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

Binciken jihohi na wucin gadi na injin injectors na CI tare da amfani da hanyoyin gani

Abstract.

Babban manufar bincike shine a ayyana ainihin jinkirin lokacin allura akan lokacin
siginar sarrafa wutar lantarki don piezoelectric da injectors na diesel na lantarki. Na biyu
makasudin wannan aikin shine auna tasirin tasirin allura na yau da kullun akan wannan
jinkiri. Binciken ya mayar da hankali kan abin da ya faru na siginar sarrafawa masu dacewa da aka rubuta tare da
amfani da tsarin sayan bayanai masu saurin canzawa kuma idan aka kwatanta da bayanan da aka rubuta ta babban
kyamarar sauri. An gudanar da gwaje-gwajen a cikin ɗakin ƙararrawa akai-akai don nau'ikan allura daban-daban
ana amfani dashi a injunan konewa tare da allurar man dizal kai tsaye. An yi gwajin a karkashin
m yanayi: daban-daban na man fetur matsa lamba, iska baya-matsi da allura tsawon lokaci.
1. Gabatarwa
Babban matsi na allura na mai mai ruwa wanda aka gane ta hanyar tsarin layin dogo na gama gari yana buƙatar daidaitaccen man fetur
adadin da aka kawo cikin ɗakin konewa ta hanyar allura. A halin yanzu akwai manyan nau'ikan allura guda biyu
da aka saba amfani da su duka biyun damfara ƙonewa da walƙiya ƙonewa inji: electromagnetic da
piezoelectric. Kodayake matsa lamba mai aiki a cikin tsarin alluran mai ya ragu sosai
kwatanta da tsarin man dizal, amma lokutan buɗe injector kusan iri ɗaya ne ga nau'ikan biyun
gini. Wannan gaskiyar ta sanya buƙatun kamanni don injectors na CI da SI. Ya kamata waɗannan na'urori su kasance
halin da yuwuwar amsa mai sauri ga siginar sarrafawa masu dacewa don duka buɗewa da aiki na rufewa.
Payri et al. [1] ya bincika tasirin fasahar lantarki da fasahar piezoelectric akan
Tsarin allura don aikin piezoelectric da injectors na solenoid kai tsaye. A wannan bangaren na hydraulic
An shirya halaye don duka ƙira sannan kuma idan aka kwatanta da juna. A cikin wannan bincike da
An yi amfani da alamar ƙimar man fetur bisa hanyar Bosch. Sakamakon da aka samu ya nuna saurin aiwatarwa
piezo-injectors idan aka kwatanta da solenoid. Abin da ake nufi shi ne cewa jinkirin hydraulic su ya fi karami. The
bambance-bambancen suna karuwa daidai da matsa lamba na allura. Na biyu lura daga
Wannan gwajin shine mafi girman saurin kwararar mai don piezo-injector idan aka kwatanta da sauran ƙira mai kama
rami diamita.
An gudanar da irin wannan bincike ta hanyar Yu et al. [2], amma a wannan yanayin, abubuwan da aka zaɓa don bincike sun kasance
kananzir da man dizal. Dangane da siginonin sarrafawa kawai da bambancin yawan kwararar mai daga injector
bututun ƙarfe, an sami jinkirin allura akan lokacin buɗe siginar lantarki. Darajojin wannan
siga sun kasance koyaushe ba tare da matsa lamba ba (a cikin wannan yanayin 60 da 100 MPa) da jinkiri
lokuta sun kasance daidai da 0.45 ms na piezo- da 0.55 ms don allurar solenoid. Bugu da ƙari, saurin gudu
daga bututun injector don ƙananan matsi na allura an lura. Wannan gaskiyar tana ba da fa'idodi masu mahimmanci ga
Aikin injin konewa kamar ingantacciyar atomization da fitar da mai. An ce marubutan sun yi amfani da su