Diesel Injector Fuel Injector 0445120188 Bosch maka Dodge RAM 2500 / RAM 3500 Pickup Truck 6.7L Cummins Mmepụta dị elu

Ịmepụta Nlereanya Nlebaanya Usoro Ịgbanye Mmanụ Ala maka Injector maka Injin Diesel(akụkụ 5)

N'ihi mgbasa, a na-agbanwe ụgbọ elu mmanụ ụgbọala ka ọ bụrụ ihe na-agbapụta mmanụ ọkụ nwere nkesa nha nha nha. Ọzọkwa, dobe dayameta bụ a random na-aga n'ihu ibu, ntụgharị ọ nwere ike were ihe ọ bụla uru na etiti oge nke nkọwa ya. N'akụkụ a, a ga-ewere mmanụ ọkụ ọkụ ọ bụghị naanị dị ka nchịkọta ma ọ bụ nchịkọta nke tụlee, kama dị ka nchịkọta static nke tụlee nke nha dị iche iche.

Dị ka nkesa iwu tụlere, opekata mpe abụọ a chọrọ iji mụọ dobe size ụdịdị dị iche iche nke mmanụ ụgbọala atomized: nkezi dobe dayameta na jet nkesa e ji mara (dispersion, nso).

Ahọpụtara usoro dayameta nkwụsị nke Sauter. Ọ na-anọchi anya nha nha nke mkpokọta ụda niile dara na elu ha niile.

Atọmịka mmanụ na-adabere na nọmba Weber, nke bụ ọnụ ọgụgụ na-enweghị oke na-eme ka mmekọrịta dị n'etiti paramita atọ nke na-emetụta ịdị mma nke atomization mmiri wee chọta site na okwu ahụ.

(2) : DP -Pressure dobe, 2 H / m n'etiti nozzle orifice na ọkara nke a na-eme injection cd -nozzle orifice dayameta, m; s – mmanu elu esemokwu, N/m Otu n'ime isi iwu nke capillary phenomena na-emetụta ịdị mma nke atomization bụ iwu Laplace.

Nkịtị na-enweghị akụkụ na-ejikọta paramita anọ nke na-emetụta ịdị mma nke atomization mmanụ (3) rT - njupụta mmanụ ọkụ kg/m3 n'etiti orifice nozzle na ọkara nke a na-eme injection ahụ; cd - oghere orifice dayameta, m; σ - mmanu elu esemokwu, N / m, mT - mmanụ ọkụ viscosity ike, Ns / m2

Mmetụta dị ịrịba ama na atomization mmanụ ụgbọala na-akpata site na ọnụego nke mmiri mmiri na-esi na orifice nozzle pụta. Ọnụọgụ mmanụ ụgbọala na-esi na ya apụta ozugbo n'ebe a na-adọsa na-amalite na-adabere n'ọtụtụ ihe (4):