Nhanganyaya kune Aeroplane Propellers
Nyika yezvendege inoramba ichishamisa nemichina yayo yakaoma uye kureruka kwakanaka kwesainzi yayo. Pamwoyo wekubhururuka nendege, munhu anogona kazhinji kuwana propeller yendege, chinhu chakakosha chinokonzeresa sunda iyo inofambisa ndege mberi. Iri gwara richaongorora mukati mezvimiro zvezvifambiso zvendege, zvichijekesa basa razvo rakakosha uye kuoma kwekushanda kwavo.
Nhoroondo yezvifambiso zvendege inodzokera kumazuva ekutanga ekufamba nendege, uko mapiyona akadai se Wright hama vakaedza nemapropulsive mechanisms. Kubva ipapo, kushanduka kwemapropeller kwave kwakafanana nekufambira mberi kwehunyanzvi hwendege. Kunyangwe nekukwira kweinjini dzejeti, mapropeller anoramba akakosha mumamiriro mazhinji endege, kunyanya mudiki, piston-injini ndege.
Kunzwisisa mechanics uye dhizaini yemapropeller endege kwakakosha kune chero munhu ane chekuita neindasitiri iyi, vangave vatyairi vendege, mainjiniya, kana vanofarira. Gwaro iri rine chinangwa chekupa muono wakadzama, kuve nechokwadi chekuti vaverengi vanobata izvo zvekutanga uye vanokoshesa sainzi ine nuances inoita kuti zvikamu izvi zvikwanise kufambisa ndege.
Izvo zvakakosha zveAirplane Propellers
Mapropeller endege angaita seakareruka, asi akagadzirwa nehuinjiniya hweunyanzvi. A propeller inonyanya kukosha airfoil, zvakafanana nebapiro, iro kana richitenderedzwa, rinogadzira mutsauko mukumanikidza kwemhepo. Musiyano uyu mukumanikidza unoburitsa kusundidzira, kuendesa ndege mberi.
Imwe neimwe propeller blade yakanyatsogadzirwa kuti ive nechokwadi chekushanda kwakanyanya. Chimiro, saizi, uye kona - kana 'pitch' - yemablades zvinhu zvese zvinotarisisa kuti propeller inogona sei kushandura simba reinjini kuita musuva. Zvishandiso zvinoshandiswa kugadzira mapropeller zvakashanduka nekufamba kwenguva, zvichishanduka kubva pahuni kuenda kusimbi uye zvino kuenda kune zvakaumbwa zvinhu zvinopa simba, kusimba, uye kuderedzwa huremu.
Kuwedzera kune mablades, propeller hub chinhu chakakosha. Inoshanda sepakati pekubatanidza nzvimbo yemashizha uye inonamatira propeller kune injini ye ndege. Iyo hub inofanirwa kumirisana nemasimba anoitwa panguva yekushanda uye inogadzirwa kuti ienderane kune akasiyana kukwira uye kushanda zvinodiwa.
Iyo Sainzi Kuseri Kwendege Propellers
Kushanda kwemapropeller endege kunodzorwa ne aerodynamic nheyo. Injini painotenderedza propeller, blade imwe neimwe inofamba mumhepo uye inoita kuti isimudze, zvakafanana nemabudiro anoita bapiro kusimudza. Uku kusimudza, kwakanangidzirwa munzira yekutenderera, kunoshandura mukusundira nekuda kwekona yakarerekera yemablades.
Mutemo waBernoulli inoita basa rakakosha mukushanda kwepropeller. Inotaura kuti kuwedzera kwekukurumidza kwemvura kunoitika panguva imwe chete nekuderera kwekumanikidza. Sezvo propeller blades inotenderera, inokurumidzisa mhepo, ichiita nzvimbo yakaderera-yakadzika pamberi pepropeller uye nzvimbo yepamusoro-soro shure kwayo. Musiyano wepressure uyu unosundira ndege mberi.
Kushanda kwepropeller kunokanganiswawo nepfungwa yekuti 'angle of attack,' inova kona iri pakati pemutsara wechord weblade nemhepo inowirirana. A blade's angle yekurwisa inofanirwa kuvandudzwa kudzivirira zvisingadiwe aerodynamic mamiriro senge danga, uko kuyerera kwemhepo kunoparadzana kubva kune blade pamusoro uye kunoderedza zvakanyanya kushanda zvakanaka.
Mhando dzeAirplane Propellers
Kusiyana-siyana mukugadzira kunoratidza humbowo hwemapropeller endege, nemhando yega yega yakarongedzwa kune chaiwo mashandisirwo uye maitiro einjini. Fixed-pitch propellers, chimiro chakapfava, ane mablades akaiswa pakona inogara. Izvi zvinojairika mundege dzakareruka nekuda kwekureruka kwadzo uye mari inobudirira.
