Ta yaya injin dizal tri-turbo BMW 50d yake aiki?
Idan tsarin tagwaye-turbo taro ne da aka sani da jeri ko layi daya, yakamata a lura da bangaren fasaha na BMW's tri-turbo, wanda dan kadan ya haɗu da fasahohin biyu. Da fatan za a lura, idan ba ku da masaniya game da turbochargers, Ina gayyatar ku don duba nan.
Ta yaya wannan injin turbo uku ke aiki?
Da farko, ya kamata a lura da cewa wannan supercharging tsarin ya ƙunshi kananan turbines guda biyu (1 da 3 a cikin zane) tare da m geometry, da kuma babban misali turbocharger (2 a cikin zane). Kowane ɗayan na ƙarshe yana kunna wasu gudu, sannan ana gano su akai-akai a cikin manyan halaye (da kyau, idan zaku iya kiran shi babban gudu, saboda dizels ba su taɓa yin girma sosai…).
A low resi, da ke ƙasa da 1500 rpm, farkon turbo (ɗaya daga cikin ƙananan ƙananan geometry) ana buƙatar ta daga waje har yanzu yana wucewa ta babban Turbo). Ko da har yanzu bai yi aiki ba a cikin wannan kewayon gudun). Daga nan kuma, daga 1500 rpm, babban kuma yana harbawa, saboda shaye-shayen da ke gudana yanzu ya isa yaji. Ka tuna cewa ba a kunna turbines guda uku tare daga farkon yanayin ba, saboda a cikin wannan yanayin numfashi ba shi da mahimmanci ga aikin compressors guda uku. A ƙarshe, a 2500 rpm, na uku na iya ƙarshe fara aiki godiya ga buɗewar damper (wanda ake kira bypass), wanda ke ba da damar isar da iskar gas zuwa wannan turbocharger (saboda ina tunatar da ku cewa shine makamashin da ke ba ku damar tuki. inji). turbo shine "iska" da iskar gas ke samarwa).
Daga ra'ayi na gine-gine, za mu iya tunanin turbines 1 da 2 kamar yadda suke cikin jerin abubuwa game da juna, yayin da turbines 1 da 3 (ƙanana biyu) suna cikin layi daya.
A farkon, kwararar iskar iskar gas tana da matsakaici, don haka ƙaramin injin turbine yana ɗaukar matakin farko na haɓakawa.
Tuni a 1500 rpm, injin yana haɓaka juzu'i na 650 Nm!
Injin yana haɓaka 740 Nm (!) daga 2000 zuwa 3000 rpm, abin mamaki idan aka kwatanta da ("kawai") 381 hp da aka samar.
Anan ga raye-rayen BMW na hukuma yana bayanin yadda yake aiki:
Animation tare da BMW turbo dizal engine sau uku - M550d xDrive
Dogaro?
Reviews na wannan sosai kadan-sanin engine iya zama maras kyau. Abu daya, ko da yake, shi ne cewa injin da ake so a zahiri zai yuwu koyaushe ya zama abin dogaro fiye da injin turbocharged, musamman idan akwai uku daga cikinsu!
BMW Sheets
Duk tsokaci da martani
karshe sharhin da aka buga:
Fifi77 (Kwanan wata: 2018 08:25:09)
Babban "shirin iskar gas"…… a Faransa don 80 km / h akan hanya!
Ina I. 1 amsa (s) ga wannan sharhin:
- Admin ADAMIN JAHAR (2018-08-25 10:10:08): Gaskiya kadan, amma bari mu fuskanci shi a ko'ina. Mafi muni shine Amurka, inda ba zai yiwu a tuƙi ko da na 110 da mota ba.
(Za a iya ganin post ɗinku a ƙarƙashin sharhin bayan tabbaci)
Rubuta sharhi
Nawa aka kashe maku bita na ƙarshe?
