Ezigbo Injector Rail Injector Nozzle L246pbc ọhụrụ maka injector mmanụ
ngwaahịa nkọwa
Ejiri ya n'ụgbọ ala / igwe
| Koodu ngwaahịa | L246pbc |
| Nlereanya igwe | / |
| Ngwa | / |
| MOQ | 6 pcs / Mkparịta ụka |
| Nkwakọ ngwaahịa | Ngwunye igbe ọcha ma ọ bụ ihe ndị ahịa chọrọ |
| Akwụkwọ ikike | Ọnwa isii |
| Etiti oge | 7-15 ụbọchị ọrụ mgbe nkwenye iwu |
| Ịkwụ ụgwọ | T/T, PAYPAL, dị ka mmasị gị |
| Ụzọ nnyefe | DHL, TNT, UPS, FedEx, EMS ma ọ bụ Arịrịọ |
FAQ
Nnyocha na mmetụta nkeỌkpụkpọ injector Ntugharị nke injector mmanụ dizel na njirimara injection nke oghere ọ bụla (akụkụ 2)
Isi ihe nyocha nke akwụkwọ a bụ nke a:
(1) Dabere n'iwu nke nchekwa ọkụ ọkụ na usoro Bernoulli, a haziri ma wuo usoro nnwale maka njirimara ịgba mmanụ na-adịru nwa oge nke oghere ọ bụla dabere na ụkpụrụ nnwale ịgba ọsọ ịgba. Usoro ule nwere ike ịnakọta ọnụ ọgụgụ ịgba mmanụ ọkụ ozugbo nke oghere ọ bụla nke injector multi-hole n'otu oge ahụ, ma ghọta nchịkọta okirikiri nke otutu oge injection mmanụ. A na-enyocha izi ezi na ntụkwasị obi nke usoro ule.
(2) Dabere n'ọbá akwụkwọ klas C++ mepere emepe OpenFOAM? N'elu ikpo okwu, na ndabere nke rhoCentralFoam solver maka mkpakọ transonic eruba, koodu maka idozi mkpakọ gas-mmiri mmiri ugboro abụọ n'ime nozzle ka emepụtara na tinye ya. Onye na-edozi ihe na-eji ụdị nrịba dị n'otu na-edozi ọkụ ọkụ multiphase na nozzle ma dozie mgbanwe nke usoro abụọ site na nhazi nrụgide dị mma nke steeti. Ebe ọ bụ na ọkọlọtọ RNGk-ε Ụdị ọgba aghara ezughị oke iji dozie mgbaba na-asọba, karịsịa ihe omume cavitation na mpaghara nrụgide dị ala, a na-emegharị ihe atụ nke ọgba aghara site n'iwebata ọrụ njupụta nke metụtara ọnọdụ cavitation kama njupụta mgbe nile. Na mgbakwunye, mgbe ị na-edozi nha Euler maka mmiri mmiri na-agbakọ, a na-enwekarị ngwọta nkwụsị, ya bụ nsogbu Riemann, n'ihi njirimara mgbakọ na mwepụ hyperbolic siri ike nke nha nhata.
N'ime akwụkwọ a, a na-eji ihe dị ka Riemann solver na-edozi ọnụọgụ ọnụọgụ nke ntupu iji weghara ngwọta kwụsịrị, ya bụ, ihe ịma jijiji na-efegharị efegharị nke mmiri na-agbakọ. A na-eji ihe nlereanya ahụ nyochaa mmetụta nkeỌkpụkpọ injector mmegharị na oghere oghere n'ime oghere nke injector nwere oghere okpukpu abụọ, na ụdị CFD guzosiri ike na-enyocha ya site na iji iwu ịgba mmanụ atụpụtara nke oghere ọ bụla. The simulation pụta na-egosi na ihe nlereanya nwere ike n'ụzọ ziri ezi weghara cavitation na turbulence quasi-sequential Ọdịdị nke na-amalite oge ụfọdụ na nozzle, na cavitation mmepe nke elu nozulu oghere dị njọ karịa nke ala nozzle oghere.
