Isingeniso Sezinjini Zezindiza
Kunoma ubani obambe iqhaza endimeni yezokundiza noma omane ethatheka ngomshini wokundiza, ingxoxo yezinjini zezindiza imaphakathi. Lezi zitshalo zikagesi ziyinhliziyo yanoma iyiphi indiza, eziguqula uphethiloli ube ukuphosa, futhi ekugcineni yenze izindiza zikwazi ukumelana namandla adonsela phansi. Ziza ngomumo nosayizi abahlukahlukene, ngayinye ifanele izinhlobo ezithile zezindiza nemishini yendiza. Ukuqonda ubunkimbinkimbi bezinjini zezindiza akwanelisi nje kuphela ilukuluku kodwa kujulisa ukwazisa komuntu ngezimangaliso zobunjiniyela besimanje.
Ukuvela kwalezi zinjini kukhombisa umlando wendiza uqobo. Kusukela ezinsukwini zakuqala zezinjini ezilula kodwa ezisebenzayo zezelamani zakwa-Wright kuya kumayunithi wamandla asezingeni eliphezulu amajeli esimanje, uhambo belude futhi luphawulwa ngokuqamba okusha okumangalisayo. Izinjini zanamuhla ziwumphumela wentuthuko engaphezu kwekhulu, futhi ukuphindaphinda ngakunye kuthuthukiswa ekusebenzeni kahle, amandla, nokuthembeka kwabanduleli bayo.
Kulo mhlahlandlela obanzi, sizohlola izinhlobo ezinhlanu eziyinhloko zezinjini zezindiza eziqhubekisele phambili ukuhamba kwezindiza kusukela ekuqaleni kwazo okuphansi kuya ekuphakameni kwazo kwamanje. Uhlobo ngalunye lunezici ezihlukile nezidingo zokusebenza eziwulwazi olubalulekile kunoma yimuphi umshayeli wendiza, unjiniyela wasemkhathini, noma umthandi wendiza.
Ukubaluleka kokuqonda Izinjini Zezindiza kubashayeli bezindiza
Kubashayeli bezindiza, ukuyiqonda kahle injini yendiza kubaluleke njengomatilosi owazi ubunkimbinkimbi bomkhumbi wabo. Kudlula ulwazi lobuchwepheshe nje; kuyindaba yokuphepha, ukusebenza kahle, kanye nokusebenza. Umshayeli owazi kahle ama-nuances enjini yendiza yakhe angenza izinqumo ezinolwazi, ikakhulukazi lapho ephendula izimo ezingavamile noma izimo eziphuthumayo. Ulwazi olunjalo lubanika amandla okusebenzisa amakhono enjini ngokugcwele kuyilapho begcina imingcele yokuphepha yendiza.
Ngaphezu kwalokho, ukuqonda kwezinjini zezindiza kudlulela nasekulungiseleleni ukundiza. Abashayeli bezindiza kumele bakwazi ukuhlola isimo senjini ngesikhathi amasheke ngaphambi kokundiza, qonda amapharamitha okusebenza ezigaba ezihlukene zendiza, futhi ulindele ukuthi izimo zemvelo zingathinta kanjani ukusebenza kwenjini. Lobu buchwepheshe buqinisekisa ukuthi yonke indiza iqhutshwa ngezinga eliphezulu kakhulu lobuchwepheshe kanye nokuhambisana nezindinganiso zokuphepha.
Ekugcineni, ukujwayelana komshayeli nenjini yendiza yabo kuthonya ukuphila isikhathi eside kwenjini ngokwayo. Ngokusebenza okufanele kanye nokuqapha ngokucophelela amapharamitha enjini, abashayeli bezindiza bangakwazi ukunciphisa ukuguga nokudabuka, banciphise amathuba okuhluleka kwemishini. Le ngxenye yolwazi lwenjini ayiqinisekisi nje kuphela ukuzizwisa okuphephile kwendiza kodwa futhi inikela ekusimameni kwezimali kokusebenza kwendiza ngokunciphisa izindleko zokunakekela kanye nesikhathi sokuphumula.
