Isingeniso ku-Pitot Tube
Ishubhu le-pitot iyithuluzi elilula kodwa elibalulekile elisetshenziselwa ukukala isivinini sendiza uma kuqhathaniswa nomoya oyizungezile. Naphezu kokubonakala kwawo kulula, lo mshini wobuhlakani ubulokhu uyingxenye ebalulekile yendiza iminyaka engaphezu kwekhulu. Ngokuzwa umehluko phakathi komfutho womoya omile kanye nomfutho ophakeme obangelwa ukuya phambili kwendiza, amashubhu e-pitot anikeza ukufundwa kwesivinini somoya okunembile abashayeli bezindiza abathembele kukho ukuze basebenze ngokuphephile.
Umsuka weshubhu ungalandelelwa emuva ekuqaleni kwekhulu le-18 lapho u-Henri Pitot, unjiniyela waseFrance, eqala ukuthuthukisa lo mqondo. Nakuba ekuqaleni yayisetshenziselwa ukulinganisa ukugeleza koketshezi, ukusetshenziswa kwayo endizeni kwashintsha kakhulu imboni, okwenza abashayeli bezindiza bakwazi ukuqapha ngokunembile isivinini sabo somoya - isici esibalulekile ekulawuleni ukusebenza kwendiza, ikakhulukazi phakathi nokusuka nokuhlalisa. Ngokuhamba kwesikhathi, ukuthuthuka kwezobuchwepheshe kuye kwaholela ekwakhiweni kweshubhu le-pitot eliyinkimbinkimbi, kodwa isimiso esiyisisekelo asishintshile, ubufakazi bokuhlakanipha okuhlala njalo kwalokhu kusungulwa okulula kodwa okuphawulekayo.
Isimiso Esiyisisekelo Ngemva Kokubonayo
Ukusebenza kweshubhu kusekelwe esimisweni esiqondile kodwa esihlakaniphile: sikala umehluko phakathi komfutho womoya omile ozungeze indiza kanye nomfutho ophakeme obangelwa ukuya phambili kwendiza. Lo mehluko wengcindezi uphethe isihluthulelo sokunquma ngokunembile isivinini somoya sendiza.
Njengoba indiza ihamba emoyeni, ibhekana nokuphikiswa kwama-molecule omoya, okuwenza anqwabelane ngaphambi kokuvuleka kweshubhu le-pitot. Lokhu kunqwabelana kwamangqamuzana omoya kubangela ingcindezi ephakeme, eyaziwa ngokuthi i-dynamic pressure. Ngesikhathi esifanayo, umfutho omile, okuwumfutho womoya ozungezile ozungeze indiza, ukalwa ngezimbobo ezimile ezihlukene. Ngokuqhathanisa lezi zimo ezimbili zokucindezela, ishubhu lingakwazi ukubala isivinini sendiza ngokunemba okuphawulekayo, linikeze abashayeli bezindiza ukwaziswa okubalulekile ukuze basebenze ngokuphepha nangempumelelo.
Ngokubala umehluko phakathi kwalezi zingcindezi ezimbili, amashubhu e-pitot angakwazi ukunquma ngokunembile isivinini sendiza yendiza. Lo mbono olula kodwa ohlakaniphile ubulokhu uyinsika yokulinganisa isivinini somoya amashumi eminyaka, unikeza abashayeli bezindiza ulwazi olubalulekile ukuze baqinisekise ukusebenza kwendiza okuphephile nokusebenza kahle.
Iqhaza Le-Pitot Tubes Kwezokundiza
Lawa mashubhu adlala indima ebalulekile endizeni ngokunikeza ukufundwa kwesivinini somoya okunembile, okubalulekile ezicini ezihlukahlukene zokusebenza kwendiza. Ezinye izinhlelo zokusebenza ezibalulekile zifaka:
Ukuhlela indiza: Ulwazi lwe-Airspeed lubalulekile ekubaleni ukusetshenziswa kukaphethiloli, izikhathi zendiza, nokunye ukucatshangelwa kokusebenza ngesikhathi sokuhlela ngaphambi kokundiza.
Ukuqapha Ukusebenza Kwendiza: Abashayeli bezindiza bathembele kudatha yesivinini somoya ukuze baqaphe futhi balungise ukusebenza kwendiza phakathi nezigaba ezihlukene zokundiza, njengokusuka, ukukhuphuka, ukuhamba ngomkhumbi, nokufika.
