Hauv kev tsav dav hlau, kev ua kom muaj kev nyab xeeb ntawm lub dav hlau thaum lub caij ntuj no yog qhov tseem ceeb heev.Kev ntxuav cov dav hlaucuam tshuam txog kev tshem tawm cov dej khov, daus, lossis te ntawm cov nto ntawm lub dav hlau kom tswj tau qhov ua tau zoo ntawm aerodynamic, vim tias txawm tias cov dej khov me me tuaj yeem txo qhov nqa thiab ua rau muaj kev sib txhuam ntau ntxiv, ua rau muaj kev pheej hmoo loj heev.Cov txheej txheem tshem tawm cov dav hlauvam khom cov kua dej tshwj xeeb, feem ntau yog ua los ntawmethylene glycol(EG) los yog propylene glycol(PG), kom yaj cov dej khov thiab tiv thaiv kev hloov pauv.
Kev ntsuas qhov ceev ntawm cov kua dej deicingyog ib qho txheej txheem tseem ceeb rau kev tswj hwm qhov ceev ntawm cov kua no, uas cuam tshuam ncaj qha rau lawv qhov chaw khov, viscosity, thiab lub sijhawm tuav (HOT). Qhov ceev tsis raug tuaj yeem ua rau deicing tsis zoo, muaj kev phom sij rau kev nyab xeeb, lossis nce tus nqi, nrog rau cov kua deicing tus nqi ntawm $ 8–12 ib nkas loos.Cov ntsuas dej ntws tawmthiabcov ntsuas ntom ntom deicermuab cov kev daws teeb meem siab heev rau kev saib xyuas lub sijhawm tiag tiag, tshwj xeeb tshaj yog hauv kev tswj hwm pov tseg thiab kev siv dua tshiab, txhim khokev daws teeb meem deicing dav hlauTsab xov xwm no tshawb nrhiav lub luag haujlwm ntawm kev ntsuas qhov ceev, nws cov txiaj ntsig, thiab nws txoj kev koom ua ke rau hauvcov tshuab tua kab mob hauv dav hlau.
Backgpuag ncigKtam sim nontugntawmKev Tshem Tawm Dav Hlau
Kev Tshem Tawm Dav Hlau yog dab tsi?
Kev ntxuav cov dav hlauyog cov txheej txheem ntawm kev tshem tawm cov khoom tsis huv uas khov ntawm cov nplaim dav hlau ua ntej yuav tawm mus, kom ntseeg tau tias kev ua haujlwm ya dav hlau muaj kev nyab xeeb. Nws suav nrog ob kauj ruam:
Kev txiav cov khoom sivSiv cov kua kub kom yaj cov dej khov, daus, lossis te uas twb muaj lawm.
Tiv thaiv kev khov: Siv cov kua los pleev rau saum npoo av kom tiv thaiv kev tsim dej khov tshiab thaum lub sijhawm av.
Cov tshuab tua cov dej khov thiab tiv thaiv cov dej khov ntawm cov dav hlauua kom tiav cov kev siv zog hauv av, nrog rau qee lub dav hlau uas muaj tis lossis propellers uas muaj cua sov. Txawm li cas los xij, kev ntxuav hauv av tseem ceeb heev, tswj hwm los ntawm cov neeg tau kawm tiavcov kws kho tshuab aircraftua raws li nrujcov txheej txheem deicing dav hlau.
Hom kua deicing
Cov kua dej deicing raug muab faib ua plaub hom, txhua tus muaj cov yam ntxwv tshwj xeeb (Ground Icing: Fluid Basics):
Hom ICov kua dej uas tsis muaj viscosity ntau rau kev deicing, siv kub, nrog rau cov HOTs luv luv.
Hom II: Cov kua ua kom tuab rau kev tiv thaiv kev khov, muab cov HOTS ntev dua, siv hauv Tebchaws Europe.
Hom III: Sib npaug rau cov dav hlau me dua, nrog rau HOTs nruab nrab.
Hom IVCov kua dej uas muaj viscosity siab rau cov dav hlau loj, muab cov HOTs ntev tshaj plaws.
Cov kua dej no feem ntau yog glycol-based, nrog rau propylene glycol nyiam dua vim muaj tshuaj lom tsawg dua.
| Hom kua | Kev Siv Tseem Ceeb | Qhov viscosity | Lub Sijhawm Tuav Tseg |
| Hom I | Kev txiav cov khoom siv | Qis | Luv |
| Hom II | Tiv thaiv kev khov | Siab | Nruab nrab |
| Hom III | Tshem tawm/Tiv thaiv kev khov | Nruab Nrab | Nruab nrab |
| Hom IV | Tiv thaiv kev khov | Siab | Ntev |
Qhov Tseem Ceeb ntawm Cov Kua DejDkev ua siab loj
Vim li casDkev ua siab lojTej yam tseem ceeb
Qhov ceev ntawm cov kua deicing txiav txim siab lawv cov kev ua tau zoo:
Chaw KhovIb qho sib xyaw glycol 70% tuaj yeem txo qhov khov ntawm -67°F (-55°C), piv rau -18°F (-28°C) rau cov kua dej uas tsis tau diluted.
