NUMERIČNE IN EKSPERIMENTALNE RAZISKAVE PREHODNEGA KAVITACIJSKEGA TOKA V CEVI
Povzetek
Prispevek obravnava prehodni parni kavitacijski tok induciran z zapiranjem dolvodnega kroglastega zapirala v sistemu pod pretokom. Računski rezultati so primerjani z rezultati meritev v preprosti preizkusni postaji, ki jo sestavljajo rezervoar, cevovod in zapiralo. Tlaki merjeni na dolvodnem in gorvodnem delu cevi in tlaka merjena na ekvidistantnih dolžinah vzdolž cevi so primerjani z izračunom kot piezometrične višine. Rezultati meritev in izračunov dobljenih s pomočjo naprednega diskretnega plinskega kavitacijskega modela za dva posebna primera pretrganja kapljevinskega stebra se dobro ujemajo. Prvi primer zajema aktivno obliko pretrganja stebra, drugi primer pa predstavlja pasivno obliko pretrganja.
Prenosi
Literatura
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