Diesel Injector Fuel Injector 0445110502 Bosch maka Uaz Hunter/Patriot 2.0CD 08

Nyocha steeti na-agafe agafe nke injectors engine CI na iji ụzọ anya

Abstract.

Ebumnuche bụ isi nke nyocha bụ ịkọwapụta ezigbo oge ịgba ọgwụ mgbochi megide oge
akara akara eletriki maka piezoelectric na electromagnetic injectors mmanụ ọkụ. Nke abụọ
ebumnobi nke ọrụ a bụ nleba anya mmetụta nke ahụkarị injection paramita na nke a
igbu oge. E lekwasịrị anya nyocha ahụ n'ihe omume nke akara njikwa kwesịrị ekwesị edere ya
iji usoro nnweta data na-agbanwe ngwa ngwa ma jiri ya tụnyere data edere site na elu
igwefoto ọsọ. Emere ule a n'ime ụlọ olu mgbe niile maka ụdị injector dị iche iche
eji na combustion engines na kpọmkwem injection nke mmanụ dizel. Emere ule a n'okpuru
ọnọdụ na-agbanwe agbanwe: nrụgide mmanụ ụgbọala dị iche iche, ikuku azụ-nrụgide na oge injection.
1. Okwu mmalite
Ngwunye nrụgide dị elu nke mmanụ ọkụ mmiri na-enweta site na usoro ụgbọ oloko nkịtị chọrọ oke nkenke na mmanụ ụgbọala
A na-ebunye ọnụọgụgụ n'ime ụlọ ọkụ site na injector. Ugbu a enwere ụdị injectors abụọ bụ isi
a na-ejikarị ya eme ihe maka mgbanye mkpakọ na ọkụ ọkụ ọkụ: electromagnetic na
piezoelectric. Ọ bụ ezie na nrụgide mmanụ ụgbọala na-arụ ọrụ n'ime sistemu ịgba mmanụ mmanụ dị obere
tụnyere mmanụ dizel mmanụ ụgbọala usoro, ma injector oghere ugboro fọrọ nke nta ka otu maka ma ụdị nke
ihe owuwu. Eziokwu ahụ na-eme ka ihe ndị a chọrọ maka ndị injectors CI na SI. Ngwa ndị a kwesịrị ịbụ
mara site na ikekwe nzaghachi ngwa ngwa maka akara njikwa kwesịrị ekwesị maka ma mmeghe na imechi ọrụ.
Payri et al. [1] nyochara mmetụta nke teknụzụ electromagnetic na piezoelectric na
Usoro ịgba ọgwụ maka injectors piezoelectric na solenoid na-arụ ọrụ. N'akụkụ ahụ hydraulic
A kwadebere njirimara maka atụmatụ abụọ ahụ wee jiri ya tụnyere ibe ya. N'ime nyocha a
A na-etinye ihe ngosi ọnụego mmanụ ọkụ dabere na usoro Bosch. The nwetara nsonaazụ gosiri ngwa ngwa actuation nke
piezo-injectors tụnyere ndị solenoid. Ihe ọ pụtara bụ na igbu oge hydraulic ha dị obere. Nke
ndịiche na-abawanye n'ụzọ kwekọrọ na nrụgide injection. Nlebanya nke abụọ si
Nnwale ahụ bụ ọsọ mmanụ dị elu maka piezo-injector ma e jiri ya tụnyere nke ọzọ nwere ụdị ya
dayameta oghere.
Nnyocha yiri nke ahụ bụ Yu et al. [2], mana n'ọnọdụ ahụ mmanụ ọkụ ahọpụtara maka nyocha bụ
mmanụ ọkụ na mmanụ dizel. Dabere naanị na akara njikwa na mgbanwe nke ọnụego mmanụ ọkụ sitere na injector
nozzle, nkwụsị nke injection megide oge mgbama oghere eletrik nwetara. Ụkpụrụ nke a
oke bụ mgbe niile na-adabereghị na nrụgide injection (na nke a 60 na 100 MPa) na igbu oge
oge bụ otu 0.45 ms maka piezo- na 0.55 ms maka injector solenoid. Na mgbakwunye, ọsọ ọsọ ọsọ
site na nozzle injector maka nrụgide injection dị ala ka a hụrụ. Eziokwu ahụ na-enye uru dị ukwuu
arụ ọrụ injin combustion dị ka mma atomization na evaporation nke mmanụ ụgbọala. Ndị odee kwuru na-eji