Isingeniso ku-Pitot Static System
Ubunkimbinkimbi bokundiza buhlale buthakazelisa isintu. Kusukela endizeni yokuqala yezelamani zakwa-Wright kuya kubuchwepheshe bezindiza obuphambili banamuhla, uhambo beluyinto emangalisayo. Okubalulekile kulobu buchwepheshe obumangalisayo yi-Pitot Static System, iqhawe elingaculwanga ku- ama-avionics umhlaba. Le sistimu iwumgogodla wekhono lendiza lokukala amapharamitha abalulekile endizeni afana nesivinini somoya, ukuphakama, kanye nesivinini esiqondile. Lezi zilinganiso azizona nje izinombolo; zingamaphuzu edatha abalulekile aqinisekisa ukuphepha nokusebenza kahle kwendiza.
Ukuqonda umsebenzi we-Pitot Static System kuqala ngokubheka umlando wayo. Iqanjwe ngonjiniyela waseFrance u-Henri Pitot, owasungula ishubhu le-Pitot ngekhulu le-18, lolu hlelo luye lwavela ngokuhamba kweminyaka. Namuhla, ihlanganisa umklamo oyinkimbinkimbi ohlanganisa ngaphandle komthungo nesakhiwo sendiza esishintshashintshayo. Umgomo oyisisekelo, nokho, uhlala ungashintshiwe - ukulinganisa okunembile kokuhluka komfutho womoya ukuze sazise abashayeli bezindiza ngesimo sabo sendiza.
Abashayeli bezindiza bathembele olwazini olunembile olusuka ku-Pitot Static System cishe kuzo zonke izici zendiza. Kuyifasitela labo emoyeni ongabonakali nokho obambekayo obazungezile. Kodwa iyini ngempela le sistimu, futhi iwuhumusha kanjani umfutho womoya kudatha yendiza enengqondo? Izigaba ezizayo zihlose ukuhlukanisa i-Pitot Static System futhi zinikeze ukuqonda okuphelele kokusebenza kwayo, ukubaluleka, nokugcinwa kwayo.
Ukubaluleka Kohlelo Lwe-Pitot Static Kwezokundiza
Ukuphepha kwendiza kubalulekile, futhi i-Pitot Static System iyingxenye ebalulekile enomthelela kulokhu kuphepha. Ngaphandle kwayo, abashayeli bezindiza bazobe beyizimpumputhe, bangakwazi ukwenza izinqumo ezinolwazi mayelana nesivinini sabo, engamamitha, kanye namazinga okukhuphuka noma ukwehla. Lolu hlelo luhlinzeka ngedatha edingekayo ukuze kuthotshelwe ukuhamba kwezindiza ukulawula imithetho futhi usize abashayeli bezindiza balondoloze ukuhlukana kwezinye izindiza, indawo, nezithiyo.
Ngaphezu kwalokho, i-Pitot Static System idlala indima ebalulekile ekusebenzeni kahle kwendiza. Ukonga kukaphethiloli, ukuphathwa kwesikhathi, kanye nokusetshenziswa kahle kwendawo yomoya konke kuthonywa idatha enembile enikezwa yilesi simiso. Ivumela abashayeli bezindiza ukuthi balandele imizila esebenza kahle kakhulu nezindawo eziphakeme, iqinisekisa ukufika kanye nokusuka ngesikhathi, okubalulekile embonini yezindiza esheshayo.
Esinye isici sokubaluleka kwe-Pitot Static System igalelo layo ekwakhiweni kwezindiza kanye i-aerodynamics. Onjiniyela babheka izimfuneko zesimiso lapho beklama izindiza, beqinisekisa ukuthi izingxenye zazo zibekwe ezindaweni ezizonikeza ukufundwa okunembe kakhulu. Ukusebenza kahle kwesistimu kuthinta ngokuqondile iphrofayili ye-aerodynamic yendiza, yona ibe nomthelela ekusebenzeni kwendiza nezici zokusingatha.
Ukuqonda Izingxenye Zohlelo Lwe-Pitot Static
I-Pitot Static System iqukethe izingxenye ezimbalwa, ngayinye idlala indima eyingqayizivele yokulinganisa imingcele yendiza. Ishubhu le-Pitot, ingxenye ebalulekile, ibekwe ngaphandle kwendiza, ngokuvamile ephikweni noma ekhaleni, lapho ihlangana nokugeleza komoya okungaphazanyiswa. Leli shubhu linomthwalo wemfanelo wokulinganisa umfutho ophelele, owaziwa nangokuthi umfutho womoya wenqama, okuyinhlanganisela yokucindezela okumile kanye nokucindezela okuguquguqukayo ngenxa yokuya phambili kwendiza.
