Kuwerenga zolemba za VGT turbocharger

Mamapu onse a compressor amawunikidwa mothandizidwa ndi njira zomwe zimatengedwa pakuwunika zofunikira.Zitha kuwonetsedwa kuti palibe chophatikizira chomwe chimawonjezera mphamvu ya kompresa pamagalimoto akulu ndikusunga kukhazikika koyambira komanso kuchita bwino pamagetsi ovotera.Izi ndichifukwa chakuchepa kwakukula kwa mapu mukamagwiritsa ntchito cholumikizira chapamadzi.Zotsatira zikuwonetsanso kuti palibe chokhudza kuyika kwa ntchito yeniyeni ya choyikapo nyali pomwe cholumikizira chamagetsi chokhala ndi magawo amapangidwe amtundu womwe waperekedwa chikugwiritsidwa ntchito.Kuthamanga kwa ma impeller pamlingo womwe wapatsidwa ndi gawo lokhalo la kusiyana komwe kumachitika pogwiritsa ntchito vaned diffuser.Cholinga cha geometry ya compressor yosinthika imatanthauzidwa ngati kusunga phindu pamagalimoto akulu ndikukulitsa m'lifupi mwamapu kuti ifike pamtunda ndikutsamwitsa kuthamanga kwa vaneless diffuser kuti athe kupeza mphamvu pamagetsi ovotera, torque yapamwamba komanso nthawi. ntchito yoboola injini yomwe ikufanana ndi kompresa yoyambira.

Ma compressor atatu osinthika apangidwa ndi cholinga chofuna kupititsa patsogolo kuchuluka kwamafuta a injini zolemetsa pamagalimoto akuluakulu popanda kuwonongeka kwa mphamvu zovoteledwa,

torque yapamwamba, kukhazikika kwamphamvu komanso kulimba.Pachiyambi choyamba, zofunikira za injini pokhudzana ndi gawo la compressor zatengedwa ndipo malo ogwiritsira ntchito compressor oyenera kwambiri amadziwika.Magalimoto akuluakulu oyendetsa magalimoto aatali amafanana ndi malo ogwiritsira ntchito pazitsulo zothamanga kwambiri komanso kuyenda kochepa.Kutayika kwa ma aerodynamic chifukwa cha mafunde othamanga kwambiri mu vaneless diffuser kumachita gawo lalikulu pamachitidwe awa.

Pofuna kupititsa patsogolo chuma chamafuta popanda kudzipereka pokhudzana ndi zovuta za injini zomwe zatsala, ma geometries osinthika amayambitsidwa kuti awonjezere kukula kwa mapu komanso nthawi yomweyo kutipangitsa kuti tizichita bwino pamagetsi othamanga kwambiri a ma diffusers.

 

Buku

BOEMER, A;GOETTSCHE-GOETZE, H.-C.;KIPKE, P;KLEUSER, R ;NORK, B: Zweistufige Aufladungskonzepte fuer einen 7,8-Liter Tier4-final Hochleistungs-Dieselmotor.16.Aufladetechnische Konferenz.Dresden, 2011


Nthawi yotumiza: May-05-2022

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