northrop x-21

laminar phloo kantrol upayogichu chirakukal pareekshikkaan roopakalppana cheytha oru pareekshana vimanamaayirunnu northrop valichedukkunnu. dougless dougless airframine adisthaanamaakkiyullathaanu ithu, wing-moundu cheytha enchinukal pinn fuselegilekku neekkukayum eyar compressorukalkku idam nalkukayum cheythu. 1963 epril epril naasayude pareekshana pailat jacq wells niyanthranathilaayirunnu vimanam aadyamaayi parannath. upayogapradamaaya parisodhana poortthiyaakkiyittundi, sankeernamaaya laminar-phloo sisttathinte vipulamaaya paripalanam prograaminte avasaanathinu kaaranamaayi.
roopakalppanayum vikasanavum.
ariyappedunna eathoru aeronotical saankethikavidyayekkaalum vimana indhana upayogam, shreni allengil sahishnutha ennivayil mechappeduthalukal nalkunna dragg coffificientil ganyamaaya mechappeduthalinu saadhyatha nalkunna oru saankethikavidyayaanu laminar-phloo kantrol. thathwathil, chirakinte 80 sathamaanavum laminar aanenkil, mothatthilulla valippam 25 sathamaanam kuraykkaan kazhiyum. viscos dragg ennariyappedunna vaayuvum vimaanathinte uparithalavum thammilulla gharshana balam oru laminarinekkaal prakshubdhamaaya athirthi paaliyil valare valuthaanu. pooras metteeriyalukal, onniladhikam idungiya uparithala slottukal allengil cheria sushirangal (athirthi paali sakshan) ennivayiloode chooshanam cheythukondu athirthi paaliyile vaayuvinte oru cheria alavu neekkam cheyyuka ennathaanu sajeevamaaya laminar-phloo niyanthranatthinte pradhana tharam.
rund pradhana parishkkaranangal aavashyamaayirunnu, aadyathethu staanderd underving pooad cheytha aalisan aalisan enchinukal neekkam cheyyukayum pakaram fuselage vashangalude pinbhaagathu gadippichirikkunna podukalil gadippichirikkunna oru jodi staatik thrastt general electric xj79-gE-13 noonn-afterbaning turbojettukal sthaapikkukayum cheythu. cheythu enchinukalil ninnulla rakthasraavam cheiyunna vaayu oru jodi underving fairingukalilekku nalki, avayil oronninum oru "bleed-bayne" turbine undaayirunnu, athu athirthi paaliyude vaayu chirakukaliloode valichedukkunnu.
valichedukkunnu testt vahanangal ("<aii. dii. 2>", "<aii. dii. 1>") vardhicha span vistheernavum ulla poornnamaayum puthiya chirakayi nirmmicha noothanamaaya laminar phloo kantrol sisttangalum ulppeduthi, sweep 35° ll ninnu 30° aayi kuranju. chirakinu onniladhikam shreni spanu thirichulla slottukal (motham 800,000) undaayirunnu, athiloode prakshubdhamaaya athirthi paali "valichedukkappettu", ithu sugamamaya laminar ozhukkilekku nayichu. saidhaanthikamaayi, kuranja valippam, mikacha indhanakshamatha, deerghadoora paridhi enniva nedaan kazhiyum.
forwade kokkpittil oru pailattum rund flaitt enchineeyarmaarum undaayirunnu, rund adhika flaitt testt enchineeyarmaare chirakinu thaazheyulla central fuselage beyil paarppichirunnu.
parisodhana.
prarambha parisodhanayil sushira vasthukkalum uparithala slottukalum avashishtangal, bagukal, mazha ennivayaal polum pothinjathil kaaryamaaya prashnangalundaayirunnu. chila saahacharyangalil, laminar prathalangalil vaayu vegathil thanuppikkunnathumoolam aise paralukal roopappedum. ithu laminar ozhukkinu pettennu thadassam srishtikkukayum athivegam urukunnathinum prakshubdhamaaya ozhukkilekku vegathil maarunnathinum kaaranamaakukayum cheyyum. aaa pradeshangaliloodeyulla paramavadhi 95 sathamaanam laminar ozhukk aagrahichirunnu. ennirunnaalum, plugging prasnangal kaaranam design sramam raddaki.
uparithala kramakkedukalude phalangal, athirthi paaliyile trimana spaan thirichulla ozhukk phalangal (spaan thirichulla malineekaranam ennu vilikkunnu), anthareekshathile aise christalukal polulla paaristhithika prathyaaghaathangal enniva ulppede x-21 flaitt prograamil pioneering daatta labhichu.
swabhaavam.
rund rund kaaliforniyayile edwards airfozhs basil sambharichu, avide avaa kramena upekshikkappettu, praadhamikamaayi foto taargettukalaayi upayogichu. avashishtangal ippozhum kaanaan kazhiyumenkilum punarudhaaranatthino pradarshanatthino ulla udaaharanam veendedukkaan oru shramavum nadathiyittilla.

