I-Altitude Ikuthinta Kanjani Ukusebenza Kwendiza
Cishe uzwile igama engamamitha ngaphambili.
Kubantu abaningi, kuyindlela nje yokusho ubude. Uhlobo lobude ocabanga ngalo uma ubheka phezulu endizeni enqamula amafu.
Kodwa ukuphakama kwezindiza yikona konke.
Akukhona nje ukuthi indiza indizela phezulu kangakanani. Imayelana nokuphepha, ukusebenza kahle, kanye nokugcina izinto zilawula uma usemoyeni izinkulungwane zamamitha.
Abashayeli bezindiza abacabangi nje ngokuphakama—bathembele kukho. Kuyindlela ahamba ngayo, agweme ukungqubuzana, futhi asingathe izimo ezingalindelekile.
Namuhla, sikwephula konke. Kusukela kulokho ukuphakama kwendiza kusho ukuthi kungani kubaluleke kangaka. Uzofunda futhi mayelana nezinhlobo zokuphakama, ukuthi zikalwa kanjani, nokuthi ziyithinta kanjani yonke indiza.
Ake siqale.
Iyini i-Altitude in Aviation?
Ukuphakama kwendiza akukona nje ubude. Kuyisilinganiso esinembile sokuthi indiza ikude kangakanani nendawo echaziwe. Lelo phuzu kungaba izinga lolwandle, umhlabathi, noma elinye izinga kuye ngokuthi hlobo luni lokuphakama olusetshenziswayo.
Lena akuyona inombolo engahleliwe abashayeli bezindiza ababuka kuyo. Kuyimethrikhi engukhiye ekhomba ukuthi izindiza zihamba kanjani emoyeni ngokuphepha. Yonke indiza isebenza endaweni ethile ukuze igweme ukungqubuzana futhi ihlale ihlelekile ngaphakathi indawo yomoya elawulwayo.
Kungani ibaluleke kangaka? Abashayeli bezindiza bancike ekuphakameni kokuzulazula, ukusebenza kahle, nokuphepha. Isibonelo, ukuhamba ngomkhumbi ezindaweni eziphakeme kunciphisa ukusetshenziswa kukaphethiloli ngenxa yomoya omncane. Ngamagama alula, ukuphakama akusiyo nje inombolo—kuwumgogodla wendiza.
Kungani I-Altitude Ibalulekile Kwezokundiza?
Ukuphakama yikho okugcina isibhakabhaka siphephile. Cabanga ngokuhamba kwezindiza njengomgwaqo omkhulu oyinkimbinkimbi. Ngaphandle kokuphakama kwezindiza ezigcina izindiza emazingeni ahlukene, lowo mgwaqo omkhulu ubungaba isiphithiphithi sokushayisana nesiphithiphithi.
Kodwa ukuphakama kwenza okungaphezu kokuhlukanisa izindiza. Kuthinta ngqo ukusebenza. Ezindaweni eziphakeme, izinjini zisebenza kahle kakhulu, kodwa umoya omncane nawo ushintsha indlela ezisebenza ngayo. Abashayeli bezindiza kufanele bahlale belungisa ukuze balinganisele ukusetshenziswa kukaphethiloli, amandla enjini, nokuphepha.
Bese kuba nokuzulazula. Ukuphakama kuqinisekisa ukuthi izindiza zinamathela emithethweni emisiwe yendawo yomoya, zigwema ukungqubuzana nezinye izindiza. Akukhona nje ukuya phezulu noma phansi—kuyisimiso esibaliwe esenza ukuhamba ngendiza kwenzeke.
Izinhlobo ze-Altitude ku-Aviation
Ukuphakama kwendiza akuyona nje inombolo eyodwa. Kunezinhlobo eziningana, ngayinye isebenzela injongo ethile. Abashayeli bezindiza bathembele kulokhu ukuze bazulazule ngokuphepha futhi baqinisekise ukusebenza kahle kwendiza. Ake sibheke izinhlobo eziyinhloko zokuphakama kwendiza nokuthi zisebenza kanjani.
