Kenyelletso ea Pitot Tube
Pitot tube ke sesebelisoa se bonolo empa e le sa bohlokoa se sebelisetsoang ho lekanya lebelo la sefofane se amanang le moea o se potolohileng. Le hoja ho bonahala ho le bonolo, mochine ona o bohlale e bile karolo ea bohlokoahali ea lifofane ka lilemo tse fetang lekholo. Ka ho lemoha phapang pakeng tsa khatello ea moea e sa fetoheng le khatello e phahameng e bakoang ke ho ea pele ha sefofane, li-pitot tube li fana ka lipalo tse nepahetseng tsa lebelo la moea leo bakhanni ba lifofane ba itšetlehileng ka lona bakeng sa ts'ebetso e sireletsehileng.
Tšimoloho ea tube e ka saloa morao ho tloha qalong ea lekholo la bo18 la lilemo ha Henri Pitot, moenjiniere oa Lefora, a qala ho qapa mohopolo ona. Le hoja qalong e ne e sebelisetsoa ho metha phallo ea mokelikeli, tšebeliso ea eona ea lifofane e ile ea fetola indasteri, ea nolofalletsa bafofisi ba lifofane ho beha leihlo lebelo la bona la moea ka nepo – ntlha ea bohlokoahali ea ho laola tšebetso ea sefofane, haholo-holo nakong ea ha sefofane se tloha le ha se lula. Ha nako e ntse e ea, tsoelo-pele ea theknoloji e lebisitse ho meralo e tsoetseng pele ea li-pitot tube, empa molao-motheo o ntse o sa fetohe, e leng bopaki ba bokhabane bo tšoarellang ba boqapi bona bo bonolo empa bo tsoteha.
Molao-motheo oa Motheo o ka Mora ho Tse Bonoeng
Ts'ebetso ea tube e thehiloe holim'a molao-motheo o otlolohileng empa o bohlale: o lekanya phapang pakeng tsa khatello ea moea e tsitsitseng e potolohileng sefofane le khatello e phahameng e bakoang ke ho ea pele ha sefofane. Phapang ena ea khatello e na le senotlolo sa ho tseba ka nepo lebelo la sefofane.
Ha sefofane se ntse se tsamaea moeeng, se thulana le khanyetso ea limolek'hule tsa moea, e leng se etsang hore li phuthehe ka pel'a lesoba la pitot. Ho bokellana hona ha limolek'hule tsa moea ho fella ka khatello e phahameng, e tsejoang e le khatello e matla. Ka nako e ts'oanang, khatello e tsitsitseng, e leng khatello ea moea e potolohileng sefofaneng, e lekanngoa ka likou tse arohaneng tse tsitsitseng. Ka ho bapisa likhatello tsena tse peli tsa khatello, phaephe e khona ho lekanya lebelo la sefofane ka nepo e tsotehang, e fa bafofisi boitsebiso ba bohlokoa bakeng sa ho sebetsa ka tsela e sireletsehileng le ka katleho ha sefofane se fofa.
Ka ho bala phapang pakeng tsa likhatello tsena tse peli, li-pitot tubes li ka tseba hantle hore na sefofane sa sefofane se lebelo hakae. Khopolo ena e bonolo empa e le bohlale e bile motheo oa ho metha lebelo la sefofane ka lilemo tse mashome, e fa bafofisi ba lifofane boitsebiso ba bohlokoa ho netefatsa hore lifofane li tsamaea ka mokhoa o sireletsehileng le ka katleho.
Karolo ea Pitot Tubes ho Aviation
Li-tubes tsena li bapala karolo ea bohlokoa ho tsamaiseng lifofane ka ho fana ka lipalo tse nepahetseng tsa lebelo la moea, tse bohlokoa bakeng sa likarolo tse fapaneng tsa ts'ebetso ea sefofane. Lisebelisoa tse ling tsa bohlokoa li kenyelletsa:
Moralo oa Sefofane: Litaba tsa Airspeed li bohlokoa bakeng sa ho bala tšebeliso ea mafura, linako tsa sefofane, le lintlha tse ling tsa tsamaiso nakong ea ho rera pele sefofane se tloha.
Tlhokomelo ea Ts'ebetso ea Lifofane: Bafofisi ba lifofane ba itšetlehile ka boitsebiso ba lebelo la sefofane ho beha leihlo le ho lokisa tsela eo sefofane se sebetsang ka eona nakong ea mekhahlelo e fapaneng ea ho fofa, e kang ho tloha, ho hloa, ho tsamaea ka sekepe le ho theoha.