I-Stall Warning Systems: Izindiza eziningi zesimanje zifaka izimiso zokuxwayisa zezitolo ezisebenzisa idatha yeshubhu le-pitot ukuze zixwayise abashayeli bezindiza lapho indiza isondela endaweni yokutontelana, okubavumela ukuthi bathathe izinyathelo zokuyilungisa.
Ukulawulwa Kwethrafikhi Yomoya: Abalawuli bezindiza sebenzisa ulwazi lwesivinini somoya ukuze ulawule futhi uhlanganise ukunyakaza kwezindiza, uqinisekise ukuhlukana okuphephile kanye nokugeleza kwethrafikhi okuphumelelayo.
I-Pitot Tube Ikala kanjani i-Airspeed
Inqubo yokulinganisa isivinini somoya kusetshenziswa ishubhu ihlanganisa izingxenye eziningana ezisebenza ngokuhambisana. Nakhu ukuhlukaniswa kwezakhi ezibalulekile:
I-Pitot Tube: Intokazi ngokwayo iyishubhu elizacile, elibheke phambili elibamba ukucindezela komoya okuguquguqukayo njengoba indiza ihamba kulo.
Izimbobo Ezimile: Itholakala ku-fuselage yendiza noma izimpiko, izimbobo ezimile zikala umfutho womoya ozungezile ozungeze indiza, zinikeza inani lokucindezela okumile.
Ama-Pressure Transducers: Lezi zixhobo ziguqula umehluko wengcindezi phakathi kweshubhu le-pitot nezimbobo ezimile zibe amasignali kagesi angatolika ngezinsimbi zendiza.
Inkomba ye-Airspeed: Isikhombi sesivinini somoya, esivame ukutholakala kuphaneli yezinsimbi zomshayeli, sibonisa isivinini sendiza ngokutolika amasignali kagesi asuka kuma-transducer okucindezela.
Ngokuqhubeka nokuqapha nokubala umehluko phakathi kwengcindezi eguquguqukayo nemile, la mashubhu ahlinzeka ngolwazi lwesikhathi sangempela sesivinini somoya kubashayeli bezindiza, baqinisekise ukuthi bangenza izinqumo ezinolwazi phakathi nezimo ezihlukahlukene zendiza.
Izinhlobo zama-Pitot Tubes Asetshenziswa Ezindizeni
Nakuba isimiso esiyisisekelo sisafana, amashubhu e-pitot eza ngemiklamo nokuhlelwa okuhlukahlukene ukuze avumelane nezinhlobo zezindiza ezihlukene kanye nezidingo zokusebenza. Nazi ezinye izinhlobo ezivamile zamashubhu e-pitot:
I-Straight Pitot Tube: Lo mklamo olula uqukethe ishubhu eqondile, ebheke phambili ebamba ukucindezela okuguquguqukayo ngokuqondile.
I-Heated Pitot Tube: Ezimweni zezulu ezibandayo, amashubhu e-pitot angavinjelwa ukunqwabelana kweqhwa. Amashubhu ashisayo asebenzisa izinto zokushisisa zikagesi ukuvimbela ukwakheka kweqhwa, ukuqinisekisa ukufundwa kwesivinini somoya okunembile.
I-Pitot-Static Tube: Lo mklamo uhlanganisa ishubhu le-pitot nezimbobo ezimile zibe iyunithi eyodwa, okwenza ukufakwa nokugcinwa kube lula.
Amashubhu e-Pitot amabili: Ezinye izindiza zifaka amashubhu e-pitot angasasebenzi, anamashubhu amabili azimele we-pitot ukuze avikeleke futhi athembeke.
Uhlelo lwe-Flush Air Data Sensing (FADS): Izindiza zesimanje zivame ukusebenzisa amasistimu e-FADS, ahlanganisa ukusebenza kweshubhu le-pitot esikhumbeni sendiza, enciphisa ukudonsa nokuthuthukisa ukusebenza kahle kwe-aerodynamic.
Ukugcinwa Nokuphepha
Ukugcinwa okufanele kanye nezinqubo zokuphepha zibalulekile ekuqinisekiseni ukusebenza okunembile nokuthembekile kwamashubhu e-pitot. Nazi ezinye izinto ezibalulekile ezicatshangelwayo:
Ukuhlola Okuvamile: Amashubhu kufanele ahlolwe njalo ukuze kubhekwe noma yiziphi izithiyo, umonakalo, noma ukugqwala okungase kube nomthelela ekusebenzeni kwawo.
I-Pitot Tube Covers: Uma ingasetshenziswa, kufanele imbozwe ukuze kuvinjelwe udoti, izinambuzane, noma ezinye izinto zangaphandle ukuthi zingangeni futhi zivimbe ishubhu.
