Babban Ingancin Common Rail Injector Control Valve 7206-0379 Domin EUI naúrar injector 20440388 actuator Spare Part
bayanin samfurin
Magana. Lambobi | 7206-0379 |
Aikace-aikace | CAT |
MOQ | 1 PC |
Takaddun shaida | ISO9001 |
Wurin Asalin | China |
Marufi | Shirya tsaka tsaki |
Kula da inganci | An gwada 100% kafin kaya |
Lokacin jagora | 7-15 kwanakin aiki |
Biya | T/T, L/C, Paypal, Western Union ko kamar yadda kuke bukata |
na kowa dogo injector iko bawul 7206-0379
Dangane da k-ε (k shine makamashin motsa jiki mai rudani, ε shine ƙimar rarrabawar turbulence) ƙirar turbulence, wannan takarda tana amfani da ƙimar magudanar mashigin ruwa da matsa lamba a tsaye azaman yanayin lissafin lambobi don kafa ƙirar simulation na lamba na filin kwarara na ciki da diaphragm bawul. An tabbatar da daidaito ta hanyar gwaji. A kan wannan, an yi amfani da samfurin don nazarin halaye na ciki na ciki da kuma rarraba filin matsa lamba na jikin bawul a ƙarƙashin yanayi daban-daban na shigarwa (2.787kg / s zuwa 33.273kg / s), da madaidaicin adadin ma'auni na shigarwa da bawul. an kafa asarar kai. dangantaka. Sakamakon ya nuna cewa: 1) Simulation na lamba zai iya fi dacewa da hasashen asarar kai na jikin bawul a ƙarƙashin yanayi daban-daban. Lokacin da adadin mashigai ya kasance 5.546kg/s, 11.091kg/s da 16.637kg/s bi da bi, kuskuren dangi tsakanin gwajin da kwaikwaiyon lamba shine kawai -6.433%, 4.619% da 7.264%. 2) Ƙarƙashin yanayin kwararar mashigai akai-akai, daga mashigar zuwa mashigar, matsa lamba a cikin tashar kwarara gabaɗaya yana nuna raguwar yanayin. A cikin jikin bawul ɗin, tashar kwararar ruwa tana raguwa saboda toshewar sill ɗin bawul kuma kwararar ta bugi diaphragm don haifar da karkacewa. Babban matsatsi mai tsayi. 3) Bayan da ruwa ya ratsa ta kunkuntar tashar a kan bawul sill, wani fili cavitation zone aka kafa a kasa na bawul jiki, tare da wani backflow sabon abu. Yankin cavitation a ƙasa na jikin bawul ya fi bayyana a cikin yankin ruwa na 1/3 daga kanti. , yayin da kwararar shigarwar ya karu, vortex na ƙasa na jikin bawul ɗin ya zama mai tsanani kuma abin da ya faru na baya ya zama mafi mahimmanci, amma iyakar yankin baya baya karuwa sosai. 4) Dangane da tabbatar da daidaito na samfurin, an yi amfani da samfurin don ƙara nazarin halaye na ciki da kuma rarraba filin matsa lamba na jikin bawul a ƙarƙashin yanayin kwararar mashigai na 18, da kuma kafa dangantakar ƙididdiga tsakanin ma'auni mai yawa Q da Bawul din kai asarar △ P , lokacin da yawan mashigai Q ya kasance daga 2.787kg/s zuwa 15.428kg/s kuma lambar Reynolds daga 37927 zuwa 215984, ma'aunin dacewa shine △P=2076.31Q-7567.49, R2=0.964; Matsakaicin adadin mashigai daga 17.141kg/s zuwa 33.273kg/s, ma'aunin dacewa lokacin da lambar Reynolds ta kasance daga 240097 zuwa 467009 shine △P=5688.02Q-67317.39, R2=0.993 na cibiyar sadarwa bututun ban ruwa.