Sistimi ea Temoso ea Stall: Lifofane tse ngata tsa sejoale-joale li na le lisebelisoa tsa temoso tse sebelisang data ea pitot tube ho lemosa bakhanni ba lifofane ha sefofane se le haufi le boemo ba ho emisa, e leng se ba lumellang ho nka khato ea ho lokisa.
Taolo ea Sephethephethe sa Moea: Babusi ba sephethephethe sa moea sebelisa tlhahisoleseling ea lebelo la sefofane ho laola le ho hokahanya metsamao ea lifofane, ho netefatsa karohano e bolokehileng le phallo e nepahetseng ea sephethephethe.
Kamoo Pitot Tube Lekanya Airspeed
Mokhoa oa ho lekanya lebelo la moea o sebelisa tube o kenyelletsa likarolo tse 'maloa tse sebetsang ka tandem. Mona ke karohano ea lintlha tsa bohlokoa:
Pitot Tube: Mofumahali ka boeena ke tšupu e tšesaane, e shebileng pele e tšoarang khatello e matla ea moea ha sefofane se ntse se tsamaea ho eona.
Maemo a Maemo: E lutse holim'a fuselage kapa mapheong a sefofane, likou tse tsitsitseng li lekanya khatello ea moea e potolohileng sefofane, ho fana ka boleng ba khatello e tsitsitseng.
Li-Pressure Transducers: Lisebelisoa tsena li fetola phapang ea khatello lipakeng tsa pitot tube le li-port tse sa fetoheng hore e be mats'oao a motlakase a ka hlalosoang ka lisebelisoa tsa sefofane.
Sesupo sa Airspeed: Letšoao la lebelo la sefofane, le atisang ho fumanoa karolong ea lisebelisoa tsa mofofisi, le bontša lebelo la sefofane ka ho hlalosa matšoao a motlakase a tsoang ho li-transducer tsa khatello.
Ka ho tsoela pele ho beha leihlo le ho bala phapang pakeng tsa khatello e matla le e tsitsitseng, li-tubes tsena li fana ka tlhahisoleseding ea nako ea sebele ea sefofane ho bafofisi ba lifofane, ho netefatsa hore ba ka etsa liqeto tse nang le tsebo nakong ea maemo a fapaneng a sefofane.
Mefuta ea Pitot Tubes e Sebelisitsoeng Lifofaneng
Le hoja molao-motheo o ntse o tšoana, li-pitot tubes li tla ka meralo le litlhophiso tse fapaneng ho lumellana le mefuta e fapaneng ea lifofane le litlhoko tsa ts'ebetso. Mona ke mefuta e meng e tloaelehileng ea li-pitot tubes:
Straight Pitot Tube: Moqapi ona o bonolo o na le tube e otlolohileng, e shebileng pele e tšoarang khatello e matla ka ho toba.
Heated Pitot Tube: Maemong a batang a leholimo, li-pitot tubes li ka sitisoa ke leqhoa. Li-tubes tse futhumetseng li sebelisa lisebelisoa tsa ho futhumatsa motlakase ho thibela ho thehoa ha leqhoa, ho netefatsa hore ho baloa ka mokhoa o nepahetseng oa moea.
Pitot-Static Tube: Moralo ona o kopanya li-pitot tube le li-port tsa static hore e be yuniti e le 'ngoe, e nolofatsang ho kenya le ho hlokomela.
Li-tubes tse peli tsa Pitot: Lifofane tse ling li na le li-pitot tube tse sa sebetseng, tse nang le li-pitot tubes tse peli tse ikemetseng bakeng sa polokeho e eketsehileng le ho tšepahala.
Sistimi ea Flush Air Data Sensing (FADS): Lifofane tsa sejoale-joale hangata li sebelisa litsamaiso tsa FADS, tse kopanyang tšebetso ea li-pitot tube letlalong la sefofane, ho fokotsa ho hula le ho ntlafatsa bokhoni ba ho fofa.
Tlhokomelo le Polokeho
Ts'ebetso e nepahetseng ea tlhokomelo le polokeho ke ea bohlokoa bakeng sa ho netefatsa ts'ebetso e nepahetseng le e tšepahalang ea li-pitot tubes. Mona ke lintlha tse ling tsa bohlokoa:
Litlhahlobo tsa Kamehla: Li-tubes li lokela ho hlahlojoa khafetsa bakeng sa litšitiso leha e le life, tšenyo, kapa ho bola tse ka amang ts'ebetso ea tsona.
Likoahelo tsa Pitot Tube: Ha e sa sebelisoe, e lokela ho koaheloa ho thibela lithōle, likokoanyana, kapa lintho tse ling tse tsoang linaheng tse ling ho kena le ho thibela tube.
