0445120059 0445120231 I-Common Rail Fuel Injector Ihambisana ne-Cummins SAA6d107e-1 Komatsu PC200-8

I-Dynamic cavitation ngaphakathi komjovo wedizili osebenza kakhulu - uphenyo lokuhlola kanye ne-CFD(Ingxenye 4)

Ikesi elilinganayo elingu-1000Bar liye lalingiswa kusetshenziswa ukwehla kwengcindezi yesikali efanayo njengoba kubalwe Imodeli Yesikali Esikhulu. Ukuze i-cavitation, imodeli yengxube isetshenziswe. Lokhu kuthatha ukuthi kokubili uketshezi kanye nomhwamuko kuhamba ngokugeleza kwe-multiphase okulinganayo; nakuba kungekho ngaphandle kwemikhawulo, kuwukucabangela okuvumelekile kokugeleza kwe-cavitating. Izigaba ezimbili ezingenakucindezelwa ziyamodela, okunengqondo ekwehleni kwengcindezi ephansi esetshenziswa ekumodeleni ngezinga elikhulu.

Ukulingiswa kokucindezela komjovo okulinganayo okungu-1000Bar kunikeze ukuziphatha kwesikhashana okufana nemiphumela yokuhlolwa, njengoba kuboniswe kumfanekiso 3 ngezithombe eziyisishiyagalombili zokuhlola ezivela kumfanekiso 2. Imvamisa ngu-156Hz, okunikeza ukuhlobana okuhle kakhulu nevelu yokuhlola engu-160Hz. Ama-movie wakho kokubili ukugeleza kokuhlola kanye nemiphumela ye-CFD abonisa ukufana okumangalisayo. Isilinganiso senani le-Cd elivela kumodeli eyingxube ye-LES Rans ngu-0.71. Lokhu kunikeza ukuvumelana okuhle kakhulu nevelu elilinganiswa kumodeli yeSikali Esikhulu. Le miphumela inika ukuzethemba ekumodeleni nasekuqinisekiseni okuqinile kwenhlanganisela yesiyaluyalu namamodeli e-CFD ezigaba eziningi. Imininingwane egcwele inikezwe ku-[8].

Imodeli ye-CFD yosayizi wangempela

Imodeli ye-CFD yasetshenziswa ngekesi likasayizi wangempela futhi yakhiqiza ukushaya okufanayo okusondele ku-150 kHz. Imvamisa elindelekile yezibalo zokukala ngu-160 kHz, okuqinisekisa ngokwengeziwe indlela. 5. Ingxoxo Indlela engokoqobo ikhonjisiwe eyenza ukuthi kusetshenziswe imodeli ye-LES CFD ekwenzeni ngcono umkhiqizo. Okunye ukuqinisekiswa kwendlela nakho kubonisiwe, okungajwayelekile ku-LES CFD kulo mkhakha.