Ngabe usangazibuza ukuthi inkomba yakho ye-airspeed isebenza kanjani? Impendulo ikhona ohlelweni oluyisisekelo olubizwa ngokuthi uhlelo lwe-piot-static, olwenza ukucindezela komoya we-ram nokuliqhathanisa nokucindezela okugxile ukubonisa ijubane lendiza emoyeni. Futhi akusikho konke okukutshela khona. Lesi simiso somoya esifanayo sisinika ukuphakama kwethu futhi sisitshela ukuthi siyashesha kangakanani noma sihla ngezinyawo ngomzuzu. Uhlelo lwe-pitot-static lunikeza amandla ezinsimbi ezintathu eziyisisekelo : • I- airspeed indicator , i- altimeter , kanye nesibonakaliso sokusheshisa .
Izingxenye
- I-Pitot Tube nomugqa : I-tube ye-pitot iyinsimbi efana no-L etholakala ngaphandle kwendiza esetshenziselwa ukukala i-airspeed. Inokuvula encane phambi kwebhulethi lapho ukucindezela komoya wempondo (ingcindezi enamandla) ingena ngaphakathi kwiphubhu kanye nomgodi wokukhipha ngemuva kwebhubhisi. Ezinye izinhlobo noma amashubhu we-pitot anezinto zokushisa komshini ngaphakathi ngaphakathi kwebhubhisi evimbela iqhwa ekuvimbeleni ukungena kwemoya noma ukukhipha imbobo.
- Ama-Static Port (s) kanye nemigqa : Ichweba eliyi-static liyi-inlet encane emoyeni, evame ukuhlala eceleni kwendiza, igxume ngokumelene ne-fuselage. I-port static inomshini womoya ongekho ohambayo, obizwa nangokuthi ingcindezi embi noma ukucindezelwa kwe-barometric. Ezinye izindiza zinamachwethi angaphezu kwesisodwa futhi ezinye izindiza zinesinye i-port static uma kwenzeka eyodwa noma ngaphezulu yamaphengi ivinjiwe.
- Izinsimbi : Uhlelo lwe-pitot-static luhilela izinsimbi ezintathu: Inkomba ye-airspeed, i-altimeter, ne-speed speed indicator. Imigqa eqondile ixhuma kuzo zonke izinsimbi ezintathu nokucindezela komoya wenqama kusuka kumgudu we-pitot uxhuma kuphela kumbonisi we-airspeed.
- I-Port Static ehlukile (uma ifakiwe) : I-lever engxenyeni yezindiza yendiza ethile isebenza ngechwethi elithile le-static lapho kwenzeka ukuthi ichweba eliyinhloko le-static livale. Ukusebenzisa uhlelo oluthile lwe-static kungabangela ukufundwa okungalungile kwamathuluzi, ngoba ingcindezi e-cabin can ngokuvamile iphakeme kunezingxenyana eziyinhloko ezisezingeni eliphezulu.
Ukusebenza okujwayelekile
I-pitot static system isebenza ngokulinganisa nokuqhathanisa ukucindezeleka okuqinile kanye nesikhombisi se-airspeed, kokubili ukucindezela okuqinile nokuqina.
- I-Airspeed: Inkomba ye-airspeed yinkinga evaliwe nge-diaphragm engavumelekile ngaphakathi kwayo. Icala elizungezile le-diaphragm lenziwe ngokucindezela okuyi-static, futhi i-diaphragm inikezwa kokubili ukucindezela okuqinile nokunamandla kuyo. Lapho umoya okhuphuka emoyeni uphazamisa, ukucindezela okunamandla ngaphakathi ngaphakathi kwe-diaphragm kwanda futhi, okwenza ukuba isifenqemane sande. Ngokuxhunyaniswa kwamashini namagesi, i-airspeed iboniswa yisinaliti yezinaliti ebusweni bensimbi.
- I-Altimeter: I-altimeter isebenza njenge-barometer futhi ihlinzekwa nokucindezelwa okuvela emachwebeni ase-static. Ngaphakathi kwenkampani yezinsimbi ezivaliwe yi-stack yama-diaphragms ashicilelwe, aziwa nangokuthi ama-wafers. Lezi zinhlayiya zivaliwe ngokucindezelwa kwangaphakathi zilinganiselwa ku-29.92 "Hg, noma ingcindezi ejwayelekile yomkhathi. Banda futhi bavumelanise njengoba ingcindezi ikhuphuka futhi iwela endaweni yecala elizungezile. Iwindi leCollsman ngaphakathi kwepakitini livumela umshayeli ukuba alingise ithuluzi ukuze isilungiselelo se-altimeter esendaweni e-akhawuntini yokucindezela okungapheli komkhathi.
- I-VSI: Isibonakaliso sejubane esincane sinomshini omncane ovalwe uphawu oluxhunyiwe kwichwethi le-static. Icala le-instrument elizungezile liphinde lifakwe uphawu futhi linikezwe umfutho we-static air nge-flowered flow ngemuva kwecala. Lokhu kuvuza kwemitha kuthinteka ukushintsha kancane kancane, okusho ukuthi uma indiza iqhubeka ikhuphuka, ingcindezi ngeke ihlangane, ivumela ukuthi ulwazi lwedatha lubekwe ebusweni bomculo. Uma indiza iqeda, izingcindezi ezivela kulesi sifo se-metered kanye nokucindezela okuyi-static okuvela ngaphakathi kwe-diaphragm kufanelana, futhi ukudayela kwe-VSI kubuyela ku-zero ukukhombisa indiza yezinga.
Amaphutha nokusebenza okungavamile
Inkinga evame kakhulu ngesistimu ye-pitot-static ukuvimbela ithubhu ye-pitot noma amachweba ase-static, noma kokubili.
- Uma i-tube ye-pitot ivinjelwe, futhi imbobo yayo yokudonsa ihlala ilula, i-airspeed izofunda u-zero.
- Uma i-pitot tube kanye nomgodi wayo wokuvuthwa ivinjiwe, isibonakaliso se-airspeed sizofana ne-altimeter, sifunda ukuhamba kwezindiza eziphakeme ngokunyuka kokuphakama. Lesi simo singaba yingozi uma singaqashelwa ngokushesha.
- Uma i-port (s) e-static ivinjelwe futhi ithebhu ye-pitot ihlala isebenza, isibonakaliso se-airspeed ngeke sisebenze futhi izinkomba zizobe zingalungile. I-altimeter izofisa endaweni lapho kuvinjelwe khona futhi i-VSI izobonisa ukuthi i-zero.
Enye inkinga ngesistimu ye-pitot-static ihlanganisa ukukhathala kwensimbi, okungahle kube yinkimbinkimbi yokwehlukana kwezidakamizwa. Ukwengeza, ukuphazamiseka noma ukuhamba ngokuphuthumayo kungabangela ukucindezeleka okuyize okuyize.