Qhov viscosity: Cuam tshuam rau kev txau thiab kev nplaum, tseem ceeb rau cov kua dej tiv thaiv kev khov.
Lub Sijhawm Tuav (KUB): Xyuas kom muaj kev tiv thaiv ntev ua ntej tawm mus.
Qhov Kub Siv Tau Qis Tshaj Plaws (LOUT)Txhais qhov kub txias tshaj plaws uas cov kua dej tseem ua haujlwm tau.
Qhov ceev tsis raug tuaj yeem ua rau:
Kev tsis txaus ntawm kev dilutionCov tsos mob: Cov kua dej ntau dua, cov tshuaj tsuag tsis sib xws, thiab cov kua dej pov tseg.
Kev dilution ntau dhau: Qhov chaw khov dua, txo qhov ua tau zoo thiab kev nyab xeeb.
Kev cuam tshuam rau ib puag ncig thiab tus nqi
Cov kua ntxuav dej kim heev, kwv yees li ntawm 25 lab nkas loos dej siv txhua xyoo hauv Tebchaws Meskas. Kev siv ntau dhau ua rau cov nqi kim dua, thaum kev pov tseg tsis raug ua rau muaj kev txhawj xeeb txog ib puag ncig, xws li kev ua qias tuaj ntawm cov dej hauv av.Kev ntsuas qhov ceev ntawm Deicerpab txhim kho kev siv thiab tswj cov khib nyiab, txhawb kev ua raws li cov cai zoo li cov los ntawm Lub Chaw Tiv Thaiv Ib Puag Ncig (EPA).
Lub Luag Haujlwm ntawm Deicing Fluid Density Meters
Cov ntsuas dej ntws ntawm cov kua dej yog dab tsi?
Cov ntsuas dej ntws tawmntsuas qhov ceev ntawm cov kua dej deicing, uas cuam tshuam nrog qhov ceev ntawm glycol. Cov ntsuas ultrasonic lossis sonic velocity-based, xws li cov los ntawm , siv cov nthwv dej suab los ntsuas qhov ceev hauv lub sijhawm tiag tiag, muab cov kev daws teeb meem tsis cuam tshuam rau cov chaw ib puag ncig hnyav.
Cov ntawv thov hauv Aircraft Deicing
Cov ntsuas qhov ntom ntawm Deicerfeem ntau yog siv rau:
Kev Saib Xyuas Hauv KabKev ntsuas qhov ceev ntawm cov kav dej thauj mus los (piv txwv li, DN 50), cov kab sau, lossis cov pas dej khaws dej.
Kev Tswj Xyuas Pov TsegKev txiav txim siab cov glycol seem hauv cov dej khib nyiab rau kev rov ua dua tshiab (> 1%) lossis tso tawm.
Kev Tswj Xyuas Txheej Txheem: Xyuas kom meej tias cov kua dej zoo sib xws thaum lub sijhawm sib tov thiab siv.
Cov meters no txhawb nqacov tshuab tua kab mob hauv dav hlaulos ntawm kev muab cov ntaub ntawv txuas ntxiv mus, txo kev vam khom rau kev kuaj hauv chaw kuaj.
Cov txiaj ntsig ntawm kev ntsuas qhov ceev ntawm cov kua dej deicing
Lonnmeter, ua tus thawj coj tsim khoom lossis tus neeg muab khoom ntawm deicer density meter, tau muab ntau yam kev daws teeb meem kev tshaj lij uas muaj feem cuam tshuam nrogkev ntsuas qhov ceev tas mus liPeb cov kev daws teeb meem ua haujlwm hauv kev txhim kho kev nyab xeeb, kev txuag nqi, kev ua raws li ib puag ncig thiab txawm tias kev txhim kho kev ua haujlwm zoo.
Kev Nyab Xeeb Zoo Dua
Kev ntsuas qhov ceev ntawm cov kua dej deicingua kom cov kua dej ua tau raws li cov qauv kev ua tau zoo, tiv thaiv kev hloov pauv dej khov thiab tswj kev ua haujlwm ntawm huab cua. Qhov no tseem ceeb heev raucov txheej txheem deicing dav hlau, raws li tau teev tseg los ntawm FAA.
Kev Txuag Nyiaj
Los ntawm kev ua kom zoo dua kev siv dej,cov ntsuas ntom ntom deicertxo cov khib nyiab, txuag tau ntau lab tus txhua xyoo. Piv txwv li, kev saib xyuas kom meej tuaj yeem txo qhov kev siv dej los ntawm 15%, raws li pom hauv cov ntaub ntawv tshawb fawb.