I-Altitude ekhonjisiwe
Ukuphakama okubonisiwe yilokho i i-altimeter imibukiso. Isekelwe kungcindezi ye-barometric ebekwe umshayeli ngaphambi noma phakathi nendiza. Lokhu kufunda kubalulekile ukuze kugcinwe amazinga endiza owabelwe.
Nokho, akunembile ngaso sonke isikhathi. Ukushintsha kwezinga lokushisa nokucindezela kungathinta ukunemba kwayo. Yingakho abashayeli bezindiza belungisa i-altimeter njalo ukuze ihambisane nomfutho wendawo we-barometric. Ukuphakama okubonisiwe kuyingxenye eyisisekelo kodwa ebalulekile yokuqonda ukuphakama kwendiza.
Ukuphakama Kweqiniso
Ukuphakama kweqiniso kukala ubude bendiza ngaphezu kolwandle. Ukuphakama kwangempela futhi kubalwa ukunemba. Ngokwesibonelo, lapho indiza indizela ngamamitha angu-35,000, lokho kuwubude bayo bangempela.
Lolu hlobo lokuphakama lubalulekile ekususweni kwezwe. Abashayeli bezindiza kumele bazi ukuphakama kwabo kwangempela ukuze bagweme izintaba nezinye izithiyo, ikakhulukazi ngesikhathi ukusuka kanye nokufika, noma ukundiza kwezinga eliphansi. Ukunemba kokuphakama kwendiza kubalulekile lapha.
I-Pressure Altitude
Ukuphakama kwengcindezi kubalwa kusetshenziswa ukulungiselelwa kokucindezela okujwayelekile okungu-29.92 amayintshi we-mercury (Hg). Ayinaki izimo zezulu zendawo futhi isetshenziswa lapho izindiza zindiza ezindaweni eziphakeme.
Lolu hlobo lokuphakama lubalulekile ukuphathwa kwethrafikhi yezindiza. Iqinisekisa ukuthi zonke izindiza zisebenza ngamaleveli endiza angaguquki, ngaphandle kokuhlukahluka kwezimo zomoya. Abashayeli bezindiza bathembele ekuphakameni kwengcindezi ukuze bahlale bephephile futhi behlelekile esibhakabhakeni.
Ukuminyana Altitude
I-Density altitude isho ukuthi indiza “izwakala” iphakeme kangakanani sengathi indiza, ngokusekelwe ekuminyaneni komoya. Lokhu kuthonywa izinga lokushisa, umswakama, nokucindezela.
Uma ukuphakama kokuminyana kuphezulu—njengasezindaweni ezishisayo noma eziphakeme—ukusebenza kwendiza kuyaphazamiseka. Abashayeli bezindiza kudingeka baziphendulele ngalokhu ngesikhathi sokusuka nokuhlalisa ukuze baqinisekise ukuthi indiza isebenza ngendlela elindelekile. Kungenye ukucatshangelwa okubalulekile ekuphakameni kwezindiza.
I-Absolute Altitude
Ukuphakama okuphelele kukala ibanga phakathi kwendiza nomhlabathi ongezansi. Kuphinde kubizwe ngokuthi “ngaphezulu kwezinga eliphansi” (AGL). Ngokungafani nokuphakama kweqiniso, kubonisa ukuthi indiza ikude kangakanani ukusuka phezulu.
Lolu hlobo lubaluleke kakhulu ngesikhathi sokundiza kwezinga eliphansi, ukusuka, kanye nokufika. Abashayeli bezindiza basebenzisa ukuphakama okuphelele ukuze bagweme izithiyo futhi bagcine indawo ephephile. Kungesinye sezilinganiso ezisebenzisekayo kakhulu zokuphakama kwendiza ekusebenzeni kwansuku zonke.
I-True Altitude vs. I-Altitude Ekhonjisiwe: Umehluko Oyinhloko
Esigabeni sokugcina, sihlole izinhlobo zokuphakama kwendiza, futhi kuyacaca ukuthi zonke zisebenzisa izinjongo ezihlukile. Phakathi kwazo, ukuphakama kweqiniso kanye nokuphakama okubonisiwe yimibono emibili ebalulekile umshayeli wendiza okufanele ayiqonde.