Izingxenye eziyisisekelo Zenjini Yendiza
Injini yendiza iyinhlanganisela eyinkimbinkimbi yezingxenye ezisebenza ndawonye ukuze zenze i-thrust. Emgogodleni wezinjini eziningi kukhona indawo evuthayo, lapho uguquko lwamandla lusuka kuphethiloli luye emandleni emishini lwenzeka khona. Ezizungeze leli gumbi eliphakathi kunezinhlelo ezihlukahlukene nezingxenye ezisiza le nqubo.
I-intake yilapho injini idonsa umoya, obese ucindezelwa yi-compressor. Izinga lokuminyanisa lithinta ukusebenza kahle okuphelele kwenjini kanye nokuphuma kwamandla. Ngemva kokucindezelwa, umoya ungena ekamelweni elivuthayo, lapho uhlangana khona nophethiloli bese uvutha. Ukwanda okuwumphumela wamagesi kushayela i-turbine, yona enika amandla i-compressor futhi ikhiqize i-thrust.
Ukwengeza, izinjini zifaka isistimu ye-exhaust yokukhipha amagesi avuthayo, isistimu kaphethiloli yokulawula ukunikezwa kukaphethiloli, kanye nesistimu yokuthungela ukuqalisa inqubo yokuvutha. Kukhona futhi nezinhlelo eziningi ezihambisanayo zokuthambisa, ukupholisa, nokulawula injini. Ukuqonda lezi zingxenye kubalulekile ukuze ubambe ukuthi izinjini ezahlukene zisebenza kanjani kanye nemigomo esekelwe ekuklanyweni kwazo.
Izinjini Zezindiza - Uhlobo 1: Izinjini Ze-Piston
Ifa le-Piston Engines
Izinjini ze-piston, ezaziwa nangokuthi izinjini eziphindaphindayo, ziwuhlobo oludala kakhulu lwenjini yendiza futhi zaba nesandla ekunikeni amandla izindiza zokuqala ezilawulwayo. Ukusebenza kwawo kuyafana nokwenjini yemoto, enamapiston aya emuva naphambili ngaphakathi kwamasilinda ukuze aguqule uphethiloli ube amandla emishini. Amandla akhiqizwa ukunyakaza kwama-piston ashayela i-crankshaft, exhunywe ku-propeller, ephushela indiza phambili.
Ukuthembeka nokuba lula kwezinjini ze-piston kumile isikhathi eside. Nakuba zingajwayelekile kakhulu ezindizeni zesimanje, lezi zinjini zisasetshenziswa kabanzi ezindizeni ezijwayelekile, ikakhulukazi ezindizeni ezincane ezinenjini eyodwa. Ukuduma kwazo okuhlala njalo kungabangelwa ukuphumelela kwazo kwezindleko kanye nokusebenziseka kalula kwazo uma kuqhathaniswa nezinhlobo zezinjini eziyinkimbinkimbi.
Izici Zokusebenza Zezinjini Ze-Piston
Izinjini ze-piston ngokuvamile zisebenzisa i-a umjikelezo wemivimbo emine: ukuthatha, ukucindezelwa, amandla, nokukhipha. Ngesikhathi sokushaywa umoya, injini idonsa umoya futhi iwuxube nophethiloli. I-compress stroke ilandela, lapho ingxube icindezelwa, okuholela ekushayeni kwamandla, lapho ukuthungela kwenzeka khona. Ekugcineni, i-exhaust stroke ixosha amagesi omlilo.
Lezi zinjini zaziwa ngokusebenza kwazo ezindaweni eziphakeme kanye nekhono lazo lokukhiqiza amandla aphezulu ngesivinini esiphansi, okuzenza zilungele indiza eshayelwa ngophephela. Kodwa-ke, awasebenzi kahle ezindaweni eziphakeme, lapho umoya omncane onciphisa amandla azo, futhi ukusetshenziswa kwawo kukaphethiloli kuncipha ukuncintisana nezinjini zomoya.