Variable-pitch propellers, kune rumwe rutivi, inobvumira mutyairi wendege kuti agadzirise kukwirira kweblade kuti ienderane nemamiriro ekubhururuka. Uku kuchinjika kunogona kutungamira mukuvandudzwa kwekuita, kushanda zvakanaka kwemafuta, uye kugona kuchengetedza yakaringana injini RPM pane dzakasiyana siyana mamiriro. Constant-speed propellers, subtype yezvinosiyana-pitch propellers, inogadzirisa pombi kuti irambe ichigara RPM, ichipa zvakanyanya kunyatsoshanda uye kuita mabhenefiti.
Featherable propellers ndeimwe mhando, yakagadzirirwa zvakanyanya kune akawanda-injini ndege. Muchiitiko chekutadza kweinjini, mapropeller aya anogona kugadziridzwa kune chinzvimbo chinoderedza kukweva kweaerodynamic, zvichibatsira kuchengetedza kutonga uye kurebesa nguva yekubhururuka.
Mashandiro Endege MaPropeller Anoshanda
Kushanda kwezvifambiso zvendege symphony yefizikisi nehuinjiniya, kushandura mafambiro ekutenderera kuita mutsetse wekufamba kwekusundira. Mutyairi wendege paanogadzirisa tsinga, injini inopa simba rakawanda, zvichiita kuti propeller itenderere pamwero wepamusoro. Sezvo sipidhi yekutenderera ichiwedzera, manyawi emhepo anowedzerawo kufamba, zvichikonzera kusunda kukuru.
Kune zvinochinjika-pitch uye zvinoramba zvichimhanya, mutyairi wendege kana gavhuna otomatiki anogona kugadzirisa kukwirira kweblade. Nekuwedzera kukwirira, mablades anosangana nemhepo pakona yakakura, iyo inogona kuwedzera kupinza asi inoda simba reinjini rakawanda. Sezvineiwo, kudzikisira kukwirira kunoderedza kona uye mutoro painjini, iyo inogona kubatsira panguva yakaderera magetsi senge kudzika.
Kushanda kwemhepo kwepropeller kunowanzoyerwa nereshiyo yayo yepamberi, inova reshiyo yekumhanya kwendege kuenda kumberi kwepepuru. Vagadziri vanovavarira kukwidziridza chiyero ichi kuti chienderane nemaitiro ekuita anodiwa kune imwe ndege.
Kukosha KwemaPropeller Endege Mundege
Mapropeller endege anopfuura nekungotenderera; iwo akakosha kune akati wandei maitiro ekutiza. Pakusimuka, vanopa simba rinodiwa kuti vakunde inertia uye kudhonza, zvichiita kuti ndege isvike pakumhanya kunodiwa pakusimuka. Mukufamba nendege, mapropeller anofanirwa kuendesa kuita kwakafanana kuchengetedza kukwira uye airspeed.
Kuchinja-chinja kwezvifambiso zvinoonekwawo mukubatsira kwazvo mukufambiswa kwendege. Nokuchinja mazinga ekurovera uye, kana ari mapropeller anochinja-chinja, kugadzirisa makona eblade, vatyairi vendege vanogona kudzora kukwira kwendege, kudzika, uye kumhanya nemazvo. Uku kuchinjika kunonyanya kukosha panguva dzezvikamu zvakaita sekumhara, uko kutonga pamusoro pekumhanya uye kudzika kwakakosha.
Mune ndege dzakawanda-injini, mapropeller anobatsira kuchengetedza. Kana injini ikatadza kushanda, kugona kufefetera muinjini isingashande kunogona kuve chinhu chinoponesa hupenyu. Iyo inoderedza kukweva uye inobvumira kudzora zviri nani sezvo ndege inoyerwa kune yakachengeteka kumhara ine yasara operative injini.
Kunzwisisa Mechanics eAirplane Propellers
Kudzamisa mukati memakanika ezvifambiso zvendege zvinoratidzira kupindirana kwakaoma pakati pemasimba akasiyana uye magadzirirwo zvinhu. Kumonyoroka pamwe nekureba kweblade yepropeller hakusi yunifomu; inodzikira kubva pahubhu kuenda kumuromo. Iyi dhizaini inovimbisa kuti chikamu chega chega cheblade chinobatsira zvakaenzana kumisikidza, sezvo muromo unofamba nekukurumidza kupfuura mudzi uye waizogadzira kusimudzwa kwakashata.