Nakuba zingase zizwakale zifana, ukuhluka kwazo kunomthelela ekuhambeni, ukucaciswa kwendawo, kanye nokuphepha kukonke. Ngezansi kunomehluko oyisihluthulelo oyisithupha phakathi kokuphakama kweqiniso nokuphakama okubonisiwe, okuchazwe ngokuningiliziwe.
Incazelo kanye Nesilinganiso
Ukuphakama kweqiniso ukuphakama kwendiza kwangempela ngaphezu kwezinga lolwandle (MSL). Isilinganiso esinembile esibonisa ukuthi indiza iphakeme kangakanani uma iqhathaniswa nolwandle.
Ukuphakama okubonisiwe, nokho, yilokho okubonisa i-altimeter. Isekelwe kungcindezi ye-barometric, elungiswa abashayeli bezindiza ukuze ibonise izimo zamanje zomkhathi. Nakuba i-altitude yangempela iphelele, ukuphakama okubonisiwe kuncike ezilungiselelweni zokucindezela.
Iphoyinti Lereferensi
Ukuphakama kweqiniso kuhlala kusebenzisa izinga lolwandle njengesisekelo salo. Lokhu kuyenza ibe yisilinganiso esinqunyiwe nesomhlaba wonke esingaguquki ngaphandle kwezimo.
Ukuphakama okubonisiwe, ngakolunye uhlangothi, kubhekisela ekucindezelekeni komkhathi endaweni ethile noma ukulungiselelwa okujwayelekile okungu-29.92 amayintshi we-mercury (Hg) kumaleveli endiza aphezulu. Lokhu kuyenza iguquguquke kakhulu, njengoba incike ekulungisweni kwangaphandle.
Ukunemba Nokwethenjelwa
Ukuphakama kwangempela kunembe kakhulu ngoba kunikeza ukuphakama kwangempela ngaphezu kwezinga lolwandle. Abashayeli bezindiza bathembele kuyo ukubala ukuvunyelwa kwendawo futhi baqinisekise ukuzulazula okuphephile phezu kwezithiyo.
Ukuphakama okubonisiwe, nakuba kuwusizo, akuthembeki kangako ngaphansi kwezinguquko ezidlulele zomkhathi. Inganikeza ukufundwa okungalungile uma i-altimeter ingalungiswanga kahle, ikakhulukazi ezimweni zezulu ezihlukahlukayo.
Sebenzisa Emisebenzini Yezindiza
Ukuphakama kweqiniso kusetshenziselwa ngokuyinhloko ukususa indawo. Abashayeli bezindiza bayayisebenzisa ukuze baqinisekise ukuthi indiza yabo igcina ibanga eliphephile ezintabeni, emagqumeni, nakwezinye izithiyo. Kubaluleke kakhulu ngesikhathi sokusondela, ukusuka, kanye nokufika.
Ukuphakama okubonisiwe, nokho, kusetshenziselwa ukugcina amazinga endiza endaweni yomoya elawulwayo. Kuyasiza izilawuli zethrafikhi yezindiza yabela ukuphakama ezindizeni ezihlukahlukene, ezigcina zihlukene ukuze ziphephe.
Umthelela Wezimo Ze-Atmospheric
Ukuphakama kweqiniso akuthintwa izimo zezulu. Inani layo lihlala lingashintshile kungakhathaliseki ukuthi izinga lokushisa noma ukucindezela liyashintsha, okulenza lithembeke ekuzulazuleni kwesikhathi eside.
Ukuphakama okubonisiwe, nokho, kuyashintsha nezimo zomkhathi. Abashayeli bezindiza kufanele balungise njalo i-altimeter ukuze ihambisane nokucindezela kwamanje kwe-barometric ukuze bagcine ukufundwa okunembile.
Ukubaluleka Ekuphepheni Kwezindiza
Ukuphakama kweqiniso kuqinisekisa ukukhululeka kwezwe, okukwenza kubaluleke ukugwema izithiyo nokuqinisekisa ukuphepha ngesikhathi sokundiza kwezinga eliphansi. Ngaphandle kokuphakama kweqiniso, abashayeli bezindiza bazifaka engozini yokundiza eduze nomhlabathi noma ezinye izingozi.
