Bofofising ba lifofane, ho bohlokoa ho netefatsa polokeho ea lifofane nakong ea mariha.Ho etsa lifofanee akarelletsa ho tlosa leqhoa, lehloa kapa serame holim'a lifofane ho boloka moea o fofa, kaha leqhoa le lenyenyane le ka fokotsa ho phahama le ho eketsa ho hula, ho baka likotsi tse kholo.Mekhoa ea ho etsa lifofaneitšetleha ka maro a khethehileng, hangata a entsoeng kaethylene glycol(EG) kapa propylene glycol(PG), ho qhibilihisa leqhoa le ho thibela phetoho.
Deicing fluid density measureke ts'ebetso ea mantlha ea ho boloka sets'oants'o se nepahetseng sa maro ana, a amang ka kotloloho ntlha ea 'ona ea leqhoa, viscosity, le nako ea ho boloka nako (HOT). Boima bo sa nepahalang bo ka lebisa ho deicing e sa sebetseng, likotsi tsa polokeho, kapa litšenyehelo tse eketsehileng, ka maro a deicing a theko ea $ 8-12 ka galone.Deicing fluid density metresledeicer density metresfana ka litharollo tse tsoetseng pele bakeng sa tlhahlobo ea nako ea nnete, haholo taolong ea litšila le ho e sebelisa hape, ho ntlafatsalifofane deicing tharollo. Sengoliloeng sena se hlahloba karolo ea ho lekanya density, melemo ea eona, le ho kopanngoa ha eona holifofane deicing systems.
BackgchitjaKjoalemohle tsaLifofane tse Deicing
Aircraft Deicing ke eng?
Ho etsa lifofaneke ts'ebetso ea ho tlosa litšila tse hoammeng sebakeng sa sefofane pele se tloha, ho netefatsa ts'ebetso e sireletsehileng ea sefofane. E kenyelletsa mehato e 'meli:
Deicing: Ho sebelisa maro a futhumetseng ho qhibilihisa leqhoa le leng teng, lehloa kapa serame.
Anti-icing: Ho koahela bokaholimo ka maro ho thibela leqhoa le lecha nakong ea mobu.
Litsamaiso tsa lifofane le li-anti-icing tsa lifofanetlatselletsa boiteko bo thehiloeng fatše, ka lifofane tse ling tse nang le mapheo a futhumetseng kapa li-propeller. Leha ho le joalo, deicing ea fatše e ntse e le ea bohlokoa, e laoloang ke koetlisolifofane deicing techniciansho latela ka thataho etsa mekhoa ea lifofane.
Mefuta ea Mekelikeli ea Deicing
Mekelikeli ea Deicing e arotsoe ka mefuta e mene, e 'ngoe le e' ngoe e na le thepa e itseng (Ground Icing: Fluid Basics):
Mofuta oa I: Mekelikeli e tlaase-viscosity bakeng sa deicing, e sebelisoa ho chesa, ka li-HOT tse khutšoanyane.
Mofuta oa II: Mekelikeli e teteaneng bakeng sa anti-icing, e fanang ka li-HOT tse telele, tse sebelisoang Europe.
Mofuta oa III: E leka-lekane bakeng sa lifofane tse nyane, tse nang le li-HOT tse itekanetseng.
Mofuta oa IV: Mekelikeli e phahameng ea viscosity bakeng sa lifofane tse kholo, tse fanang ka li-HOT tse telele ka ho fetisisa.
Mekelikeli ana hangata a thehiloe ka glycol, 'me propylene glycol e khethoa ka lebaka la chefo e tlase.
| Mofuta oa Mokelikeli | Tšebeliso ea Pele | Viscosity | Holdover Nako |
| Mofuta oa I | Deicing | Tlase | Khutšoane |
| Mofuta oa II | Anti-icing | Phahameng | E itekanetseng |
| Mofuta oa III | Deicing/ Bokgale ba ho thiba | Mahareng | E itekanetseng |
| Mofuta oa IV | Anti-icing | Phahameng | Nako e telele |
Bohlokoa ba MokelikeliDensity
HobanengDensityLitaba
Boima ba metsi a deicing bo lekanya ts'ebetso ea bona:
Sebaka se batang: Motsoako oa 70% oa glycol o ka theola ntlha ea leqhoa ho -67 ° F (-55 ° C), ha e bapisoa le -18 ° F (-28 ° C) bakeng sa mokelikeli o sa tsitsang.
