Ama-altimeters ezindiza azisa abashayeli bezindiza ukuthi ziphakeme kanjani. Kuyinto elula futhi eyisisekelo isitsha sokushayela , kodwa ngokuvamile kuvame ukuchazwa ngabashayeli bezindiza- ngezinye izikhathi nemiphumela emibi. Ukuqonda ukuthi i-altimeter yakho yezindiza isebenza kanjani kuyadingeka ukuze ubalekele ngokuphepha. Insimbi ngokwayo ilula, kepha ukusebenza kwayo kuhambisana nezivalo ezimbalwa.
Lesi sihloko sibhekisela ku-altimeters evamile ngokuphambene nezinhlelo ezintsha zekhompyutha ezitholakala ezindizeni ezithuthukisiwe kwezobuchwepheshe .
Ama-altimeters amasha asebenzisa izinzwa eziphezulu zobuchwepheshe ukuthola ukuphakama. I-altitude nayo ingafinyelelwa ngokunembile ngesistimu ye- GPS eqinisekisiwe ye-IFR ebhodini.
Indlela Esebenza ngayo
I-altimeter yendiza evamile isebenza ngokulinganisa ingcindezi yasemkhathini ekuphakameni kwendiza yendiza nokuyiqhathanisa nengcindezi esethiwe. Ukucindezela emoyeni kwehle ngo-inch mercury eyodwa ngenani ngalinye lokuphakama kwamamitha angu-1 000.
Ngaphakathi kwensimbi, i-casing iqoqo lezintambo ezintathu ezingenalutho ezivalwe kodwa ziyakwazi ukwandisa futhi zenze isivumelwano. Lezi zingqimba ezingavumelekile zilinganiselwe ukucindezela kwezinga elwandle elingu-29.92 "i-mercury ngaphakathi. Ukucindezela kwangaphandle kwe-static kunaphansi kwe-29.92" I-Hg (njengamava aphindaphindiwe phezulu) yenza ukuba ama-wafers akhulise kusukela ingcindezi ngaphakathi ngaphakathi kwezingqimba ezivaliwe zikhulu kunaleyo ngaphandle. Ukucindezela okuphezulu kwe-static kubangela ukuthi ama-wafers acindezelwe. Lapho ingcindezi yesitezi ikhula noma iyancipha, uxhumano lwama mechanism luqala inaliti yesimitha ukukhombisa ukuphakama okuhambelana ngezinyawo.
Ukubonakala kwe-altimeters kuyahluka, kepha okujwayelekile kuyayaziwa njengama-altimeter amathathu. Lolu hlobo lwe-altimeter lunemvelaphi efana newashi enezinombolo ezivela ku-zero kuya ku-9 nezinaliti ezintathu ebusweni: Isalana esifushane, esibanzi esibonisa ubude obungamamitha angu-10 000; inaliti encane futhi ende kakhulu ibonisa ukuphakama ngezinyathelo eziyizinkulungwane eziyizinkulungwane, futhi inaliti ende kunazo zonke ibonisa ukuphakama kwamanani ezinyawo eziyi-100.
Ama-altimeters asebekhulile anesinaliti esisodwa esisodwa esivumelanisa kanye ngokuzulayela zonke izinyawo ezingu-1 000 ekuphakameni.
Ama-altimeters amaningi asetshenzisiwe namuhla afaka iwindi le-Kollsman, okuyi-dial eguquguqukayo evumela umshayeli ukuba angene ezindinganisweni zokucindezela zendawo ngendiza yakhe. Ukufaka inani lokucindezela kuWindows Kollsman lishintsha ukuphakama kwengcindezi engekho emthethweni futhi linikeza ukucaciswa okuphakeme kunakho konke.
Izinhlobo ze-Altitudes
I-Altitude ekhonjisiwe: Ukuphakama okuvezwe ku-altimeter lapho ingcindezi isethwe ngendlela efanele kuWindows Kollsman.