Ukuphakama okubonisiwe kudlala indima ehlukile kwezokuphepha. Iqinisekisa ukuthi izindiza zigcina amazinga azo endiza eziwabelwe, zivimbela ukushayisana komoya. Zombili izilinganiso zibalulekile, kodwa zisebenzisa izici ezihlukene zokuphepha kwezindiza.
Ukuqonda ukuphakama kweqiniso uma kuqhathaniswa nokuphakama okubonisiwe kubalulekile kunoma yimuphi umshayeli. Lezi zilinganiso ezimbili zisebenza ndawonye ukuze kugcinwe izindiza ziphephile, zisebenza kahle, futhi zihlangene kahle. Abashayeli bezindiza kufanele bazi ukuthi bangazisebenzisa nini futhi kanjani ukuze baqinisekise ukuthi yonke indiza isebenza ngaphandle kwephutha.
I-Altitude ku-Aviation: Ukuthi I-Altitude Kuyithinta Kanjani Indiza
Ukuphakama kudlala indima ebalulekile kwezokundiza. Akugcini nje ngokunquma ukuthi indiza indiza iphakeme kangakanani—kuthonya ukusebenza kahle kwendiza, ukunethezeka kwabagibeli, ngisho nezinselele abashayeli bamabhanoyi ababhekana nazo ngesimo sezulu kanye omawala. Ake sihlole ukuthi i-altitude iyithinta kanjani indiza kulezi zindawo.
Ukusebenza Kwezindiza
Ukuphakama kwendiza kuthinta kakhulu ukusebenza kwendiza. Ezindaweni eziphakeme, umoya uba mncane, onciphisa ukuhudula. Lokhu kuthuthukisa ukusebenza kahle kukaphethiloli, okwenza kube lula ngezindiza ukuthi zihambe amabanga amade ngophethiloli omncane.
Kodwa-ke, umoya omncane futhi uthinta ukusebenza kwenjini. Izinjini zidinga inani elithile lomoya-mpilo ukuze zisebenze kahle. Ezindaweni eziphakeme, ezinamaleveli komoyampilo aphansi, izinjini zingaphelelwa amandla ngaphandle uma ziklanyelwe ukuphatha lezo zimo.
I-Altitude iphinde inqume ukusuka kanye namabanga okufika. Ezimweni eziphakeme kakhulu zokuphakama, njengasezikhumulweni zezindiza ezishisayo noma eziphakeme kakhulu, izindiza zidinga imizila yezindiza ende ukuze zithole ukuphakama. Lokhu kwenza ukuqonda ukuphakama kwendiza kubaluleke kakhulu ekusebenzeni okuphephile.
Induduzo yabagibeli
Ukuphakama akuthinti nje indiza; kuthinta nabantu abasemkhunjini. Ezindaweni eziphakeme, umfutho womoya ongaphandle kwendiza uphansi kakhulu kunezinga lolwandle. Kungakho amakhebhini ecindezelwa ukuze alingise indawo ephakeme ephansi, agcine abagibeli benethezekile futhi bephephile.
Ngaphandle kokucindezela okufanele, abagibeli bangathola ukugula kwe-altitude, ukukhathala, noma ukuphelelwa umoya. Ukugcina i-altitude ye-cabin enethezekile kuqinisekisa inhlalakahle yabo.
Ukuphakama kuphinde kuthinte amazinga omsindo nokudlidliza. Lapho uhamba ngomkhumbi, umoya omncane unciphisa umsindo wangaphandle, udale umuzwa wokundiza othule futhi oshelelayo. Ukuqonda ukuthi i-altitude iyithinta kanjani indiza kusiza izinkampani zezindiza zibeke phambili ukunethezeka kwabagibeli.
Amaphethini Wesimo Sezulu Neziyaluyalu
I-Altitude inquma uhlobo lokuhlangana kwabashayeli bezindiza. Ngokwesibonelo, ezindaweni eziphakeme, izindiza zingagwema iziphepho nokumboza kwamafu amakhulu, njengoba izimo eziningi zesimo sezulu zenzeka ezindaweni eziphansi zomkhathi.