Ikusasa Lezinjini ZePiston Kwezokundiza
Naphezu kweminyaka yazo, izinjini ze-piston ziyaqhubeka nokuvela. Intuthuko yesimanje ezintweni zokwakha nobuchwepheshe iholele ekuthuthukisweni kwezilinganiso zamandla nesisindo, ukusebenza kahle kukaphethiloli, nokuthembeka. Ukuqamba okusha okufana nomjovo kaphethiloli we-elekthronikhi kanye nezinhlelo zokuphatha injini yekhompuyutha kuqhubekisele phambili nokwenza injini ye-piston ibe yesimanje, iqinisekisa indawo yayo kwezokundiza ngekusasa elibonakalayo.
Izinjini Zezindiza - Uhlobo 2: Izinjini ze-Turboprop
Ukuqonda i-Turboprop Aircraft Engines
Izinjini ze-Turboprop ziyi-hybrid, ehlanganisa izici zazo zombili izinjini ze-jet ne-piston. Basebenzisa i-turbine ukushayela uphephela, yingakho igama. Umsebenzi oyisisekelo uhilela ukudonselwa komoya enjinini, kucindezelwe, kuxutshwe nophethiloli, bese kubaswa. Amagesi avelayo ashayela i-turbine exhunywe kuphephela ngebhokisi legiya lokunciphisa, elilungisa isivinini esikhulu sokuzungeza se-turbine sibe isivinini esifanelekile sophephela.
Izinjini ze-Turboprop zaziwa ngokusebenza kahle kwazo ngesivinini esingaphansi kuka-Mach 0.7 futhi zivame ukutholakala ezindizeni zesifunda, ezindizeni ezithwala impahla, nasezindizeni zamasosha. Banikeza ibhalansi phakathi kokusebenza kahle kukaphethiloli kwezinjini ze-piston kanye namakhono ejubane nokuphakama kwezinjini zejethi.
Izinzuzo ze-Turboprop Aircraft Engines
Enye yezinzuzo eziyinhloko zezinjini ze-turboprop ukusebenza kahle kwazo ezimvilophini ezivamile zendiza yendiza edonsa kanzima ukuya emaphakathi. Basebenzisa uphethiloli omncane kunama-turbojet noma ama-turbofan ngesivinini esiphansi nokuphakama, okuhumushela ekongeni kwezindleko kanye nomthelela oncishisiwe wemvelo.
Ama-Turboprops nawo anikezela okuhle kakhulu ukusuka kanye nokufika (STOL) ukusebenza, okubenza bafaneleke ukusebenza kusuka emizileni yezindiza emifushane noma ezindaweni ezimazombezombe. Lesi sici sivumela ukuguquguquka okukhulu ekufinyeleleni izindawo ezikude, okungabaluleka ezinhlotsheni ezithile zemishini yendiza.
Ama-Turboprops kuNdawo Yanamuhla Yezokundiza
Ukusetshenziswa kwezinjini ze-turboprop kusasabalele endizeni yesimanje, ikakhulukazi ezindaweni lapho izici zazo ezihlukile zizuzisa kakhulu. Abakhiqizi bayaqhubeka nokutshala imali ocwaningweni nasekuthuthukisweni ukuthuthukisa ukusebenza nokusebenza kahle kwezinjini ze-turboprop. Ikusasa lama-turboprops lihlala livikelekile njengoba lizivumelanisa nezimfuno zemakethe nokucatshangelwa kwemvelo.
Izinjini Zezindiza - Uhlobo 3: Izinjini ze-Turbojet
Ukukhuphuka kwezinjini ze-Turbojet
Izinjini ze-Turbojet zimelela intuthuko enkulu ekwakhiweni kwenjini yendiza futhi zifana nokusa kwenkathi yendiza. Ku-turbojet, umoya ungena enjinini, ucindezelwe, uxutshwe nophethiloli, bese uvutha. Ukunwetshwa kwamagesi kushayela i-turbine bese ikhishwa ngesivinini esikhulu ngaphandle kwe-exhaust, okudala ukudonsa.
Lolu hlobo lwezinjini zezindiza luhamba phambili ekundizeni kwesivinini esikhulu nokuphezulu, okulwenza lulungele amajethi ezempi nezinye izindiza zezentengiselwano. Idizayini ye-turbojet iyivumela ukuthi ikhiqize ijethi eqhubekayo nenamandla, indiza edonsayo ngesivinini obungacabangeki.