Ukuhlolwa Kwesistimu ye-Pitot-Static: Ukuhlolwa ngezikhathi ezithile kwayo yonke isistimu ye-pitot-static, okuhlanganisa amashubhu e-pitot, izimbobo ezimile, nezinsimbi ezihambisanayo, kubalulekile ukuze kukhonjwe futhi kulungiswe noma yiziphi izinkinga ezingaba khona.
I-Redundancy kanye ne-Backup Systems: Izindiza eziningi zesimanje zifaka amasistimu eshubhu le-pitot angasasebenzi noma imishini yokukala isivinini somoya ukuze kuqinisekiswe ukusebenza okuphephile okuqhubekayo uma kwenzeka iphutha le-pitot.
Ngokunamathela ezindleleni ezifanele zokunakekela kanye nezimiso zokuphepha, abashayeli bezindiza nabasebenzi bokunakekela bangakwazi ukunciphisa ubungozi balezi zigameko ezihlobene neshubhu futhi baqinisekise ukunemba nokuthembeka kolwazi lwesivinini somoya.
Izinkinga Ezivamile Nge-Pitot Tubes Ezindizeni
Ngaphandle komklamo wawo oqinile nendima ebalulekile, lawa mashubhu kwesinye isikhathi angahlangabezana nezinkinga ezingaba nomthelela ekusebenzeni kwawo. Ezinye izinkinga ezijwayelekile zihlanganisa:
Uqweqwe: Ezimweni zezulu ezibandayo, ukunqwabelana kweqhwa kumashubhu kungavimbela ukugeleza komoya, okuholela ekufundweni kwesivinini somoya okunganembile noma ukuvaleka ngokuphelele.
Imfucumfucu Yento Yangaphandle (i-FOD): Izinambuzane, uthuli, noma enye imfucumfucu ingase ingene futhi ivimbe amashubhu e-pitot, kubangele izinkomba zesivinini somoya eziyiphutha.
Ukulimala noma Ukugqwala: Ukulimala ngokomzimba noma ukugqwala kwe-pitot tube ngokwayo kungathinta ikhono layo lokulinganisa ngokunembile ingcindezi eguquguqukayo.
Ukuvuza Kusistimu ye-Pitot-Static: Ukuvuza ohlelweni lwe-pitot-static, okuhlanganisa ishubhu noma ukuxhumana, kungaholela ekufundweni kwengcindezi okungalungile kanye nolwazi olungathembekile lwesivinini somoya.
Ukwehluleka Kwezinsimbi: Nakuba kungavamile, ukwehluleka kuma-transducers okucindezela, izinkomba zesivinini somoya, noma ezinye izinsimbi ezihambisanayo zingaholela ekubonisweni kwesivinini somoya okungalungile.
Ukuze kuncishiswe lezi zinkinga, abakhiqizi bezindiza, abaqhubi, nezigungu ezilawulayo basebenzise izindlela ezihlukahlukene zokuvimbela, njengamashubhu e-pitot ashisayo, amasistimu angasasebenzi, kanye nezinqubo zokulungisa eziqinile.
Umlando we-Evolution n Aviation
I-tube tube inomlando ocebile osukela ezinsukwini zokuqala zokundiza. Nakhu okufingqiwe kokuvela kwayo:
Amaphayona Okuqala: Umqondo wokulinganisa ingcindezi eguquguqukayo yokunquma isivinini somoya wahlongozwa okokuqala ngunjiniyela waseFrance u-Henri Pitot ekuqaleni kwekhulu le-18. Umsebenzi wakhe wabeka isisekelo sokuthuthukiswa kwe-pitot tube.
Izinhlelo zokusebenza ze-Early Aviation: Njengoba ubuchwepheshe bezindiza buthuthuka ngasekupheleni kwekhulu le-19 nasekuqaleni kwekhulu lama-20, zashintshwa ukuze zisetshenziswe ezindizeni, zinikeza ulwazi olubalulekile lwesivinini kubashayeli bezindiza.
IMpi Yezwe II nangale kwalokho: Phakathi neMpi Yezwe II, isidingo sokulinganisa isivinini somoya esinembile siholele ekuthuthukisweni okwengeziwe nasekuthuthukisweni kokwakhiwa kwamashubhu nokukhiqiza.
Intuthuko Yesimanje: Ngokufika kobuchwepheshe besimanje bezindiza, amashubhu e-pitot athuthukile ukuze ahlanganise izici ezifana nezinto zokushisisa, amadizayini afakwe emanzini, kanye nokuhlanganiswa namasistimu ekhompyutha edatha yomoya ethuthukisiwe.
