简介：Basedontheeffectsofseveralcastingparametersonslagentrapmentinthemould(watermodeling),thenumericalmodelingwasresearched.Theresultsshowthattheflowfieldwithasubmergednozzlesectiondimensionof65mm×80mmisbetterthanthatwithasubmergednozzlesectiondimensionof40mm×40mmandisfavorableforavoidingslagentrapment.Inthispaper,lowsurfacevelocity,smalllevelfluctuationandproperimpactdepthcanbeachievedwithanozzleofanoutletangleof25°andanimmersiondepthof150mm,orwithaprototypenozzleofanoutletangleof15°angleandanimmersiondepthof150mm.
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