Viscosity: E ama ho fafatsa le ho khomarela, ho bohlokoa bakeng sa maro a anti-icing.
Holdover Time (HOT): E netefatsa nako ea tšireletso pele sefofane se tloha.
Mocheso o Tlase ka ho Fetisisa oa Tšebeliso (LOUT): E hlalosa mocheso o batang haholo oo mokelikeli o lulang o sebetsa hantle.
Boima bo fosahetseng bo ka lebisa ho:
Tlase-tlase: Viscosity e phahameng, ho fafatsa ho sa lekanang, le mokelikeli o senyehileng.
Phetolelo e feteletseng: Sebaka se phahameng sa leqhoa, se fokotsang katleho le polokeho.
Liphello tsa Tikoloho le Litšenyehelo
Mekelikeli ea Deicing e theko e boima, 'me tšebeliso ea selemo le selemo ea US e hakanyetsoa ho lilithara tse limilione tse 25. Tšebeliso e feteletseng e eketsa litšenyehelo, athe ho lahloa ho sa lokelang ho phahamisa mathata a tikoloho, joalo ka tšilafalo ea metsi a ka tlas'a lefatše.Deicer density measuree thusa ho ntlafatsa ts'ebeliso le ho laola litšila, ho ts'ehetsa ho latelwa ha melao e kang e tsoang ho Environmental Protection Agency (EPA).
Karolo ea ho Deicing Fluid Density Meters
Deicing Fluid Density Meters ke Eng?
Deicing fluid density metreslekanya boima ba maro a deicing, a amanang le glycol density. Ultrasonic kapa sonic velocity-based metres, tse kang tse tsoang ho , sebelisa maqhubu a molumo ho lekola bongata ka nako ea sebele, ho fana ka tharollo e sa tsitsang bakeng sa libaka tse thata.
Likopo tse ho Deicing ea Lifofane
Deicer density metresli sebelisoa haholo-holo bakeng sa:
Inline Monitoring: Methati ea ho lekanya liphaepheng tsa lipalangoang (mohlala, DN 50), lithapo tse bokellang, kapa matamo.
Tsamaiso ea Litšila: Ho khetholla lintho tse setseng tsa glycol metsing a litšila bakeng sa ho sebelisoa hape (> 1%) kapa ho lahla.
Taolo ea Ts'ebetso: Ho netefatsa boleng ba mokelikeli o tsitsitseng nakong ea ho kopanya le ho sebelisoa.
Limithara tsena lia tšehetsalifofane deicing systemska ho fana ka lintlha tse tsoelang pele, ho fokotsa ho itšetleha ka tlhahlobo ea lab.
Melemo ea ho Deicing Fluid Density Measurement
Lonnmeter, joalo ka moetsi ea ka sehloohong kapa morekisi oa deicer density meter, e fane ka litharollo tse ngata tsa profeshenale tse kenyelletsang.tekanyo e tsoelang pele ya boimana. Litharollo tsa rona li sebetsa ntlafatsong ea polokeho, ho boloka litšenyehelo, ho latela melao ea tikoloho esita le ho ntlafatsa ts'ebetso.
Tšireletseho e Matlafalitsoeng
Deicing fluid density measuree netefatsa hore maro a finyella litekanyetso tsa ts'ebetso, ho thibela phetoho ea leqhoa le ho boloka botšepehi ba aerodynamic. Sena se bohlokoa hoho etsa mekhoa ea lifofane, joalo ka ha ho hlalositsoe ke FAA.
Ho Boloka Litšenyehelo
Ka ho ntlafatsa tšebeliso ea metsi,deicer density metresfokotsa litšila, ho boloka limilione ka selemo. Mohlala, ho beha leihlo ka nepo ho ka fokotsa tšebeliso ea mokelikeli ka 15%, joalo ka ha ho bonoa liphuputsong.
