
shock tube

shock tube anedi saadhaaranamgaa chinna sthaayilo vaastava paelullu mariyu vaati prabhavalanu anukarinchadaaniki sensor ledhaa modal vadda paeludu taramgaalanu pratiroopam cheyadaaniki mariyu nirdesinchadaaniki upayoginche parikaram. itara rakaala pariksha soukaryaalalo pondadam kashtamaina vistruta shreni ushnogratalu mariyu ottilla krinda aerodynamic pravahanni adhyayanam cheyadaaniki kooda shock tubelanu (mariyu shock soramgaalu, vistarana gottalu mariyu vistarana soramgaalu vanti sambandhita prerana soukaryaalu) upayoginchavacchu. compressible flow drugvishayam mariyu gyaas faze dahana praticharyalanu parisoedhinchadaaniki kooda shock tubelanu upayogistaaru. iteevala, paeludu taramgaala dwara jeeva namuunaalu elaa prabhaavitamavutaayo adhyayanam cheyadaaniki biomedical parisoedhanaloo shock tubelanu upayoginchaaru.
oka shock tube lopala oka shock wave oka chinna paeludu (paeludu-nadiche) ledhaa diaphragom (luu) paeladaaniki kaaranamayye adhika peedanaala nirmaanam mariyu shock tube (sampeedana-vayuvu nadiche) krindiki vyaapti cheyadaaniki oka shock wave dwara utpatti kaavacchu.
charitra.
sampeedanamtho nadiche shock tubela prarambha adhyayananni 1899loe french shaastravetta paal vielle prachurinchaaru, ayithe eee upakaranaanni 1940la varaku shock tube anie pilavaledu. 1940laloe, vastuvulapai vaegamgaa kadile vaayuvula pravaham, rasayana shaastram mariyu gyaas faze dahana praticharyala bhouthika gatiseelatanu adhyayanam cheyadaaniki aasakti punaruddharinchabadindi mariyu shock tubelanu ekkuvagaa upayoginchaaru. 1966loe, duff mariyu blockwell adhika paeludu padaarthaalatho nadiche oka rakamaina shock tubenu vivarinchaayi. ivi 0.6 nundi 2 meterla varaku vyaasamlo mariyu 3 meterla nundi 15 meterla varaku podavu kaligi untaayi. gottalu takkuva kharchutho kuudina padaarthaalatho nirminchabaddaayi mariyu 7 emm. pii. eah nundi 200 emm. pii. eah. garishta dynamic ottidi mariyu konni vandala micro sekanla nundi aneka milliseconla vyavadhitho shock taramgaalanu utpatti chesaayi.
kudimpu-aadhaarita mariyu paeludu-aadhaarita shock gottalu rendoo prastutam shaastreeya mariyu sainika anuvartanaala kosam upayoginchabadutunnaayi. sampeedana-vayuvu aadhaarita shock tubelu prayogasaala paristhitulalo marinta sulabhamgaa pondavacchu mariyu nirvahinchabadataayi; ayithe, ottidi tarangam yokka aakaram konni mukhyamaina amsaalalo paeludu taramgaaniki bhinnamgaa untundi mariyu konni anuvartanaalaku anukuulamgaa undakapovachhu. paeludu-nadiche shock gottalu ottidi taramgaalanu utpatti chestaayi, ivi free-feeled paeludu taramgaalaku marinta vaastavikamgaa untaayi. ayithe, adhika paeludu padaarthaalanu nirvahinchadaaniki vaariki soukaryaalu mariyu nipunulaina sibbandi avasaram. alaage, prarambha peedana tharamgamtho paatu, sampeedana vaayuvula vistarana (sampeedana-aadhaarita) ledhaa vaegamgaa vistaristunna vaayuvula utpatti (paeludu-aadhaarita) valla kalige jett prabhavam anusaristundi mariyu paeludu tarangam gadichina tarvaata oka namuunaaku vegaanni badilee cheyavachu. iteevala, indhana-gaali misramaalato nadiche prayogasaala sthaayi shock gottalu abhivruddhi cheyabaddaayi, ivi vaastavika paeludu taramgaalanu utpatti chestaayi mariyu marinta saadhaarana prayogasaala soukaryaalalo nirvahinchabadataayi. vayuvu yokka molar valume chaalaa takkuvagaa unnanduna, jett prabhavam anedi sampeedana-vayuvu aadhaarita shock tubelalo kontha bhaagam. eee roeju varaku, eee shock tubela dwara utpatti ayye chinna parimaanam mariyu takkuva garishta peedanam padaarthaala praathamika, vinaasaka pareeksha, adhika vaega peedana transducerlu vanti kolata parikaraala dhruvikarana mariyu biomedical parisoedhanatoe paatu sainika anuvartanaalaku chaalaa upayogakaramgaa unnaayi.
operation.
oka saadhaarana shock tube anedi cross-sectionlo deerghachaturasraakaara ledhaa vruttaakaara tube, idhi saadhaaranamgaa lohamto nirminchabadutundi, dheenilo takkuva peedanam vadda vayuvu mariyu adhika peedanam vadda vayuvu edho oka rakamaina diaphramnu upayoginchi vaeru cheyabadataayi. udaaharanaku, solaukhin, gaydon mariyu hurl, mariyu broadley raasina grandhaalanu chudandi. takkuva peedanam vibhagam dwara vyaapti chendutunna taramgaanni utpatti cheyadaaniki mundugaa nirnayinchina paristhitulalo diaphragom akasmaattugaa pagilipotundi. chivariki erpade shock pareeksha vayuvu yokka ushnograta mariyu peedanam penchutundi mariyu shock wave disalo pravahanni prerepistundi. sanghatana mundu vaipu venuka unna pravaahamlo pariseelanalu cheyavachu ledhaa ekkuva pareeksha samayaalanu mariyu pratibimbimchae tarangam venuka unna ottidi mariyu ushnogratalanu chaalaa varaku penchavacchu.
