Uyini umsebenzi wepayipi lokukhipha isihlungi somoya
Ipayipi le-exhaust lesihlungi somoya linesibopho sokuletha umoya ohlungiwe ngaphakathi kwenjini. Akusizi nje kuphela ukunciphisa umsindo odalwa ngesikhathi sokudla kodwa futhi kuvimbela ukuguga nokulimala kwenjini okubangelwa ukungcola. Ipayipi lokungenisa lidlala indima ekuhlungeni ngokuphumelelayo uthuli nokungcola emoyeni, ukuqinisekisa ukuthi umoya ongena ekamelweni elivuthayo unokuhlanzeka okuphezulu, ngaleyo ndlela uqinisekisa ukushiswa okuphelele kwamafutha. Lapho isici sokuhlunga umoya singcola ngenxa yokungcoliswa, sizokhinyabeza ukuhamba komoya, kubangele ukuncipha kwevolumu yokudonsa kwenjini futhi ngaleyo ndlela kuthinte amandla enjini. Ngaphezu kwalokho, ukwakheka kwesihlungi se-air resonant cavity ihlose ukunciphisa umsindo wokungenisa injini. Ivamise ukufakwa epayipini lokungena futhi inezimbotshana ezimbili ezihlukene okulula ukuzibona.
Emkhakheni wobuchwepheshe bezitshalo zamandla ezimoto, ikakhulukazi ekwakhiweni kwezihlungi zomoya zezimoto, ukuncishiswa komsindo sekuyinto ebalulekile yokucatshangelwa. Ubuchwepheshe basemuva bukhombisa ukuthi umsindo usuyinkinga enkulu ethinta izinga lempilo yabantu, kanti nemboni yezimoto nayo iyafana. Ngenkathi abakhiqizi bezimoto bethuthukisa ezinye izici zokusebenza kwezimoto zabo, baphinde bazibophezele ekuthuthukiseni ukusebenza kwe-NVH kwezimoto zabo. Njengesango eliyinhloko lokungena komoya enjinini, isisefo somoya asihlungi nje kuphela uthuli oluvela emoyeni ukuze sivikele injini kodwa sisebenza njengesivimbeli sokunweba ukuze sinciphise umsindo owukhiphayo.
Kodwa-ke, imiklamo evamile yesihlungi somoya ngokuvamile isebenzisa imigodi elula kanye namapayipi ayindilinga eyodwa yokudonsa komoya kanye ne-exhaust, engenakho ukuhlukahluka kwezingxenye ezihlukene, ngaleyo ndlela anciphise ukwanda kwe-acoustic impedance kanye nokuthuthukiswa kwemiphumela yokunciphisa umsindo. Ngaleso sikhathi, lezi zihlungi zomoya zivame ukufakwa ebhethrini futhi ngaphambili kubhajwe ngamabhawudi. Ukuqina kwamaphoyinti okufaka abuthakathaka, futhi amadizayini amaningi ayahluleka ukuzuza ukwehlisa umsindo wokungena okusebenzayo. Ngisho noma amanye amadizayini ecabangela ukunciphisa umsindo futhi engeza imigodi ezwakalayo epayipini elingenisayo, ukwenza kanjalo kuzothatha indawo ebalulekile yekhompathi yenjini futhi kubangele inselele kusakhiwo.
Kulungelo lobunikazi le- "An Air Filter with Integrated Resonant Cavity", nakuba i-resonant cavity isethwe ngaphakathi kwesihlungi somoya ukuze kuncishiswe umsindo, njengoba ingxenye enqamulayo yepayipi lokungenisa ihlala ingashintshiwe, akusizi ukuqhubeka nokwandisa i-acoustic impedance ukunciphisa umsindo. Ngaphezu kwalokho, lo mklamo awubheki ithonya lokudlidliza ekuphakameni kwesakhiwo. Inomthamo omkhulu, ongahambisani nokuhlelwa kwezinye izesekeli endaweni yenjini futhi ingase ithinte ukuqina kwendawo yokufaka.
Ukuphendula lezi zinkinga, okusunguliwe kwamanje kuphakamisa ukwakheka kwesihlungi somoya sezimoto esingathuthukisa umsindo wokungenisa. Lesi sakhiwo sihlanganisa igobolondo eliphezulu kanye negobolondo eliphansi. Igobolondo eliphansi lifakwe ikamelo lokungenisa, igumbi elizwakalayo, igumbi lokuhlunga kanye negumbi lokukhipha umoya. Umoya ungena nge-airlet, udlule kulawa makamelo ngokulandelana futhi ukhishwe nge-outlet yomoya. Ngokuphawulekayo, igumbi lokungenisa lidizayinelwe njengepayipi elibekwe ngaphakathi kwendawo ezwakalayo, enye indawo iyimbobo yokungena bese enye iphethe ibe nembobo yokuxhumana exhunywe kumgodi ozwakalayo. Lo mklamo uhlose ukunciphisa ngokuphumelelayo umsindo wokungenisa.
Ukusebenza kwesistimu yamandla okuntekenteke: Isihlungi somoya sidlala indima ebalulekile enjinini, sinesibopho sokuhlola nokuhlanza umoya ongena enjinini. Uma isihlungi somoya sesivuza, inani lomoya ogeleza enjinini lizoncipha, ngaleyo ndlela lenze buthaka ukusebenza kahle kokuvutha futhi kubangele amandla okukhiphayo enjini ehle.
Ukwenyuka kokusetshenziswa kukaphethiloli: Ngenxa yokwehliswa kwenani lomoya ongena enjinini, ukuminyana kwegesi exutshwe kuzokwanda ngokufanele, okuzodala ukusha okungaphelele futhi kamuva kuholele ekusheshisweni kwesilinganiso sokusetshenziswa kukaphethiloli.
Izinga lesisi esikhipha umoya liyawohloka: Ukushiswa komlilo okungaphelele kuzobangela ukukhishwa kwezinto ezingcolisa umoya njenge-carbon monoxide nama-hydrocarbons ku-exhaust gas kwenyuke, kube nomthelela omubi emvelweni.
Ukusebenza kwenjini okungazinzile: Ukuvuza komoya esihlungini somoya kungase kubangele ukungena komoya okunganele enjinini, kuphazamise ukusebenza kwayo okuvamile futhi okungase kubangele ukuma, ukungenzi kahle okungazinzile, nezinye izimo.
Ukunciphisa ukuqina kwezingxenye: Ukuvutha okungaphelele kuzokwandisa inkinga yediphozithi yekhabhoni ngaphakathi enjinini, okuzosheshisa ukuguga kwezingxenye ezibalulekile njengamaphistoni namavalvu, ngaleyo ndlela kuthinte impilo yabo yesevisi.
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