Izici Zokusebenza zezinjini ze-Turbojet
Ama-Turbojets asebenza kahle ekuphakameni ukuphakama lapho umoya umncane khona, njengoba zingancikile ekuminyeneni komoya ukuze ziphushele njengoba zinjalo izinjini ezishayelwa ngophephela. Amakhono abo ejubane eliphezulu nawo abenza bafaneleke indiza ephezulu kakhulu, isizinda lapho bekuyizinjini ezikhethwayo zezindiza zokulwa nezokuhlola.
Kodwa-ke, ama-turbojet awonga uphethiloli kancane ngesivinini esiphansi nokuphakama, okuholele ekwehleni kwawo kwendiza yezentengiselwano ngenxa yemiklamo esebenza kahle kakhulu. Izinga labo lomsindo nokusetshenziswa kukaphethiloli kwenze imboni ifune ezinye izinhlobo zezinjini zezindiza eziningi ezivamile.
Ama-Turbojets Esikhathini Sanamuhla
Nakuba ama-turbojet athathelwe indawo kakhulu izinjini ezithuthuke kakhulu nezisebenza kahle endizeni yezentengiselwano, asenayo indawo yawo endizeni yezempi enesivinini esikhulu nakwezinye izinhlelo zokusebenza ezikhethekile. Ukuthuthukiswa kwezobuchwepheshe kuyaqhubeka nokuthuthukisa ukusebenza kwabo, kodwa indima yabo isikhetheke kakhulu njengoba ezinye izinhlobo zezinjini sezivele zagqama.
Izinjini Zezindiza - Uhlobo 4: Izinjini ze-Turbofan
Ukuvela Kwezinjini Zezindiza Ze-Turbofan
Izinjini zezindiza ze-Turbofan ziyisimangaliso sesimanje sezindiza, ezimele ukuvela kwenjini ye-turbojet. Zifaka ifeni enkulu ngaphambili, engagcini nje ngokufaka isandla ekucindezelekeni komoya enkabeni yenjini kodwa futhi idlula umoya ophakathi nendawo, ikhiqize ukucijiswa okwengeziwe. Lo moya we-bypass, opholile futhi uhamba ngesivinini esincane, uphumela ekwengezeni ukusebenza kahle kukaphethiloli kanye nomsindo oncishisiwe uma kuqhathaniswa nama-turbojets ahlanzekile.
Ama-Turbofan wuhlobo oluvame kakhulu lwezinjini zezindiza ezitholakala ezindizeni zezentengiselwano namuhla ngenxa yokusebenza kwazo okuhle kakhulu ebangeni elibanzi lesivinini nokuphakama. Banikezela ngamakhono esivinini esikhulu sama-turbojets ngenkathi behlinzeka ngokusebenza kahle kukaphethiloli okudingekayo ezindizeni ezinde.
Izici kanye nezinzuzo ze-Turbofan Aircraft Engines
Izinjini zezindiza ze-Turbofan zitholakala ngezilinganiso ezihlukahlukene zokudlula, ezibonisa inani lomoya elidlula umongo wenjini uma liqhathaniswa nenani elidlula kuwo. Ama-turbofan e-high-bypass ngokuvamile asetshenziswa ezindizeni zezentengiselwano futhi ahlinzeka ngomfutho ophezulu osebenzisa uphethiloli ophansi kanye namazinga omsindo. Ama-turbofan e-Low-bypass avame kakhulu ezindizeni zamasosha, lapho ukusebenza kwesivinini esikhulu kubekwa phambili.
Idizayini yezinjini zezindiza ze-turbofan iphinde ivumele izilinganiso ezinkulu ze-thrust-to-weight, into ebalulekile ezindizeni ezinkulu ezidinga ukusunduza okubalulekile ukuze zihambe emoyeni. Ukwengeza, umoya opholile ophuma emoyeni odlulayo uholela ekuvinjweni okungabonakali, okungaba usizo ezindizeni zezempi ezidinga ukugcina iphrofayili ephansi.
