浸入式水口內旋流導向裝置的實驗研究

1、武漢科技大學碩士學位論文浸入式水口內旋流導向裝置的實驗研究姓名：朱志強申請學位級別：碩士專業(yè)：鋼鐵冶金指導教師：于學斌劉振清20060518武漢科技大學碩士學位論文摘要AbstractThisresearchdevelopsanewSENAccordingtothewatermodelstudy，whenthesteelflowsthroughthenozzle，thekineticenergyoftheflowissufficient

2、lyutilized，andtheflowfluidinmouldisalsoimprovedTheresultsofthewatermodelasfollows：I)Attheprimitiveconditions。whenthebottomofthenozzleisconvexandtheSENdonotsetthe，themeniscussurface’sfluctuation，theaveragewaveofthesurface

3、andtheflowimpactingthemould’SnarrowwallarecomparativelygreatTheyareindividually015cm0119cmand0202kpa2)Accordingtotheresultsoftheorthogonalanalysis。theimmersiondepthhasobviouseffectsonthemeniscussurface’Sfluctuation，‘thea

4、veragewaveofthesurfaceandtheflowimpactingthemould’Snarrowwallwhenthenozzle’SbottomisconvexIngeneral，whentheimmersiondepthisgetlarge。theaboreamountsarelow，andtheeffectsareobviousMoreover，therotationangle，thelength，thesett

5、ingheightandthesettingangleoftherotationalflowguidedevicehavealsoeffectsontheaboveamounts，buttherotationdirectionandthethicknessoftherotationalflowguidedevicehavelittleeffectsontheaboveamounts3)Thebottomofthenozzlehasobv

6、iouseffectsontheflowfluidinthemouldIfotherconditionswerethesame，amongthethreebottomofthenozzle，theconvexbottomhasthelargestimpacteffectsonthemould’SnarrowwallbutithastheleastwaveofthesurfaceTheconcavebottomhastheleastimp

7、acteffectonthemould’SnarrowwallbuthasthelargestfluctuationofthesurfaceTheflatbottomhasthemiddleimpacteffectsonthemould’Snarrowwallandthemiddlefluctuationofthesurface4)ThebottomofSENisconcaveandthepreferredrotationalflowg

8、uidedeviceisBThestructureandtheprocessingparametersofrotationalflowguidedeviceBarea=a4，L=I875，H=O，d=d3。6=52，左旋，B=0。。Comparedwiththeexperimentalresultsoftheprimitiveconditions，theimpacteffectonthemould’Snarrowwallreducedb