, bce oer TY, Coatlusio Quslative sinfliciien neloeneaperimentl sae compustional ruts forthe lonfilé =f @symhans jx in crosetion, at # menienunfux te of ote ae obese. Te Uitteverapal eels stuns provide Ihe fine sohuralpsite of He hn. Ie losis exert, bot in Ransvenee and wrennise decane 8 mele he tronmres goose af migen vslo'ty ae fly “apulucal hy the C1) Pseavanspes sini chaweoel leh regieing the sie sl the postion Bt the spade fe structure. Draratis changes are obssrted within Ze gj Dising ts “aischerg'vsleley magnitdes and fost ok lopslns ier ooislecnoly Bum pase to se, hese sre saplinl quie ell by ine CD. There axe difrensen inthe detaled compacons, CFD eeetnedisr the elit deficit ivy le Uessromeniin sou aber Mu ples up. The sya fot sac, Ancien Unstulof Acoma snd AxLomaiy Paper 209841110 Ho D> 9 w 4 = —— mn lg, 18 Tuvhulenee invents (2) 477,58) 92 hd (op WH, Regnolds sree, (0) amd «ad (f) mean sticanise vrtily aL B=. 0 Arora Titus of Aaunaais a Paes 2005-1110