Ukubusa Kwezinjini Zezindiza Ze-Turbofan Kwezokundiza
Ukusabalala kwezinjini ze-turbofan esibhakabhakeni sanamuhla kuwubufakazi bokuthi zivumelana nezimo nokusebenza kahle kwazo. Sebephenduke insakavukela umchilo wesidwaba umkhakha wezokundiza kwezentengiselwano, ngokuthuthuka okuqhubekayo ezintweni zokwakha kanye ne-aerodynamics okuholela emiklameni esebenza kahle kakhulu futhi enamandla. Ngaphezu kwalokho, ukucindezela kokundiza okuluhlaza kunabakhiqizi be-turbofan abahlola ubuchwepheshe obusha ukuze baqhubeke nokunciphisa ukukhishwa nomsindo.
Izinjini Zezindiza - Uhlobo 5: Izinjini ze-Turboshaft
Ukuhlola Izinjini Zezindiza ze-Turboshaft
Izinjini zezindiza ze-Turboshaft ziwuhlobo lwenjini ye-gas turbine eklanyelwe ukuletha amandla ku-shaft eshayela enye into ngaphandle kophephela. Lolu hlobo lwenjini luvame ukutholakala ezindizeni ezinophephela emhlane, lapho i-shaft inika amandla ama-rotor blades. Ngokufanayo nezinjini ze-turboprop, ama-turboshaft asebenzisa ijeneretha yegesi ukushayela i-turbine, kodwa esikhundleni sokushayela uphephela, uphephela ophehla umoya udlulisa amandla ngomphini ukuya ezirothweni zendiza enophephela emhlane noma kweminye imishini, njengasezinhlelweni zasolwandle.
Idizayini yabo ivumela izinjini ezihlangene nezingasindi ezihlinzeka ngezilinganiso eziphezulu zamandla nesisindo ezidingekayo indiza esuka mpo kanye nehlala phansi (VTOL).. Izinjini ze-Turboshaft Aircraft ziletha amandla abushelelezi, athembekile futhi ziyakwazi ukusebenza kuzo zonke izimo ezibanzi.
Izinzuzo kanye nokusetshenziswa kwe-Turboshaft Aircraft Engines
Izinjini ze-Turboshaft zithandwa ekwakhiweni kwendiza enophephela emhlane ngenxa yekhono lazo lokukhiqiza amandla aphezulu kuyilapho zigcina isisindo esiphansi uma kuqhathaniswa. Lesi sici sibalulekile ezindizeni ezinophephela emhlane, ezithembele emandleni enjini ukuhambahamba nokuhamba emkhathini onezinhlangothi ezintathu. Ukusabela kwezinjini ze-turboshaft nakho kuyisici esibalulekile, okuvumela ukulawula okunembile phezu kwejubane nama-rotor blades.
Ngaphezu kwezindiza ezinophephela emhlane, izinjini ze-turboshaft zisetshenziswa ezinhlobonhlobo zezicelo lapho kudingeka khona amandla athembekile we-shaft. Angatholakala emathangini, emishinini yokuphehla amandla, ngisho nasezikebheni zasolwandle ezinesivinini esikhulu. Ukuguquguquka kwezinjini ze-turboshaft kuzenza zibe yingxenye ebalulekile emikhakheni eminingi ngale kwezokundiza.
Ikusasa le-Turboshaft Aircraft Engines
Isidingo esiqhubekayo sezinjini ze-turboshaft ezisebenza kahle nezinamandla kuqhuba ukuqamba okusha okuqhubekayo kulo mkhakha. Intuthuko kwezesayensi yezinto ezibonakalayo kanye i-aerodynamics sithembisa ukwandisa ukusebenza kahle kanye nokunciphisa indawo ezungezile yalezi zinjini. Njengoba kuhlolwa ubuchwepheshe obusha obufana nokukhiqiza okungeziwe nezinye izinto zokubasa, izinjini ze-turboshaft cishe zizobona intuthuko ebalulekile eminyakeni ezayo.
Indlela abashayeli bezindiza abasebenzisa ngayo uhlobo ngalunye lweNjini Yezindiza
Abashayeli bezindiza kufanele babe nekhono lokuphatha izici zokusebenza ezihlukile zohlobo ngalunye lwenjini yendiza ukuze bakhulise ukusebenza nokuphepha. Ezinjinini zezindiza ze-piston, lokhu kuhlanganisa ukuqapha amazinga okushisa nezingcindezi zokugwema ukucindezela injini ngokweqile. Abashayeli bezindiza kufanele futhi balawule ukulawulwa kwengxube ukuze baqinisekise isilinganiso esifanele se-fuel-to-air, esihluka ngokuphakama.