Okulandelayo izimbobo ezimile, ngokuvamile ezitholakala nhlangothi zombili ze- i-fuselage. Lezi zimbobo zikala ukucindezela komoya okumile, okubalulekile ekunqumeni ukuphakama nesivinini esiqondile. Ukucindezela okumile ukucindezela komkhathi endaweni yamanje yendiza, okungathintwa ukunyakaza kwendiza.
Ngaphakathi kwe-cockpit, idatha yomfutho womoya eqoqwe yishubhu le-Pitot nezimbobo ezimile ithunyelwa kumathuluzi endiza. Inkomba yesivinini somoya, i-altimeter, kanye nenkomba yesivinini esime mpo amathuluzi amathathu ayinhloko abonisa ulwazi olususelwe ku-Pitot Static System. Ithuluzi ngalinye lisebenzisa idatha yengcindezi ngezindlela ezihlukene ukuze linikeze abashayeli bezindiza ulwazi oludingekayo lwendiza.
Isebenza kanjani i-Pitot Static System?
Ukuze uqonde ukuthi i-Pitot Static System isebenza kanjani, kubalulekile ukuhlolisisa i-physics yokucindezela komoya nokunyakaza. Lapho indiza ihamba emoyeni, izinhlayiya zomoya ziba nokucindezela endizeni. Ishubhu le-Pitot lithwebula umfutho okhishwa izinhlayiya zomoya ezihamba eshubhuni, okwandayo ngesivinini sendiza. Le ngcindezi elinganisiwe iphakeme kune-ambient static pressure ngenxa yamandla e-kinetic engeziwe omoya onyakazayo.
Ngesikhathi esifanayo, izimbobo ezimile zikala umfutho we-ambient womkhathi endaweni yamanje yendiza. Lokhu kucindezela kuncipha ngokuphakama, kulandela i-gradient eyaziwayo. Amathuluzi aku-cockpit aqhathanisa ingcindezi ephelele evela kushubhu ye-Pitot nengcindezi emile evela ezimbobeni ezimile ukuze kubalwe isivinini sendiza yendiza.
Ngezilinganiso zokuphakama kwe-altitude, i-altimeter incike kuphela kungcindezi emile. Njengoba indiza ikhuphuka noma yehla, ukucindezela okumile kuyashintsha, futhi i-altimeter ihumusha lezi zinguquko zibe ukufundwa kokuphakama kokuphakama. Ngakolunye uhlangothi, inkomba yesivinini esime mpo, ikala izinga loshintsho kumfutho omile, okubonisa ukuthi indiza iyakhuphuka, iyehla, noma isezingeni lokundiza.
Imisebenzi ye-Pitot Static System
Umsebenzi oyinhloko we-Pitot Static System ukunikeza abashayeli bezindiza ukufunda okunembile kwesivinini somoya. I-Airspeed iyipharamitha ebalulekile yokusebenza kwendiza ephephile, ebusa izinqumo kusukela ekusukeni kuye ekufikeni kokufika. Yazisa abashayeli bezindiza ukuthi bandiza ngaphakathi kwemvilophu yokusebenza ephephile yendiza, ikakhulukazi phakathi nezigaba ezibucayi njengokusuka, ukusondela, nokufika.
I-Altitude ingenye ipharamitha ebalulekile enikezwe i-Pitot Static System. Ukwazi ukuphakama kwendiza kubalulekile ekuhambeni, ukuthobela iziqondiso zokulawula ukuhamba kwezindiza, nokugcina ikude ngokuphephile nendawo nezinye izindiza. Ukufundwa kwe-altitude okunembile nakho kuyadingeka ekusebenziseni izindlela zamathuluzi phakathi nezimo zezulu ezimbi.
Inkomba yesivinini esime mpo ibaluleke ngokulinganayo, ikakhulukazi uma undiza endaweni enamagquma noma yezintaba lapho kungase kudingeke khona izinguquko ezisheshayo zokuphakama kokuphakama. Lo msebenzi we-Pitot Static System usiza abashayeli bezindiza ukuthi balawule izinga labo lokukhuphuka noma ukwehla ukuze baqinisekise uguquko olushelelayo phakathi kwamazinga endiza ahlukene kanye nokuvimbela ukucindezelwa kakhulu kwendiza.