Tumellano ea Tikoloho
Density metresthusa ho laola metsi a litšila ka ho hlahloba litaba tsa glycol, ho netefatsa hore ho latela melao ea EPA. Ho tsosolosa metsi a nang le > 1% glycol ho fokotsa tšusumetso ea tikoloho le litšenyehelo tsa phekolo.
Katleho ea Ts'ebetso
Lintlha tsa nako ea sebele ho tlohadeicing fluid density metresfokotsa tieho, lumellalifofane deicing techniciansho etsa ditokiso kapele. Sena sea ntlafalalifofane deicing tharollo'me e fokotsa nako ea ho ikoetlisa.
Ho kopanya le Litharollo tsa ho Deicing Lifofane
Thepa ea ho Deicing bakeng sa Lifofane
Lisebelisoa tsa ho lokisa lifofanee kenyelletsa literaka tse fafatsang, li-boom, le li-unit tse tšoaroang ka letsoho, tse etselitsoeng ho sebelisa maro hantle.Inmola desity metres e hokahana le lits'ebetso tsena ho lekola boleng ba mokelikeli nakong ea ts'ebeliso.
Lifofane tsa Deicing Systems
Litsamaiso tsa ho etsa lifofanee kenyelletsa ts'ebeliso ea mokelikeli, ho beha leihlo, le taolo ea litšila. Density metres e ntlafatsa litsamaiso tsena ka ho fana ka data bakeng sa taolo e ikemetseng, ho fokotsa ho kenella ka letsoho.
Koetliso le Mekhoa
Litheknishiene tsa ho etsa lifofanehloka koetliso kaho etsa mekhoa ea lifofane, ho kenyelletsa tekanyo ea mokelikeli le tšebeliso. Lisebelisoa tse kang tsaanti-icing le deicing ea lifofane pdfho tsoa ho FAA fana ka litataiso tse qaqileng (FAA SIAGDP).
FAQs
Ho etsa lifofane ke eng?
Ho etsa lifofanee tlosa leqhoa, lehloa, kapa serame holim'a lifofane ho netefatsa ts'ebetso e sireletsehileng ea sefofane.
Deicing fluid density meter e sebetsa joang?
Deicing fluid density metressebelisa maqhubu a ultrasonic ho lekanya boima ba 'mele, bo amanang le glycol density bakeng sa ho hlahloba nako ea sebele.
Hobaneng ha tekanyo ea deicing fluid density e le bohlokoa?
Deicer density measuree netefatsa ts'ebetso e nepahetseng ea mokelikeli, polokeho, le tumellano ea tikoloho ka ho laola boima ba 'mele.
Ke lisebelisoa life tse sebelisoang ha ho etsoa deicing ea lifofane?
Lisebelisoa tsa ho lokisa lifofanee kenyelletsa literaka tse fafatsang, li-boom, le li-refractometer, tse nang le methara ea sekhahla bakeng sa tlhahlobo e tsoetseng pele.
Deicing fluid density metreslia fetohalifofane deicing tharolloka ho fana ka data ea nako ea 'nete, ho matlafatsa polokeho, ts'ebetso le ts'ebetso e tsitsitseng. Le ha index ea refractive e ntse e le tekanyetso ea licheke tsa pele,deicing fluid density measuree ipabola ka ho tswella ho beha leihlo le taolo ya matlakala. Boemafofane, bafani ba litšebeletso tsa fatše, le bahlahisi ba ka sebelisa lisebelisoa tsena ho ntlafatsalitsamaiso tsa ho etsa li-deicing le anti-icing tsa lifofane, ho netefatsa hore ho latelwa melao ya FAA le SAE.
Ho feta moo, Lonnmeter e ipabola ka ho paka tharollo e kopantseng e kenyeletsang tekano e tsoelang pele leviscositytekanyo ea litsamaiso tsa li-deicing le anti-icing ho lifofane. Ikopanye le rona ho hlahloba hore na deicer density metres e ka phahamisa ts'ebetso ea hau joang - kopa sampole ea mahala kajeno (e lekantsoeng ho li-unit tse 1,000, ea tlang pele, e sebeletsoe pele)!
Nako ea poso: Jun-13-2025