Lapho besebenzisa izinjini zezindiza ze-turboprop, abashayeli bezindiza kudingeka baqaphele imikhawulo ye-torque kanye nobudlelwano phakathi kokuphakama kophephela namandla enjini. Kufanele futhi bacabangele izici zokuphatha eziyingqayizivele eziza namandla engeziwe ahlinzekwa yi-turbine.
Ezinjini zezindiza ze-turbojet ne-turbofan, abashayeli bezindiza bagxila ekuphatheni izilungiselelo ze-thrust ukuze bathuthukise isivinini nokushiswa kukaphethiloli. Lezi zinjini zidinga ukuqapha ngokucophelela phakathi nezigaba ezibucayi zendiza, njengokusuka nokufika, ukuze kuqinisekiswe ukuthi zisebenza ngaphakathi kwemingcele ephephile.
Ukusebenza kwenjini ye-Turboshaft ezindizeni ezinophephela emhlane kudinga ukuphathwa kwamandla okunembe ukuze ulawule ukuphakamisa kanye nesivinini se-rotor. Abashayeli bezindiza kufanele babe nekhono lokuhumusha izikali zenjini futhi baphendule ezidingweni ezisheshayo zendiza enophephela emhlane, engahluka ngokushesha ngezinguquko zesisindo, ukuphakama, kanye nezinga lokushisa lomoya.
Amathrendi wesikhathi esizayo ku-Aircraft Engines
Ikusasa lezinjini zezindiza lilolongwa ukuphishekela ukusebenza kahle, ukuncishiswa komthelela kwemvelo, nokusebenza okuthuthukisiwe. Abakhiqizi bahlola uhla lwezinto ezintsha, kusukela ezintweni ezithuthukisiwe ezingamelana namazinga okushisa aphakeme kuya kumasistimu e-hybrid-electric propulsion system ezingase ziguqule indlela izindiza ezisebenza ngayo.
Ucwaningo lwezinye izinto zokubasa, ezifana namafutha endiza aqhubekayo (ama-SAF) kanye ne-hydrogen, nakho kuyisici esibalulekile sekusasa lezinjini zezindiza. Lawa mafutha anamandla okunciphisa kakhulu izinga le-carbon footprint yendiza, ehambisana nemizamo yomhlaba wonke yokulwa nokushintsha kwesimo sezulu.
Ngaphezu kwalokho, ubuchwepheshe bedijithali kanye nobuhlakani bokwenziwa buthola indlela yabo ekwakhiweni nasekusebenzeni kwenjini. Ukugcinwa kokubikezela, okunikwe amandla izinzwa eziyinkimbinkimbi nokuhlaziywa kwedatha, kuthembisa ukwandisa ukuthembeka nokunciphisa isikhathi sokuphumula sezinjini zezindiza.
Isiphetho
Umhlaba wezinjini zezindiza wehlukene njengoba uyinkimbinkimbi, uhlobo ngalunye lufeza injongo eyingqayizivele emkhakheni wezokundiza. Kusukela ezinjinini ze-piston eziqinile ezinikeze amandla ezinsukwini zokuqala zendiza kuya kuma-turbofan athuthukile athwala izigidi zabagibeli emhlabeni wonke, ukuqonda lezi zimangaliso zobunjiniyela kubalulekile kunoma yimuphi umshayeli wendiza noma umthandi wendiza.
Njengoba imboni ibheka ikusasa, ukuvela kwezinjini zezindiza kuzoqhubeka nokuqhutshwa yizimfuneko ezimbili zokusebenza nokusimama. Ngobuhlakani nokuzinikela konjiniyela nososayensi emhlabeni wonke, isahluko esilandelayo endabeni yezinjini zezindiza nakanjani sizojabulisa njengesokugcina.
Xhumana nethimba le-Florida Flyers Flight Academy namuhla ku (904) 209-3510 ukuze ufunde kabanzi mayelana ne-Private Pilot Ground School Course.