Ukuxazulula Izinkinga Ezivamile Zesistimu Ye-Pitot Static
Njenganoma yiluphi uhlelo oluyinkimbinkimbi, i-Pitot Static System ingahlangabezana nezinkinga ezingase zithinte ukusebenza kwayo. Ukuvinjwa kuphakathi kwezinkinga ezivame kakhulu, lapho ukungcola, iqhwa, noma izidleke zezinambuzane zivimbela ishubhu le-Pitot noma izimbobo ezimile, okuholela ekufundweni okuyiphutha. Abashayeli bezindiza kufanele babone izimpawu zokuvinjwa okunjalo, okuhlanganisa ukufundwa kwethuluzi okungaqondakali noma okungaqondakali.
Enye inkinga ingavela ngenxa yokuvuza ngaphakathi kwesistimu. Njengoba uhlelo lusebenza ngomgomo wokuhluka kwengcindezi, ukuvuza kungabangela ukwehla okukhulu kwengcindezi, okuholela ekufundweni kwesivinini somoya noma ukuphakama okunganembile. Ukuhlolwa okuvamile kuyadingeka ukuze kuqinisekiswe ubuqotho bamapayipi nokuxhumana kwesistimu.
Ukuhluleka kukagesi kungase futhi kube nomthelela ekusebenzeni kwe-Pitot Static System. Izindiza zesimanje zisebenzisa amashubhu e-Pitot ashisayo ukuvimbela ukwakheka kweqhwa, futhi ukwehluleka ohlelweni lokushisisa kungaholela ngokushesha eshubhu le-Pitot eliqandisiwe, ikakhulukazi ezimweni zokundiza ezisezingeni eliphezulu noma ezibandayo. Abashayeli bezindiza baqeqeshelwa ukuqaphela nokusabela ekuhlulekeni okunjalo ukuze balondoloze ukulawula okuphephile kwendiza.
Ukugcinwa Nokusebenza Kohlelo Lwe-Pitot Static
Ukunakekelwa okujwayelekile kanye nokusevisa kubalulekile ukuze kuqhubeke ukwethembeka kwe-Pitot Static System. Izinqubo zokunakekela zihlanganisa ukuhlanzwa okuvamile kweshubhu le-Pitot nezimbobo ezimile ukuze kuvinjelwe ukuvinjelwa, kanye nokuhlolwa kwanoma yiziphi izimpawu zokulimala noma ukuguga. Lawa masheke ayingxenye yokuhlolwa kwangaphambi kwendiza namashejuli okulungisa anemininingwane.
Ukunikeza isevisi kuhlanganisa nokuhlola nokulinganisa amathuluzi endiza axhunywe ku-Pitot Static System. Ukulinganisa kuqinisekisa ukuthi amathuluzi abonisa ngokunembile idatha yengcindezi abayitholayo. Amathuluzi akhethekile asetshenziswa phakathi nalezi zinqubo ukuze alingise izimo zengcindezi indiza engaba nayo ezindaweni ezihlukahlukene zokuphakama nesivinini.
Ochwepheshe abaqeqeshwe kuma-avionics benza le misebenzi yokulungisa. Balandela izivumelwano eziqinile futhi basebenzisa amathuluzi anembayo ukuze baqinisekise ukuthi i-Pitot Static System isebenza ngaphakathi kokubekezelela okucacisiwe komkhiqizi. Ukusevisa ngendlela efanele kuqinisekisa ukuthi abashayeli bezindiza banamathuluzi athembekile, abalulekile ekusebenzeni kwendiza okuphephile.
Okuqanjwe kabusha ku-Pitot Static System Technology
Intuthuko kwezobuchwepheshe ilethe izinto ezintsha ekwakhiweni nasekusebenzeni kwe-Pitot Static System. Enye into enjalo emisha ukuhlanganiswa kwezinzwa zedijithali ezinikeza izimpendulo ezinembe kakhudlwana nezisheshayo ezinguqukweni zokucindezela komoya. Lezi zinzwa zithuthukisa ukwethembeka kwedatha yendiza futhi zingasebenzisana namasistimu e-avionics athuthukisiwe ukuze athuthukiswe ukuphathwa kwendiza.