Kodwa-ke, ukuphakama okuphezulu kuza nezinselelo zabo, njengesiyaluyalu somoya ocacile. Lolu hlobo lwesiyaluyalu alubonakali ku-radar futhi lungenzeka esibhakabhakeni esicwathile. Abashayeli bezindiza bathembele olwazini lwabo lokuphakama kwendiza ukuze balindele futhi banciphise lezi zimo.
Amathuluzi Nezinsimbi Zokukala Ukuphakama Kwezindiza
Ukukalwa kobude obunembile kubalulekile kuyo yonke indiza. Abashayeli bezindiza bathembele kumathuluzi namathuluzi amaningana ukuze banqume ukuphakama nokuqinisekisa ukusebenza okuphephile.
Ama-altimeters
The i-altimeter iyithuluzi eliyinhloko elisetshenziswa ukukala ukuphakama. Isebenza ngokuthola izinguquko kungcindezi yasemkhathini bese iwaguqulela ekufundweni kwe-altitude. Abashayeli bezindiza balungisa i-altimeter ukuze ifane nengcindezi yamanje ye-barometric endaweni yabo, baqinisekise ukufundwa okunembile.
Ama-altimeters abalulekile ekugcineni amazinga endiza, ukugwema isimo sezwe, nokuqinisekisa ukwehlukana phakathi kwezindiza. Ngaphandle kwazo, ukuhamba esibhakabhakeni bekungeke kwenzeke.
I-GPS-based Altitude Measurement yesimanje
Kwethulwe intuthuko kwezobuchwepheshe Amasistimu we-altitude asekelwe ku-GPS. Lawa mathuluzi asebenzisa idatha yesathelayithi ukuze abale indawo nokuphakama kwendiza ngokunemba okuyisimangaliso.
Amasistimu e-GPS ahlinzeka ngosekelo olwengeziwe, ikakhulukazi ezindaweni ezinokubonakala okuphansi noma izindawo eziyinselele. Zihambisana nama-altimeters endabuko, zinikeza abashayeli bezindiza umbono obanzi wokuphakama kwabo endizeni.
Izinselelo Ezihlobene Nokuphakama Kwezindiza
Ukuphakama kwendiza akukona nje ukundiza phezulu. Imayelana nokuzulazula kwezithiyo, ukuphatha ukusebenza, nokuhlala uphephile. Kodwa ukuphakama kuhambisana nezinselelo ezidinga ukunemba nobungcweti. Asiwahlephule.
Amaphutha Ekufundweni Kwe-Altimeter
Ama-altimeters awakhulumi iqiniso ngaso sonke isikhathi. Ukushintsha kwesimo sezulu noma izilungiselelo ezingalungile zingaholela ekufundweni kokuphakama okungamanga.
Lokhu kwenzeka lapho ingcindezi ye-barometric ishintsha ngokushesha, njengalapho kuneziphepho, noma lapho abashayeli bezindiza bekhohlwa ukulungisa i-altimeter ukuze ihambisane nokucindezela kwendawo. Iphutha elincane lingaholela ekundizeni phansi noma phezulu kakhulu, okubeka indiza engozini.
Abashayeli bezindiza baqeqeshelwe ukulungisa kabusha ama-altimeters abo njalo. Futhi bathembele kumathuluzi okulondoloza ukuze bahlole ukufundwa futhi baqinisekise ukuthi bayazi indawo yabo yangempela.
Izimo Zokuphakama Okuphezulu Kokuminyana
Ukundiza ezindaweni eziphakeme ezindaweni ezishisayo noma eziswakeme akulula. Umoya uya uba mncane, wehlise ukuphakama namandla enjini.
Izindiza zidinga imizila yezindiza emide ukuze zisuke futhi zihlale kulezi zimo. Abashayeli bezindiza kufanele futhi behlise isisindo, njengokukhawulela abagibeli noma impahla, ukuze baqinisekise ukuthi indiza ingasuka ngokuphepha.
Isibonelo, izikhumulo zezindiza ezisezindaweni ezinezintaba, njenge-Denver, zivame ukuba nezimo eziphakeme zokuminyana. Ukundiza lapha kudinga ukuhlela ngokucophelela nokubala okunembile.
