Niaj hnub nim no, cov khoom siv sib xyaw ua ke zoo heev tau siv rau hauv cov dav hlau pej xeem uas txhua tus siv los xyuas kom meej tias kev ya dav hlau zoo heev thiab kev nyab xeeb txaus. Tab sis saib rov qab rau tag nrho keeb kwm ntawm kev txhim kho dav hlau, cov khoom siv twg tau siv rau hauv cov dav hlau thawj? Los ntawm qhov pom ntawm kev ua tau raws li cov yam ntxwv ntawm kev ya dav hlau mus sij hawm ntev thiab kev thauj khoom txaus, cov khoom siv siv los tsim cov dav hlau yuav tsum sib dua thiab muaj zog. Tib lub sijhawm, nws yuav tsum yooj yim rau tib neeg hloov pauv thiab ua tiav, thiab ua tau raws li ntau yam kev xav tau xws li kev tiv taus kub siab thiab kev tiv taus corrosion. Nws zoo li kev xaiv cov khoom siv dav hlau zoo tsis yog ib txoj haujlwm yooj yim.
Nrog rau kev txhim kho tas mus li ntawm kev tshawb fawb txog cov khoom siv dav hlau, tib neeg tau pib siv ntau dua thiab ntau cov khoom sib xyaw, siv ob lossis ntau cov khoom sib xyaw, sib xyaw cov txiaj ntsig ntawm cov khoom sib txawv, tab sis kuj them rov qab lawv cov qhov tsis zoo. Tsis zoo li cov hlau ib txwm muaj, cov khoom sib xyaw siv hauv dav hlau hauv xyoo tas los no feem ntau siv cov khoom sib xyaw ua ke sib xyaw nrog cov khoom siv carbon fiber lossis iav fiber. Piv nrog cov hlau sib xyaw, lawv yooj yim dua rau kev hloov pauv thiab ua tiav, thiab lub zog ntawm ntau qhov sib txawv tuaj yeem txiav txim siab raws li cov duab kos. Lwm qhov zoo dua yog tias lawv pheej yig dua li cov hlau. Lub dav hlau Boeing 787, uas tau txais txiaj ntsig zoo hauv kev lag luam dav hlau thoob ntiaj teb, siv cov khoom sib xyaw ntawm qhov loj.
Tsis muaj qhov tsis ntseeg tias cov ntaub ntawv sib xyaw ua ke yog qhov kev tshawb fawb tseem ceeb hauv kev tshawb fawb txog cov ntaub ntawv dav hlau yav tom ntej. Kev sib xyaw ua ke ntawm ntau yam ntaub ntawv yuav tsim kom muaj ib qho ntxiv ib qho loj dua ob. Piv nrog cov ntaub ntawv ib txwm muaj, nws muaj ntau txoj hauv kev. Cov dav hlau neeg caij tsheb yav tom ntej, nrog rau cov foob pob hluav taws, rockets, thiab spacecraft thiab lwm yam tsheb chaw, txhua tus muaj qhov xav tau siab dua rau kev hloov pauv thiab kev tsim kho tshiab ntawm cov ntaub ntawv. Lub sijhawm ntawd, tsuas yog cov ntaub ntawv sib xyaw ua ke thiaj li ua tau txoj haujlwm. Txawm li cas los xij, cov ntaub ntawv ib txwm yuav tsis thim rov qab ntawm theem keeb kwm sai sai, lawv kuj muaj qhov zoo uas cov ntaub ntawv sib xyaw ua ke tsis ua. Txawm tias 50% ntawm cov dav hlau neeg caij tsheb tam sim no yog ua los ntawm cov ntaub ntawv sib xyaw, qhov seem tseem xav tau cov ntaub ntawv ib txwm muaj.
Lub sijhawm tshaj tawm: Tsib Hlis-28-2021