Enye indawo yokuqanjwa kabusha ukuthuthukiswa kwamashubhu e-Pitot ahlakaniphile angakwazi ukubona futhi anciphise izinkinga ezifana nezimo ze-icing ngokuzenzakalelayo. Lezi zinhlelo ezihlakaniphile zingenza kusebenze izinto zokushisisa ukuze kuvinjelwe ukunqwabelana kweqhwa ngaphandle kokungenelela komshayeli, okwandisa ukuphepha ezimweni zezulu ezimbi.
Ngaphezu kwalokho, ukufakwa kwe-redndancy ku-Pitot Static Systems sekuvame kakhulu. Amashubhu amaningi e-Pitot kanye nezimbobo ezimile kufakwa endizeni yesimanje ukuze kuqinisekiswe ukuthi isipele siyatholakala uma ingxenye eyodwa yehluleka. Lokhu kuphelelwa umsebenzi kuyisici esibalulekile sokuphepha esiza ukugcina ubuqotho bedatha yendiza enikezwe indawo yabasebenzi.
Ikusasa le-Pitot Static Systems
Uma sibheka phambili, ikusasa le-Pitot Static Systems lilungele ukuvela okunye. Njengoba izindiza ziba yinkimbinkimbi futhi zikwazi ukuzimela, isidingo samasistimu edatha yomoya enembe nakakhulu futhi anokwethenjelwa sizokhula. Ukuqamba okusha okufana nezinzwa zedatha yomoya ezingaphazamisi ezingadingi ukungena ngokomzimba kwesikhumba sendiza kuyacwaningwa. Lokhu kunganciphisa ubungozi bokuvinjwa kanye nokulimala, kuthuthukise ukwethembeka kwesistimu.
Ukuhlanganiswa nezinye izinhlelo zezindiza kungenye intuthuko emkhathizwe. Ngokwabelana ngedatha namasistimu okuzulazula nawokulawula indiza, i-Pitot Static System ingaba negalelo esithombeni esibanzi sendawo nokusebenza kwendiza. Lokhu kuhlanganiswa kuzoba okubaluleke kakhulu entuthukweni yesikhathi esizayo ezimotweni zasemoyeni ezingenamuntu (ama-UAV) kanye nezinkundla zokuhamba komoya zasemadolobheni.
Umgomo omkhulu uwukwakha Uhlelo lwe-Pitot Static olunganakekeli cishe, olunamandla okuzihlola okwazisa abasebenzi bokulungisa izinkinga ezingaba khona ngaphambi kokuba zibe izinkinga. Intuthuko enjalo ingathuthukisa ngokuphawulekayo ukuphepha nokusebenza kwendiza, kwenze ukuhamba ngendiza kuthembeke nakakhulu.
Isiphetho
I-Pitot Static System iyingxenye ebalulekile yendiza yesimanje, eyingxenye yokusebenza okuphephile nokusebenza kahle kwezindiza. Ikhono layo lokuhlinzeka ngesivinini esinembile somoya, ukuphakama, kanye nesivinini esiqondile sibalulekile kubashayeli bezindiza ukuze benze izinqumo ezinolwazi ngesikhathi sendiza. Izingxenye zesistimu, ukusebenza, nokunakekelwa konke kuqondiswe ekuqinisekiseni ukwethembeka kwedatha elunikezayo.
Njengoba ubuchwepheshe buthuthuka, i-Pitot Static System izoqhubeka nokuvela, kanye nezinto ezintsha ezihloselwe ukwandisa ukunemba, ukwethembeka, nokuhlanganiswa nezinye izinhlelo zezindiza. Ikusasa lithembisa izinhlelo eziyinkimbinkimbi nakakhulu ezizoqinisa indima ebalulekile ye-Pitot Static System kwezokundiza.
Uhambo olunqamula esibhakabhakeni luwukusebenzelana okuyinkimbinkimbi kobuchwepheshe, i-physics, nekhono lomuntu. Enhliziyweni yalokhu kudlala i-Pitot Static System, enikeza buthule nangokuthembekile idatha egcina indiza iphezulu ngokuphepha. Kuwubufakazi bobuhlakani bamangqalabutho ezindiza kanye nokuphishekela okuqhubekayo kokwenza kahle emkhakheni wobunjiniyela bezindiza.
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