nadiche vayuvu anie piluvabade alpa peedana vayuvu, shock taramgaaniki lobadi untundi. adhika peedana vaayuvunu driver vayuvu antaaru. tube yokka sambandhita vibhaagaalanu driver mariyu nadiche vibhagalu anie kooda pilustaaru. driver vayuvu saadhaaranamgaa takkuva paramaanu baruvunu kaligi undataaniki empika cheyabadutundi, (udhaa.zii., healium ledhaa hydrogen) bhadrata kaaranaala valla, adhika vegamtho dhwani, conny shock antataa 'tailor' interfaces paristhitulaku koddigaa paluchana cheyavachu. atyanta balamaina shacklanu pondadaaniki nadiche vayuvu yokka peedanam vaataavarana peedanam kante takkuvagaa untundi (paeluduku mundu nadiche vibhaagamlo pakshika vacuum prerepinchabadutundi).
diaphragom pagilipovadamtho pareeksha praarambhamavutundi. diaphramnu paelchadaaniki saadhaaranamgaa aneka paddhatulu upayoginchabadataayi. 
paelutunna diaphragom varusa ottidi taramgaalanu utpatti chestundi, prati okkati vaati venuka unna dhwani vegaanni penchutundi, tadwara avi nadiche vayuvu dwara vyaapti chendhe shakga kudinchabadataayi. eee shock wave nadiche vayuvu yokka ushnograta mariyu peedanam penchutundi mariyu shock wave disalo pravahanni prerepistundi, conny lead wave kante takkuva vegamtho. ekakaalamlo, tarachugaa prandtle-mayer tarangam anie piluvabade arudaina tarangam, tirigi driver vaayuvuloki prayaanistundi.
parimita sthaayi mixing sambhavinche interfaces, nadiche mariyu driver vaayuvulanu vaeru chestundi, dheenini contact uparitalam anie pilustaaru mariyu takkuva vegamtho, lead taramgaanni anusaristundi.
oka 'chemical shock tube' loe driver mariyu nadiche vaayuvulanu oka jatha diaphragomla dwara vaeru cheyadam untundi, idhi mundugaa nirnayinchina aalasyaala tarvaata viphalamayyela roopondinchabadindi, chaalaa perigina cross-section yokka end 'dump tank' thoo. idhi vedichesina vaayuvula ushnogratalo teevra vegavantamaina taggimpunu (challabarachadam) anumatistundi.
applications.
rasayana gtsastrapu kolatalato paatu, shock tubelanu viyojana saktulu mariyu paramaanu sadalimpu retlanu kolavadaniki upayoginchaaru, ivi aerodynamic pareekshalalo upayoginchabaddaayi. nadiche vaayuvulooni dravam pravahanni gaali sorangamgaa upayoginchavacchu, idhi jett enginela turbine vibhagalalo adhika ushnogratalu mariyu ottillanu anumatistundi. ayithe, pareeksha samayalu konni milliseconlaku parimitam cheyabadataayi, sparsha uparitalam ravadam dwara ledhaa pratibimbimchae shock wave dwara.
avi marintagaa shock soramgaluga abhivruddhi cheyabaddaayi, adanapu mukku mariyu dump tanktho. phalitamgaa adhika ushnograta hypersonic pravahanni antariksha nauka ledhaa hypersonic craft yokka vaataavarana punahpravesaanni anukarinchadaaniki upayoginchavacchu, mallee parimita pareeksha samayaalatoe.
shock tubelu vistruta shreni parimaanaalalo abhivruddhi cheyabaddaayi. shock taramgaanni utpatti chese parimaanam mariyu paddhati adhi utpatti chese ottidi tarangam yokka garishta sthaayi mariyu vyavadhini nirnayistundi. anduvalla, atuvanti paelullaloo adhika ushnogratalu mariyu shropnell ledhaa egire sidhilaalu undakapothe, vaastava paelullanu mariyu avi chinna sthaayilo kaliginche nashtanni anukarinchadaaniki sensor ledhaa vastuvu vadda paeludu taramgaalanu srushtinchadaaniki mariyu nirdesinchadaaniki upayoginche saadhanamgaa shock tubelanu upayoginchavacchu. shock tube prayogaala phalitaalanu shropnell ledhaa egire sidhilaalu lekunda parisara paeludu taramgaaniki padaartham ledhaa vastuvu yokka pratispandana yokka sankhya namuunaanu abhivruddhi cheyadaaniki mariyu dhruveekarinchadaaniki upayoginchavacchu. shropnell ledhaa egire sidhilaalu lekunda parisara paeludu taramgaalanu tagginche paniki yea padaarthaalu mariyu namuunaalu baga saripotayo prayogaatmakamgaa nirnayinchadaaniki shock tubelanu upayoginchavacchu. aaa taruvaata, shropnell ledhaa egire sidhilaalu lekunda parisara paeludu taramgaaniki gurayye nirmaanaalu mariyu prajalanu rakshinchadaaniki phalitaalanu designlalo cherchavacchu. paeludu taramgaala dwara jeeva kanajaalaalu elaa prabhaavitamavutaayo telusukovadaaniki biomedical parisoedhanaloo kooda shock tubelanu upayogistaaru.
shaastreeya shock tube kuu pratyaamnaayaalu unnaayi; chaalaa adhika peedanam vadda prayogasaala prayogaala kosam, adhika-teevrata gala short-pulls laejarlanu upayoginchi kooda shock taramgaalanu srushtinchavachu.