摘要
WaterramjetsusingouterwaterasanoxidizerhavebeendemonstratedasapotentialpropulsionmodeforunderwaterHighSpeedSupercavitatingVehicles(HSSVs)becauseoftheirhigherenergydensity,powerdensity,andspecificimpulse,butwaterfluxchangestheshapesofsupercavity.TouncoverthecavitatordragcharacteristicsandthesupercavityshapeofHSSVswithwaterinflowforramjets,supercavitationflowsaroundadiskcavitatorwithinletholearestudiedusingthehomogenousmodel.Bychangingthewaterinflowintherangeof0-10L/sthroughcavitatorshavingdifferentwaterinletareas,aseriesofnumericalsimulationsofsupercavitationflowswasperformed.Thewaterinflowfluxoframjetssignificantlyinfluencesthedragfeaturesofdiskcavitatorsandthesupercavityshape,butithaslittleinfluenceontheslenderratioofsupercavitaty.Furthermore,asthewaterinletareaincreases,thedragcoefficientofthecavitators'frontfacedecreases,butthisincreasedoesnotinfluencethediameterofthesupercavity'smaximumcrosssectionandthedragcoefficientoftheentirecavitatorsignificantly.Inaddition,withincreasingwaterfluxoftheramjet,boththedragcoefficientofcavitatorsandthemaximumdiameterofsupercavitiesdecreasestably.ThisresearchwillbehelpfulforlayoutoptimizationandsupercavitatyschemedesignofHSSVswithwaterinflowforramjets.
出版日期
2017年02月12日（中国期刊网平台首次上网日期，不代表论文的发表时间）