I-altitude yeqiniso : ukuphakama ngaphezu kwezinga lolwandle (MSL)
Isilinganiso esiphakeme: Ukuphakama ngaphezu kwenhlabathi (AGL)
I-Altitude Isilinganiso: Ukuphakama okuboniswe ku-altimeter lapho izinga elisezingeni elingu-29.92 "Hg lingena efasiteleni le-Kollsman, noma ukuphakama ngaphezu kwendiza ye-datum evamile. Ukuphakama kwengcindezi isetshenziswa kaningi ekubaleni ukuhlela indiza .
Ukuphakama kwesisindo : Ukuphakama kwengcindezi kulungiselelwe ukushisa okungejwayelekile. Ubuningi bevame ukuchazwa ngokuthi ukuphakama kwezindiza "kuyakuzwa kanjani" ngoba ukuphakama kwamandla kuthinta ukusebenza kwezindiza.
Amaphutha we-Altimeter
Iphutha lesimo : Isikhundla sezindiza ezinama-static sivumela ukuphazamisa ukugeleza komoya ngesikhathi sokuhamba okuthile, izigaba zezindiza nezimo zomoya. Ukuthuthwa komoya okuphazamisekile phezu kwechwethi eliyi-static kungabangela ukufundwa okungalungile ku-altimeter.
Iphutha le-Elasticity : Ngokuhamba kwesikhathi, ukwandiswa nokuphambana kwamacwecwe angenayo e-altimeter kungabangela ukukhathala kwensimbi. Ngezinye izikhathi eyaziwa ngokuthi i-hysteresis, lezi zinguquko ekuqiniseni kwensimbi zingabangela ukungalungi.
Iphutha le-Pilot : Abaqhubi bezindiza kumele basebenzise isilungiselelo se-altimeter esifanele bese befaka kahle efasiteleni le-Kollsman ukuze i-altimeter ifunde kahle. Ukuhluleka ukusetha i-altimeter ngendlela efanele kungabangela amaphutha okuphakama kwamakhulu ezinyawo. Uhlobo lwe-1 "Hg lungabangela ukuphambuka kokuphakama kwezinyawo ezingu-1 000.
Iphutha lobuningi : Ubuningi bomoya buyashintsha kusuka endaweni eyodwa kuya kwesinye, ikakhulukazi ngalezi zinguquko zokushisa. Amaphutha amaningi ahlobene nama-altimeters abonakala ezindizeni ezinde, kodwa futhi kungenzeka ngezindiza ezincane ezibandakanya izinguquko ezibalulekile zokushisa.
Umshayeli wezimoto uzohlala endaweni ephakemeyo ngaphezu komhlaba (njengoba kuboniswe ku-altimeter) kuphela uma izinga lokushisa nokucindezela kokubili lihlala lifanayo. Ukuhamba ngesivinini esiphezulu kuya endaweni engaphansi kwengcindezi ngaphandle kokushintsha i-altimeter kungabangela ukuba indiza ibe ngaphansi kunalindelekile. Futhi ngenxa yokuthi ukuguquguquka kushintsha ngokushisa, ukuhamba okuvela endaweni eshisayo kuya endaweni ebanda ngaphandle kokushintsha ukulungiswa kwe-altimeter kuzokwenza nokuthi indiza ibheke ukuphakama kweqiniso okungezansi kunalindelekile.
Ukuvinjwa kwe-Static Port : Ukuvinjwa kwechwethi eliyi-static kungaholela ekucindezelekeni okugxile ngaphakathi kwe-casing yamakhompiyutha (kodwa ngaphandle kwezingqimba ezingasebenzi), futhi i-altimeter izofisa endaweni ephakeme lapho iboniswa khona ngesikhathi sokuvimba. Ngenxa yokuthi izinguquko zomoya angeke zilinganiselwe, izinaliti ze-altimeter cishe ngeke zihambisane kuze kugcinwe ukuvinjelwa.