Injector mai Babban Haɓaka EJBR01801Z Diesel Injector Na yau da kullun Injin Injector na Rail don Delphi Auto

Bututun bututun mai shine muhimmin madaidaicin bangaren da ke haɗa allurar mai da atomation, kuma ingancin aikin injin ɗin yana da matukar tasiri ta halayen kwararar da ke cikin bututun ƙarfe. Man fetur a cikin ɗakin matsa lamba a cikin mashigin bututun ƙarfe, yanki na giciye na ƙayyadaddun tashar tashoshi, yawan adadin man fetur ya karu, an rage matsa lamba na gida zuwa ƙasa da matsa lamba na tururi na man fetur, wanda ya haifar da cavitation. Ci gaba da haifar da kumfa cavitation kumfa a karkashin yanayi mai tsanani, rushewar micro-jet da tasirin tasirinsa wanda ya haifar da tasiri na ciki na rami mai fesa, tare da wucewar lokaci, ciki na ciki na ramin fesa zai samar da shi. fasa da craters, bututun mai na ciki da kwararar atomation za a shafa, kuma a lokuta masu tsanani, bututun zai gaza. Sabili da haka, yana da mahimmanci don nazarin ci gaban cavitation kwarara a cikin bututun ƙarfe da cavitation lalacewa a kan bango na ciki na rami mai fesa.

Ma'auni na geometrical na bututun ƙarfe yana da tasiri mafi girma akan kwararar cavitation da cavitation lalacewa.Shervani et al. da Lee et al. Ƙarshe ta hanyar nazarin kwaikwaiyo cewa haɓakar taper na bututun ƙarfe zai iya rage tasirin kumfa mai kyau a kan lalacewar cavitation a saman ciki na bututun ƙarfe, kuma za a inganta amincin bututun. Lee et al. daga Hanyang University gudanar da gwajin gwaji da kuma gano cewa mafi girma da rabo daga bututun ƙarfe tsawon zuwa diamita, da karin makamashi da ake bukata don samar da cavitation, watau, cavitation ne suppressed kamar yadda tsawon bututun ƙarfe ƙara.Brusiania et al. idan aka kwatanta da wasan kwaikwayo na hydrodynamic na cylindrical da conical nozzles kuma an gano cewa matakin na ciki a cikin bututun ƙarfe yana raguwa sosai, kuma gabaɗayan daidaituwar kwararar ruwa yana inganta sosai. Dangane da tsinkayar haɗarin cavitation, Dular et al. kammala daga binciken su cewa cavitation kumfa kusa da bango zai rushe asymmetrically, da kuma samar da micro-jet tasiri kwarara zuwa bango a gefen nesa daga ciki bango na bututun ƙarfe.Zhang et al. samu wani sabon cavitation lalacewa Hasashen model dangane da ka'idar taro canja wuri kudi tsakanin daban-daban bulan ta nazarin taro canja wurin kudi tsakanin daban-daban bulan da kuma tabbatar da shi a cikin Saukake bututun ƙarfe, amma model ba zai iya daidai hango ko hasashen cavitation hadarin, kuma shi ne ba. yiwu a hango ko hasashen hadarin cavitation. Duk da haka, samfurin ba zai iya samar da daidaitattun ƙididdiga na haɗarin cavitation ba. A halin yanzu, lokacin da ake yin la'akari da haɗarin cavitation lalacewa a cikin bututun ƙarfe, babban abin da aka fi mayar da hankali shi ne kan yankin bututun inda mai yiwuwa cavitation zai iya faruwa da kuma yin la'akari da ƙimar cavitation lalacewa a wurare daban-daban a cikin bututun. Duk da haka, babu wani adadi mai yawa na matakin lalacewa a wuraren da cavitation zai iya faruwa, kuma akwai rashin bincike game da tasirin ma'auni na geometric na bututun ƙarfe akan haɗarin lalacewar cavitation.