Kuhlelo lwe-hydraulic, i-cavitation yinto lapho izinguquko ezisheshayo zokucindezela ku-oyela zibangela ukwakheka kwemigodi emincane egcwele umusi ezindaweni lapho ingcindezi iphansi khona. Uma ingcindezi yehla ibe ngaphansi kwezinga lomhwamuko ogcwele ekushiseni kokusebenza kukawoyela, imigodi eminingana egcwele umusi izokhiqizwa ngokushesha. Ngenxa yalokho, inani elikhulu lamabhamuza omoya liholela ekumisweni kukawoyela kumapayipi noma ezintweni ze-hydraulic.
Isenzakalo sokugoba ulwelo ngokuvamile senzeka ekungeneni nasekuphumeni kwevalvu nephampu. Lapho uwoyela ugeleza ngendlela encane yevalvu, izinga lejubane loketshezi liyakhuphuka futhi ingcindezi kawoyela yehle, ngaleyo ndlela kwenzeka ukugoba ulwelo. Ngaphezu kwalokho, lesi simo sivela lapho iphampu ifakwa endaweni ephakeme kakhulu, ukumelana kokumuncwa kukawoyela kukhulu kakhulu ngoba ububanzi bangaphakathi bephayiphi yokumunca buncane kakhulu, noma lapho ukumuncwa kukawoyela kunganele ngenxa yejubane lephampu liphezulu kakhulu.
Amabhamuza omoya, adlula endaweni enomfutho ophezulu ngamafutha, aphuka ngokushesha ngenxa yomzamo womfutho ophezulu, bese kuthi izinhlayiya zoketshezi ezizungezile zibuyisele amabhamuza ngesivinini esikhulu, ngaleyo ndlela ukushayisana kwesivinini esikhulu phakathi kwalezi zinhlayiya kuveza umthelela we-hydraulic kancane. Ngenxa yalokho, ingcindezi kanye nokushisa ngokwengxenye kuyanda kakhulu, okubangela ukuthuthumela nomsindo obonakalayo.
Odongeni olujiyile oluzungezile lapho imigodi iqina khona kanye nobuso bezinto, izinhlayiya zensimbi ezingaphelele ziyawa, ngenxa yokuhlushwa isikhathi eside ngenxa yomthelela we-hydraulic kanye nokushisa okuphezulu, kanye nomzamo wokugqwala kakhulu obangelwa igesi evela ku-oyili.
Ngemva kokubonisa isimo se-cavitation kanye nemiphumela yaso emibi, siyajabula ukwabelana ngolwazi lwethu kanye nokuhlangenwe nakho kokuthi singakuvimbela kanjani ukuthi kungenzeki.
【1】Nciphisa ukwehla kwengcindezi endaweni lapho kugeleza khona ngemigodi emincane kanye nezikhala: isilinganiso sokucindezela esilindelekile sokugeleza ngaphambi nangemva kwemigodi kanye nezikhala singu-p1/p2 < 3.50.
【2】Chaza ububanzi bepayipi lokumunca iphampu ye-hydraulic ngendlela efanele, futhi unciphise isivinini soketshezi ngaphakathi kwephayiphi ngezindlela eziningi; wehlise ukuphakama kokumunca kwephampu, futhi wehlise umonakalo wokucindezela emgqeni wokungena ngangokunokwenzeka.
【3】Khetha i-T-junction esezingeni eliphezulu yokungena komoya bese usebenzisa iphampu yamanzi enomfutho ophezulu njengephampu yokusiza ukuhlinzeka ngamafutha.
【4】Zama ukusebenzisa wonke amapayipi aqondile ohlelweni, ugweme ukujika okubukhali kanye nokuqhekeka okunciphile kancane.
【5】Thuthukisa ikhono lezinto ukuze umelane nokugqwala kwegesi.
Isikhathi sokuthunyelwe: Septhemba-21-2020