< img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=246923367957190&ev=PageView&noscript=1" /> I-China yoMgangatho oPhakamileyo kaLoliwe weDizili /I-Fuel Injector NozzleDLLA148P168 umzi-mveliso kunye nabavelisi | URuida
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Umgangatho oPhakamileyo kaloliwe oqhelekileyo weDizili / Isitofu seFuel NozzleDLLA148P168

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    Ukuvelisa Igama Umfanekiso we-DLLA148P168
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    Ukulinganisa ukuHamba okuPhakamileyo kwiMibhobho yesitofu seFuel (icandelo 6)

    Ubungakanani obuncinci, isantya esiphezulu kunye nesikali esilinganiselweyo sexesha senza kube nzima kakhulu ukufunda indlela yokuziphatha ngokulinga. Ukulinganisa i-cavitation kunokuba luncedo ekufaniseni ukuhamba kwimibhobho ye-injector yobukhulu bokwenyani kunye nokufunda iimpawu ze-nozzle zangaphakathi, ezichaphazela ukuhamba ngaphakathi kwe-nozzle.

    Ukwakhiwa kwanoma yimuphi ukulinganisa kwe-cavitating injector nozzles kuqala ngeengcinga ezisisiseko zeziphi izinto eziza kubandakanywa kwaye ziyakungahoywa [12]. Ukuza kuthi ga ngoku, akukho mvumelwano malunga nokuba kwamkelekile ukucinga ukuba i-nozzles encinci, i-high-speed-speed cavitating nozzles i-thermal or inertial equilibrium. Ukuba umntu ucinga ukuba umbhobho ukwi-equilibrium ye-thermal, ngoko akukho kulibaziseka okubalulekileyo ekukhuleni kweqamza okanye ukuwa ngenxa yokudluliselwa kobushushu. Ukugqithiswa kobushushu kukhawuleza ngokungenasiphelo kwaye iziphumo ezingenasiphelo ziyanciphisa utshintsho lwesigaba. Ukucingelwa kolungelelwaniso lwe-inertial kuthetha ukuba izigaba ezibini zinesantya sokutyibilika esingakhathaliyo.

    Kungenjalo, kwinqanaba lesikali segridi engaphantsi, umntu usenokucinga ukuba nokwenzeka kwamaqamza amancinciubungakanani ukuphendula utshintsho kuxinzelelo. Le yantlukwano yezimvo ikhokelela kwiindlela ezahlukeneyo zokubonisa. Ukulinganisa i-cavitating atomizer nozzles rhoqo kufuna ukwenza lula ucingelo. Ezi ngcinga kufuneka zanele ukwenza ukuba ingxaki ilungiswe ngaphandle kokuvelisa iimpazamo ezingamkelekanga. Injongo yalo msebenzi kukwakha isombululi se-CFD esine-dimensional-dimensional-dimensional CFD ukulinganisa ukuhamba kwi-nozzle encinci, i-high-speed cavitating nozzle usebenzisa i-homogeneous equilibrium model (HEM). I-HEM esetyenziswe kulo msebenzi yandisa imodeli echazwe nguSchmidt et al. [1,2] kwisakhelo esine-multidimensional and parallelised. Imodeli yandisiwe ukuze ifanise imiphumo engeyiyo yomgca yesigaba esicocekileyo ekuhambeni kwaye indlela yamanani ihluke kumsebenzi kaSchmidt et al.

     


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