Imiphumela kuPhysiology Yomuntu
Abantu abadalelwe ukuphakama okuphezulu. Umfutho womoya uyehla, kanjalo nomoya-mpilo uyehla. Ngaphandle kwezinyathelo zokuphepha ezifanele, lokhu kungaholela ekubeni nesiyezi, ukukhathala, noma i-hypoxia.
Ukucindezela kwekhabethe kusiza ukuvimbela lezi zinkinga ngokugcina indawo ephephile, ephefumulayo. Kodwa uma uhlelo luhluleka, abagibeli nabasebenzi kufanele bathembele kumoya-mpilo owengeziwe.
Abashayeli bezindiza baqeqeshelwe ukubona izimpawu zokuqala ze-hypoxia futhi bathathe isinyathelo ngokushesha. Ukwehlela endaweni ephephile kungaba umehluko phakathi kokuphila nokufa.
I-Trbulence Yokuzulazula
Isiyaluyalu siwumngane womshayeli wendiza njalo, ikakhulukazi ezindaweni eziphakeme. Isiyaluyalu somoya ohlanzekile yisona esiyinselele kakhulu—akubonakali futhi akuveli ku-radar.
Abashayeli bezindiza bathembele emibikweni yesimo sezulu nasekuqeqeshweni kwabo ukuze bagweme izindawo ezineziyaluyalu. Uma ingenakugwemeka, balungisa isivinini sendiza ukuze uhambo luhambe kahle kubagibeli.
Ukusebenza Kwenjini Encishisiwe
Izinjini zisebenza kahle emoyeni. Kodwa njengoba ukuphakama kukhula, umoya uya uba mncane, futhi izinjini zilahlekelwa ukusebenza kahle.
Ezinjinini ze-piston, abashayeli bezindiza kufanele balungise ingxube ye-fuel-air ukuze balondoloze ukusebenza. Izinjini zamajethi nazo zidinga ukugadwa njalo ukuze kuqinisekiswe ukuthi zikhiqiza amandla anele ngenkathi zonga uphethiloli.
I-Altitude ithinta ngokuqondile indlela izinjini ezisebenza ngayo, okwenza lokhu kugxile kakhulu ekusebenzeni kwendiza.
Imikhawulo Yezindiza Emazingeni Aphakeme Kakhulu
Yonke indiza inemikhawulo yayo. Ukundiza phezulu kakhulu kunciphisa ukulawula, kwandisa isivinini, futhi kubeka ingcindezi endizeni.
Abashayeli bezindiza bayalwazi uphahla lwendiza futhi baqinisekisa ukuthi abaludluli. Ukuhlala ngaphakathi kwemingcele yokuphakama ephephile kubalulekile ukuze ugweme izingozi ezingadingekile.
Ukuphakama kwendiza akukona nje izinombolo. Imayelana nokunqoba izinselele, ukuqonda ubungozi, nokuqinisekisa ukuphepha kuwo wonke amazinga.
Isiphetho
Ukuphakama kwendiza akuwona nje imininingwane yobuchwepheshe—kuyisisekelo sokundiza okuphephile nokusebenza kahle. Kusukela ekuqondeni izinhlobo ezihlukene zokuphakama kuya ezinseleleni zokuzulazula ezifana nesiyaluyalu nezimo zokuminyana okuphezulu, ukuphakama kwe-mastering kubalulekile kuwo wonke umshayeli wendiza.
Kubathandi bezokundiza, ukufunda ngokuphakama kunikeza ukwazisa okujulile kwalokho okwenzeka ngaphezu kwamafu. Igqamisa ubunkimbinkimbi nokunemba okudingekayo ukuze kugcinwe izindiza zibushelelezi futhi abagibeli baphephile.
Kodwa lokhu kumane kuyisiqephu esisodwa sendida yezindiza. Kuningi kakhulu ongakuhlola, kusukela kumasistimu okuzulazula kuye emithelelaneni yesimo sezulu nangale kwalokho. Noma ngabe ungumshayeli wendiza, ungumfundi, noma ufuna ukwazi nje, qhubeka ungene emanzini kule miqondo.
Isibhakabhaka sikhulu, futhi kunokuningi okufanele sikufunde.
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