Kev Ua Raws Cai Ib puag ncig
Cov ntsuas qhov ceevpab tswj cov dej khib nyiab los ntawm kev soj ntsuam cov ntsiab lus glycol, xyuas kom ua raws li EPA cov cai. Kev siv cov kua dej rov ua dua tshiab uas muaj >1% glycol txo cov kev cuam tshuam rau ib puag ncig thiab cov nqi kho mob.
Kev Ua Haujlwm Zoo
Cov ntaub ntawv tiag tiag los ntawmcov ntsuas dej ntws ceevtxo qhov kev ncua sijhawm, tso cai raucov kws kho tshuab aircraftkom hloov kho sai. Qhov no ua kom yooj yim duakev daws teeb meem deicing dav hlauthiab txo cov sijhawm ua haujlwm.
Kev koom ua ke nrog Aircraft Deicing Solutions
Cov Khoom Siv Deicing rau Dav Hlau
Cov khoom siv deicing rau aircraftsuav nrog cov tsheb thauj tshuaj tsuag, cov booms, thiab cov khoom siv tes ua, tsim los siv cov kua dej kom zoo.Inkab dCov ntsuas qhov ntom sib xyaw nrog cov kab ke no los saib xyuas qhov zoo ntawm cov kua dej thaum lub sijhawm thov.
Cov Tshuab Tua Hluav Taws Xob
Cov txheej txheem deicing ntawm lub dav hlausuav nrog kev siv cov kua dej, kev saib xyuas, thiab kev tswj cov khib nyiab. Cov ntsuas qhov ceev txhim kho cov kab ke no los ntawm kev muab cov ntaub ntawv rau kev tswj hwm tsis siv neeg, txo kev cuam tshuam tes.
Kev Kawm thiab Cov Txheej Txheem
Cov kws kho tshuab deicing dav hlauxav tau kev cob qhia hauvcov txheej txheem deicing dav hlau, suav nrog kev ntsuas kua thiab kev siv. Cov peev txheej zoo litiv thaiv icing thiab deicing ntawm dav hlau pdflos ntawm FAA muab cov lus qhia ntxaws ntxaws (FAA SIAGDP).
Cov Lus Nug Feem Ntau
Kev tshem tawm cov khoom siv hauv dav hlau yog dab tsi?
Kev ntxuav cov dav hlautshem tawm cov dej khov, daus, lossis te ntawm cov nplaim dav hlau kom ntseeg tau tias kev ua haujlwm ya dav hlau muaj kev nyab xeeb.
Lub ntsuas dej ntws ua haujlwm li cas?
Cov ntsuas dej ntws tawmsiv cov nthwv dej ultrasonic los ntsuas qhov ceev, sib raug rau qhov ceev ntawm glycol rau kev saib xyuas lub sijhawm tiag tiag.
Vim li cas kev ntsuas qhov ceev ntawm cov kua dej deicing thiaj li tseem ceeb?
Kev ntsuas qhov ceev ntawm Deicerua kom muaj kev ua haujlwm zoo tshaj plaws ntawm cov kua dej, kev nyab xeeb, thiab kev ua raws li ib puag ncig los ntawm kev tswj qhov ceev.
Cov khoom siv dab tsi siv rau hauv kev tshem tawm cov khoom siv hauv dav hlau?
Cov khoom siv deicing rau aircraftsuav nrog cov tsheb thauj tshuaj tsuag, cov booms, thiab refractometers, nrog rau cov ntsuas qhov ceev rau kev saib xyuas siab heev.
Cov ntsuas dej ntws tawmtab tom hloov pauvkev daws teeb meem deicing dav hlaulos ntawm kev muab cov ntaub ntawv ceev nrooj tiag tiag, txhim kho kev nyab xeeb, kev ua haujlwm zoo, thiab kev ruaj khov. Thaum lub ntsuas refractive tseem yog tus qauv rau kev kuaj xyuas thawj zaug,kev ntsuas qhov ceev ntawm cov kua dej deicingua tau zoo heev hauv kev saib xyuas tas mus li thiab kev tswj cov khib nyiab. Cov tshav dav hlau, cov chaw muab kev pabcuam hauv av, thiab cov chaw tsim khoom tuaj yeem siv cov cuab yeej no los ua kom zoo duacov tshuab deicing thiab anti-icing ntawm cov dav hlau, xyuas kom ua raws li FAA thiab SAE cov qauv.
Ntxiv mus, Lonnmeter ua tau zoo heev hauv kev ua pov thawj qhov kev daws teeb meem ua ke uas muaj kev sib txuas ntxiv thiabvikev ntxhov siabkev ntsuas ntawm cov tshuab deicing thiab cov tshuab tiv thaiv icing rau dav hlau. Tiv tauj peb kom paub seb cov ntsuas deicer density meters tuaj yeem ua rau koj txoj haujlwm zoo li cas - thov kom tau txais cov qauv dawb hnub no (txwv rau 1,000 units, thawj tus tuaj, ua ntej tau txais kev pab)!
Lub sijhawm tshaj tawm: Lub Rau Hli-13-2025