Ukuthuthukiswa Kwekusasa: Njengoba ezondiza ziqhubeka nokuphusha imingcele yokuqamba izinto ezintsha, amashubhu e-pitot angase athuthuke, njengezinto ezithuthukisiwe, imiklamo ethuthukisiwe ye-aerodynamic, kanye nokuhlanganiswa nobuchwepheshe obusafufusa njengezimoto zasemoyeni ezingenamuntu (ama-UAV) nezixazululo zokuhamba komoya wasemadolobheni.
Kuwo wonke umlando wayo, ishubhu le-pitot liye lahlala liyingxenye ebalulekile kwezokundiza, lishintsha njalo ukuze lihlangabezane nezidingo ezishintshayo kanye nezidingo zemboni.
Ukuqhathanisa namanye Amadivayisi Wokulinganisa I-Airspeed
Nakuba la mashubhu kungamadivayisi okulinganisa isivinini somoya asetshenziswa kakhulu kwezokundiza, akuzona kuphela inketho etholakalayo. Nakhu ukuqhathanisa okufushane nezinye izindlela:
I-Doppler Radar: Amasistimu erada e-Doppler akala ukushintshwa kwemvamisa kwamaza omsakazo abonisiwe ukuze anqume isivinini esiphansi sendiza kanye nesivinini somoya. Lezi zinhlelo zivame ukusetshenziswa ezinhlelweni zezempi nezocwaningo.
Izinzwa ze-Laser Airspeed: Ezinye izindiza zesimanje zisebenzisa izinzwa ze-laser-based airspeed ezikala isikhathi sokundiza kwama-laser pulses avela kuma-molecule omoya ukuze abale isivinini somoya.
I-Inertial Navigation Systems (INS): Amasistimu e-INS asebenzisa ama-accelerometer nama-gyroscopes ukuze alandelele indawo yendiza, isivinini, nesimo sengqondo, esingasetshenziswa ukulinganisa isivinini somoya ngokungaqondile.
I-Global Navigation Satellite Systems (GNSS): I-GNSS, njenge-GPS, inganikeza ulwazi lwesivinini esiphansi, olungahlanganiswa nedatha yomoya ukuze kulinganiswe isivinini somoya.
Nakuba lezi zindlela ezihlukile zinikeza izinzuzo eziyingqayizivele namandla, Lawa mashubhu ahlala eyisixazululo esisetshenziswa kakhulu nesithembekile sokulinganisa isivinini somoya ezindizeni eziningi ngenxa yobulula, ukunemba, kanye nokusebenza kahle kwezindleko.
Isiphetho
I-pitot tube, idivayisi ebonakala ilula, ibambe iqhaza elibalulekile ekuthuthukisweni kwezindiza. Ikhono layo lokulinganisa ngokunembile isivinini somoya libe nesandla ekuqinisekiseni ukuphepha nokusebenza kahle kwezindiza emhlabeni wonke. Kusukela ekuqaleni kwayo okuphansi kuya ekuphindaphindeni kwayo kwesimanje, ishubhu le-pitot liyaqhubeka nokuba yingxenye ebalulekile ku-cockpit.
Njengoba ubuchwepheshe bezindiza buthuthuka, ukubaluleka kweshubhu kuhlala kungancipha. Ukuguquguquka kwayo, ukuthembeka, kanye nerekhodi elifakazelwe liyenza iqabane elithembekile kubashayeli bezindiza kanye nezingcweti zezindiza ngokufanayo. Nakuba ezinye izindlela zokulinganisa isivinini somoya ziqhubeka nokuvela, ifa elihlala njalo leshubhu le-pitot lisebenza njengobufakazi bokubaluleka kwalo okuyisisekelo emhlabeni oguquguqukayo wezokundiza.
Ukuze ufunde kabanzi nezinye izinto ezibalulekile zezindiza, cabanga ukubhalisa I-Florida Flyers Flight Academy Isifundo se-inthanethi esibanzi, “Izinhlelo Zezindiza Eziyingcweti.” Lolu hlelo olujulile luhlanganisa izihloko eziningi, kusukela i-aerodynamics ekuhambeni, ukuqinisekisa ukuthi uthola ukuqonda okuphelele kwezinhlelo eziyinkimbinkimbi ezigcina izindiza zindiza ngokuphepha esibhakabhakeni.
Xhumana nethimba le-Florida Flyers Flight Academy namuhla ku (904) 209-3510 ukuze ufunde kabanzi mayelana ne-Private Pilot Ground School Course.