Teko ea Sistimi ea Pitot-Static: Teko ea nako le nako ea sistimi eohle ea pitot-static, ho kenyeletsoa li-pitot tubes, li-port port, le lisebelisoa tse amanang le tsona, li bohlokoa ho tseba le ho rarolla mathata afe kapa afe a ka bang teng.
Redundancy le Backup Systems: Lifofane tse ngata tsa sejoale-joale li na le li-pitot tube tse sa sebetseng kapa lisebelisoa tsa ho lekanya lebelo la moea ho netefatsa ts'ebetso e tsoelang pele e bolokehileng haeba tube ea pitot e hloleha.
Ka ho khomarela mekhoa e nepahetseng ea tlhokomelo le liprothokholo tsa tšireletso, bafofisi ba lifofane le basebeletsi ba tlhokomelo ba ka fokotsa kotsi ea liketsahalo tse amanang le tube ena le ho netefatsa ho nepahala le ho tšepahala ha tlhahisoleseding ea airspeed.
Mathata a Tloaelehileng ka Pitot Tubes ho Lifofane
Ho sa tsotellehe moralo oa bona o matla le karolo ea bohlokoa, li-tubes tsena ka linako tse ling li ka kopana le mathata a ka amang ts'ebetso ea tsona. Mathata a mang a tloaelehileng a kenyelletsa:
Leqhoa: Maemong a batang a leholimo, leqhoa le pota-potiloeng holim'a li-tubes le ka sitisa moea oa ho phalla, e leng se lebisang ho baleng ba lebelo la moea ka mokhoa o sa nepahalang kapa ho thibela ka ho feletseng.
Maloanlahla a Ntho ea Kantle ho Naha (FOD): Likokoanyana, lerōle, kapa lithōle tse ling li ka kena 'me tsa thibela li-pitot tubes, tse bakang matšoao a fosahetseng a lebelo la moea.
Tšenyo kapa Corrosion: Tšenyo ea 'mele kapa ho bola ho pitot tube ka boeona e ka ama bokhoni ba eona ba ho lekanya ka nepo khatello e matla.
Ho lutla ho Sisteme ea Pitot-Static: Ho lutla ha pitot-static system, ho kenyeletsoa li-tubing kapa likhokahano, ho ka fella ka lipalo tse sa nepahalang tsa khatello le tlhaiso-leseling e sa tšepahaleng ea lebelo la moea.
Ho hloleha ha Lisebelisoa: Le hoja e le ntho e sa tloaelehang, ho hlōleha ha li-transducers tsa khatello, li-airspeed indicators, kapa lisebelisoa tse ling tse amanang le tsona li ka lebisa lipontšong tse fosahetseng tsa moea.
Ho fokotsa litaba tsena, baetsi ba lifofane, basebetsi le mekhatlo ea taolo e sebelisitse mehato e fapaneng ea thibelo, joalo ka li-pitot tubes tse futhumetseng, litsamaiso tse sa sebetseng, le melaoana e matla ea tlhokomelo.
Histori ea Evolution n Aviation
The tube tube e na le histori e ruileng e qalileng matsatsing a pele a lifofane. Mona ke kakaretso e khuts'oane ea ho iphetola ha eona:
Bo-pula-maliboho ba Pele: Mohopolo oa ho lekanya khatello e matla ho fumana lebelo la moea o ile oa hlahisoa ka lekhetlo la pele ke moenjiniere oa Lefora Henri Pitot mathoasong a lekholo la bo18 la lilemo. Mosebetsi oa hae o ile oa rala motheo oa tsoelo-pele ea pitot tube.
Likopo tsa Pele tsa Bofofisi: Ha theknoloji ea lifofane e ntse e tsoela pele ho elella bofelong ba lekholo la bo19 la lilemo le mathoasong a lekholo la bo20 la lilemo, li ile tsa fetoloa hore li sebelisoe lifofaneng, tsa fana ka boitsebiso ba bohlokoa ba lebelo la sefofane ho bakhanni ba lifofane.
Ntoa ea II ea Lefatše le Ka mor'a moo: Nakong ea Ntoa ea II ea Lefatše, tlhoko ea tekanyo e nepahetseng ea lebelo la moea e ile ea lebisa ntlafatsong le ntlafatsong ea moralo le tlhahiso ea li-tube.
Tsoelopele ea Sejoale-joale: Ka ho fihla ha mahlale a sejoale-joale a lifofane, li-pitot tubes li fetohile ho kenyelletsa likarolo tse kang lisebelisoa tsa ho futhumatsa, meralo e kentsoeng ka metsi, le ho hokahana le lits'ebetso tsa khomphutha tsa data tsa moea tse tsoetseng pele.
