
valuga unna shock

valuga unde shock wave anedi oka shock wave, idhi saadhaarana shock laaga kakunda, incident upstream pravaaha disaku sambandhinchi vangi untundi. oka supersonic pravaham oka muulanu edurkonnappudu idhi sambhavistundi, idhi pravahanni samarthavantamgaa tanaloki maarchukuni kudistundi. shock wave tarvaata upstream streamlines ekareetigaa vikshepam chendutaayi. valuga unde shock taramgaanni utpatti cheyadaaniki atyanta saadhaarana maargam oka cheelikanu supersonic, compress cheyagala pravaahamgaa unchadam. saadhaarana shock wave maadirigaane, valuga unde shock wave chaalaa sannani praantaanni kaligi untundi, dheeni gundaa gyaas yokka thermodynamic lakshanaalalo daadaapu nirantara maarpulu sambhavistaayi. eguva mariyu diguva pravaaha disalalo saadhaarana shacklo maarpu laenappatikee, avi valuga unna shock tarangam antataa pravaahaaniki bhinnamgaa untaayi.
galilean parivartana dwara valuga unna shacknu saadhaarana shakga marchadam ellappuduu saadhyame.
taranga siddhaantam.
icchina maach sankhya, m1, mariyu muula konam, θ, valuga unna shock konam, β, mariyu diguva maach sankhya, m2, lekkinchavacchu. m2 ellappuduu 1 kante takkuvagaa unde saadhaarana shock tarvaata kakunda, valuga unna shacklo m2 supersonic (balaheenamaina shock wave) ledhaa subsonic (balamaina shock wave) kaavacchu. vaataavaranaaniki terichi unna pravaaha jyaamitulalo (vimaana vahanam velupala vantivi) balaheenamaina parishkaralu tarachugaa gamaninchabadataayi. parimita rekhaganitalalo (mukku lopala teesukovadam vantivi) balamaina parishkaralanu gamaninchavacchu. pravaham diguva adhika peedana sthithiki saripolaalsina avasaram vachinappudu balamaina parishkaralu avasaram. ottidi, saandrata mariyu ushnogratalo kooda nirantara maarpulu sambhavistaayi, ivanni valuga unna shock wave diguvaku perugutaayi.
θ-β-m sameekaranam.
konasagimpu sameekaranaanni upayoginchi mariyu sparsaka vegam bhaagam shock antataa maaradu anae vaastavaanni upayoginchi, trikonamiti sambandhaalu chivariki θ-β-m sameekaranaaniki daariteestaayi, idhi θ nii m1 β yokka functionga chooputundi, mariyu γ, ikkada γ anedi ushna saamarthyam nishpatti.
suutram _ 1
β kosam m1 mariyu θ yokka functionga parishkarinchaalanukovadam marinta sahajamainadi, conny eee vidhanam marinta klishtamgaa untundi, dheeni phalitaalu tarachugaa pattikallo untaayi ledhaa sankhya paddhati dwara lekkinchabadataayi.
garishta vikshaepana konam.
θ-β-m sameekaranamlo, edainaa upstream maak sankhyaku garishta muula konam, θmax untundi. θ> θmax ayinappudu, valuga unde shock wave ikapai muulaku jodinchabadadu mariyu verucheyabadina boow shock dwara bharti cheyabadutundi. chaalaa varaku kudinchadagina pravaaha paatyapustakaalalo saadhaaranamaina θ-β-m rekhaachitram, prati maak sankhyaku θmaxను soochinche vakrarekhala shrenini chooputundi. θ-β-m sambandham icchina θ mariyu m1 kosam rendu β koonaalanu utpatti chestundi, pedda koonaanni balamaina shock anie pilustaaru mariyu chinna koonaanni balaheenamaina shock anie pilustaaru. balaheenamaina shock daadaapu ellappuduu prayogaatmakamgaa kanipistundi.
valuga unna shock tarvaata ottidi, saandrata mariyu ushnograta perugudalanu eee krindi vidhamgaa lekkinchavachhuh
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m2 eee krindi vidhamgaa parishkarinchabadindih
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taranga anuvartanaalu.
saadhaarana shaaklatho poliste injaneering anuvartanaallo valuga unde shacklu tarachugaa praadhaanyatanistaayi. okati ledhaa valuga unna shock taramgaala kalayikanu upayoginchadam valla marinta anukuulamaina post-shock paristhitulu (entropylo chinna perugudala, takkuva stabdata ottidi nashtam modalainavi) erpadataayi anae vaastavam dheeniki kaaranam kaavacchu.) oke saadhaarana shacknu upayoginchadamto polchinappudu. eee saanketikataku oka udaaharana supersonic aircraft injin intakelu ledhaa supersonic inletla roopakalpanalo chudavachu. eee inletlalo oka rakam vedge aakaaramlo untundi, idhi thermodynamic nashtalanu taggistuu dahana gadiloki gaali pravahanni kudistundi. prarambha supersonic aircraft jett injin intakelu oke saadhaarana shock nundi compressionnu upayoginchi roopondinchabaddaayi, conny eee vidhanam garishtamgaa saadhinchagala maach sankhyanu sumaru 1.6kii parimitam chestundi. concord (idhi 1969loe modata egiripoyindi) garishta vegam saadhinchadaaniki chara jyaamiti cheelika aakaaramlo inteklanu upayoginchindi. idhe vidhamaina design eff-14 tomm catt (eff-14dii 1994loe modata pampinhee cheyabadindi) paie upayoginchabadindi mariyu maach 2.34 yokka garishta vegaanni saadhinchindi.
aneka supersonic vimaana rekkalu sannani vajra aakaram chuttoo roopondinchabaddaayi. supersonic pravaaha pravaahaalaku sambandhinchi daadi konamlo vajra aakarapu vastuvunu unchadam valla rekka yokka mundu kona nundi paie mariyu diguva nundi rendu valuga unde shacklu vyaapti chendutaayi, mundu konaku daggaragaa unna vajraaniki rendu moolallo prandtal-mayer vistarana fyaanlu srushtinchabadataayi. sarigga roopondinchinappudu, idhi liftnu utpatti chestundi.
alalu mariyu hypersonic parimiti.
eguva pravaham yokka maak sankhya ekkuvagaa hypersonicga maaradamtho, valuga unna shock wave tarvaata ottidi, saandrata mariyu ushnograta kosam sameekaranaalu ganita parimitiki cherukuntaayi. ottidi mariyu saandrata nishpattulanu ilaa vyakteekarinchavachhuh
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γ = 1.4 upayoginchi khachitamaina vaataavarana vayuvu ujjaayimpu kosam, saandrata nishpattiki hypersonic parimiti 6. ayithe, o2 mariyu n2 yokka hypersonic post-shock dissociation o mariyu n lovers γ, prakrutilo adhika saandrata nishpattulanu anumatistundi. hypersonic ushnograta nishpattih
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