Chiitiko che'propeller slipstream' chimwe chinhu chakakosha chepropeller mechanics. Kutenderera kwemablades epropeller kunogadzira spiral pateni yekuyerera kwemhepo inozivikanwa se slipstream, iyo inogona kukanganisa aerodynamics yendege, kunyanya pamusoro pemuswe. Vatyairi vendege vanofanirwa kunzwisisa uye kutarisira izvi zvinokonzeresa kuchengetedza kudzora kwakatsetseka.
Torque uye P-factor mamwe masimba anouya mukutamba. Torque itsika yekukunguruka kwendege yakatarisana nekutenderera kwepropeller nekuda Mutemo wechitatu waNewton. P-factor, kana asymmetric blade effect, inoitika kana ndege iri pakona yakakwira yekurwiswa, zvichiita kuti rimwe divi repropeller disc ribudise simba rakawanda kupfuura rimwe. Kuripa masimba aya chikamu cheunyanzvi hwomutyairi wendege.
Maintenance uye Kuchengetedzwa kweAirplane Propellers
Kunyatsoshanda uye kuvimbika kwezvifambiso zvendege zvinotsamira pakunyatso gadzirisa uye nekuomerera kune zvekuchengetedza mapuroteni. Kuongororwa kwechinyakare kwakakosha kuona nekugadzirisa chero nyaya dzakaita senge nick, dents, corrosion, kana makatsemuka anogona kukanganisa kusimba kwechimiro chemashizha kana hub.
Kuenzanisa ndeimwe nzira yakakosha yekuchengetedza. Iyo isina kudzikama propeller inogona kutungamira kune kuzunguzika kusingangokonzeresa kusagadzikana asiwo kunogona kukonzera kutadza kwemuchina kune imwe nzvimbo mundege. Kuenzanisa kunosanganisira kugadzirisa kuwanda kwekugovera kwepropeller kuitira kuti itenderere zvakanaka pasina kukonzera kusagadzikana kusingakodzeri injini uye airframe.
Kutevedzera nhungamiro yevagadziri uye mirau yendege hazvigone kutaurirana. Izvi zvinotara zviyero zvenguva dzekugadzirisa, maitiro ekugadzirisa, uye zvisingakwanisi kushanda. Kudzidziswa kwevashandi vekuchengetedza kwakakosha zvakaenzana kuti ive nechokwadi chekuti munhu wese ane chekuita nekuchengetwa kwezvifambiso zvendege akashongedzerwa neruzivo rwezvino nehunyanzvi.
Zvitsva muAirplane Propeller Technology
Munda wehunyanzvi hwekufambisa ndege hauna kumira; inoramba ichishanduka, ichisundwa nekutsvaga kwekushanda kwakanyanya, kushanda, uye kuderedza ruzha. Zvigadzirwa zveComposite zviri kumberi kwekushanduka uku, zvichipa uremu hwekuchengetedza uye yakagadziridzwa aerodynamics uchichengetedza simba uye kusimba.
Kufambira mberi mukugadzirwa kwekombuta nekugadzira kwakatungamira kune mamwe chaiwo uye akaomarara mapropeller maumbirwo, akagadzirirwa kune chaiwo maitiro ekuita. Magadzirirwo akadai sema scimitar-shaped blades, ayo anotenderera akananga kumuromo, aratidza chivimbiso mukudzikisa ruzha nekuvandudza kugona.
Electrification of propulsion systems imwe nzvimbo yebudiriro. Mamota emagetsi anogona kugonesa mapropeller, achigadzira nzira yekudzikama, yakachena dzimwe nzira kune echinyakare injini dzinopisa. Aya matekinoroji achiri muhudiki asi ane akakosha mukana weramangwana rekubhururuka.
mhedziso
Sezvatinotarisa takananga kunharaunda yekubhururuka, kukosha kwezvifambiso zvendege zvinoramba zvisina kudzikiswa. Iwo ufakazi hwehungwaru hwemainjiniya ekare neazvino uye chinhu chakakosha mune ramangwana rekubhururuka. Tsvagiridzo inoenderera mberi uye budiriro inovimbisa kuunza hutsva hunonatsiridza kushanda zvakanaka kwepropeller, kuderedza kukanganisa kwezvakatipoteredza, uye kuwedzera kuchengeteka.
Rwendo rwekubva kune dhizaini dhizaini yekutanga kwezana ramakore rechi20 kuenda kune yakaomesesa masisitimu anhasi irondedzero inoshamisa yekufambira mberi. Nekufambira mberi kwezvinhu uye tekinoroji, pamwe nekunzwisisa kwakadzama kweaerodynamics, mapropeller endege acharamba ari chinhu chakakosha munharaunda yekubhururuka.
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