Lintlafatso tsa Kamoso: Ha lifofane li ntse li tsoela pele ho sutumelletsa meeli ea boqapi, li-pitot tubes li ka 'na tsa tsoela pele, joalo ka lisebelisoa tse tsoetseng pele, meralo e ntlafalitsoeng ea aerodynamic, le ho hokahana le mahlale a ntseng a hlaha joalo ka likoloi tsa sefofane tse sa sebetsoeng (UAVs) le tharollo ea moea oa litoropong.
Ho pholletsa le histori ea eona, tube ea pitot e ntse e le karolo ea motheo ea lifofane, e lula e fetoha ho finyella litlhoko le litlhoko tse fetohang tsa indasteri.
Ho bapisa le Lisebelisoa tse ling tsa Mela ea Airspeed
Le hoja li-tubes tsena e le lisebelisoa tsa ho lekanya lebelo la sefofane ka ho fetisisa tse sebelisoang ka ho fetisisa lifofaneng, hase tsona feela khetho e fumanehang. Mona ke papiso e khutšoane le mekhoa e meng e meng:
Radar ea Doppler: Litsamaiso tsa radar tsa Doppler li lekanya ho fetoha ha maqhubu a maqhubu a seea-le-moea a bonahatsoang ho fumana hore na sefofane se tsamaea ka lebelo lefe le lebelo la sefofane. Litsamaiso tsena li sebelisoa hangata likopong tsa sesole le lipatlisiso.
Lisebelisoa tsa laser Airspeed: Lifofane tse ling tsa sejoale-joale li sebelisa lisensara tsa lebelo la moea tse sebelisang laser tse lekanyang nako ea ho fofa ha maqhubu a laser a bonahatsoang ke limolek'hule tsa moea ho bala lebelo la moea.
Inertial Navigation Systems (INS): Sistimi ea INS e sebelisa li-accelerometer le li-gyroscopes ho lekola boemo ba sefofane, lebelo le maikutlo a sona, tse ka sebelisoang ho hakanya lebelo la sefofane ka tsela e sa tobang.
Global Navigation Satellite Systems (GNSS): GNSS, joalo ka GPS, e ka fana ka leseli la lebelo la fatše, le ka kopanngoang le data ea moea ho hakanya lebelo la moea.
Le hoja mekhoa ena e meng e fana ka melemo le bokhoni bo ikhethang, Li-tubes tsena e ntse e le tharollo e sebelisoang ka ho fetisisa le e ka tšeptjoang bakeng sa ho lekanya lebelo la sefofane lifofaneng tse ngata ka lebaka la ho ba bonolo, ho nepahala le ho boloka litšenyehelo.
fihlela qeto e
Pitot tube, e leng sesebelisoa se bonahalang se le bonolo, se phethile karolo ea bohlokoa phetohong ea ho fofa. Bokhoni ba eona ba ho lekanya lebelo la sefofane ka nepo e thusitse ho netefatsa polokeho le katleho ea ts'ebetso ea lifofane lefatšeng ka bophara. Ho tloha qalong ea eona ea boemo bo tlaase ho ea ho ea morao-rao ea morao-rao, pitot tube e ntse e le karolo ea bohlokoa ka ho fetisisa ka kamoreng ea basebetsi.
Ha theknoloji ea lifofane e ntse e tsoela pele, bohlokoa ba tube bo lula bo sa fokotsehe. Ho feto-fetoha ha eona, ho ts'epahala, le rekoto e netefalitsoeng e etsa hore e be molekane ea tšeptjoang bakeng sa bafofisi ba lifofane le litsebi tsa lifofane ka ho tšoanang. Le hoja mekhoa e meng ea ho lekanya lebelo la moea e ntse e tsoela pele ho hlaha, lefa la nako e telele la pitot tube e sebetsa e le bopaki ba bohlokoa ba eona ba bohlokoa lefatšeng le ntseng le tsoela pele la lifofane.
Ho ithuta haholoanyane le likarolo tse ling tsa bohlokoa tsa sefofane, nahana ka ho ingolisa Florida Flyers Flight Academy thuto e felletseng ea inthaneteng, "Mastering Aircraft Systems." Lenaneo lena le tebileng le akaretsa lihlooho tse ngata tse fapaneng, ho tloha ho marulelo a moea ho sesa, ho etsa bonnete ba hore o fumana kutloisiso e batsi ea litsamaiso tse rarahaneng tse bolokang lifofane li fofa li sireletsehile maholimong.
Ikopanye le Sehlopha sa Florida Flyers Flight Academy kajeno ho (904) 209-3510 ho ithuta ho eketsehileng ka Private Pilot Ground School Course.
