Effect of air core on the shape and discharge of the outflow through a bottom outlet

(整期优先)网络出版时间:2013-02-12
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Experimentswereconductedtostudythegenerationofaircoreanditseffectontheoutflowshapeanddischargeinacylindricalwatertankwithabottomwell-designedoutlet.Dependingonthestagesoftheaircoreinthetank,theoutflowshapecanvaryfromasmoothwaterjettoasmoothspindleshapewithair-core,andtowatersprays.Thediameterofthenozzlesizealsohasinfluenceontheoutflowpattern.Theexistenceofthepenetratedaircorecandramaticallyreducetheoutflowdischarge,withthedischargecoefficientdecreasingwiththenozzlediameter.