Dizilo Injector Fuel Injector 03L130277B 5ws40539 A2C59513554 Siemens for Audi Seat Skoda VW

Cavitation M'kati mwa High-Pressure Optically Transparent Fuel Injector Nozzles(GAWO 5)

Kuti muwunike, kuthamanga kwa jekeseni wa chipangizo chenicheni (800 bar) kudayikidwa ngati malire amkati mwa chidutswa cha acrylic nozzle. Poganizira kuti zida zomwe zimawonongeka nthawi zambiri zimalephera kulimba, zida za safiro zidawonjezedwa pamapangidwewo kuti akanikizire mphuno kuchokera kunja ndikuchepetsa mphamvu zolimba zamkati. Popeza zotsekerazo zinali kunja kwa mphuno, zida zowoneka bwino zidayenera kugwiritsidwa ntchito pomanga.

Sapphire idasankhidwa chifukwa cha kulimba kwake. Mwanjira ina, izi zidapangitsa kuti miyala ya safiro ikhale yolimba m'zigawo zonyamula katundu wa nozzle, ngakhale kuti chidutswa chomwe chiwongolerocho chidayikidwa mwachindunji chidapangidwa ndi acrylic.

Mapangidwe omaliza okhala ndi zingwe za safiro za 3, zopangidwa ndi kusonkhana, zikuwonetsedwa mu Chithunzi 1. Miyeso yakunja ya nozzle ndi 21.5 mm poyang'ana mu Chithunzi 1 ndi 6.75mm kumbali yowongoka. Zisindikizo za O-ring zimagwiritsidwa ntchito mbali zonse za nozzle.

3 Zotsatira ndi Zokambirana

Mapangidwe awa adayesedwa ndi mafuta a dizilo operekedwa ndi pampu ya pistoni yobwereketsa malonda yokhala ndi magawo atatu, yoyendetsedwa ndi mota yayikulu yamagetsi. Kutalika kwa jekeseni koyambirira kunayikidwa ku 250ms, koma miyeso ya mphamvu ya sac ya sac imasonyeza kuti pampuyo sinathe kupirira kukakamiza kolamulidwa kwa nthawi yonseyo. Nthawi yoperekera jakisoni inali pafupifupi 100ms, ndipo kuthamanga kwa jakisoni kunachepa pang'onopang'ono panthawiyi.

Kuthamanga mkati mwa mphuno kunagwidwa mu kasinthidwe ka transillumination ndi Phantom V1210 kamera yothamanga kwambiri. Chifukwa chozunguliracho chinali pampando wammbuyo wam'mlengalenga, kutuluka kwa m'mphepete mwa nyanja kunali kosavuta. Chithunzi choyimira ndi jekeseni wa 350 bar chikuwonetsedwa mu Chithunzi 2. Kanema wathunthu wa kayendedwe ka mkati komanso dera la orifice orifice ndi mapangidwe a spray pa chikhalidwe chothamanga ichi chaperekedwanso. Mayendedwe awa ali pa chiwerengero cha Reynolds pafupifupi 85,000.