Vol.19 No.6 吴洁等：连铸结晶器内钢液弯月面区域速度场的测定 ·529· (2)提高拉速，使得正滑脱期内弯月面区域液态金属的速度减小，而负滑脱期内弯月面区域 液态金属的速度增大， (3)电磁场对弯月面区域液态金属的运动速度有所抑制. (4)结晶器采用小振幅可以降低弯月面区域液态金属的运动速度， 参考文献 1 Rov S S,Cramb A W,Hoburg J E.Mathematical Modeling of Meniscus Shapes of Liquid Steel in An Electromagnetic Field.ISS Transactions,1995,16(1):65 2 Hong Sha.Dynamic Behavior of a Liquid/Liquid Interface at an Oscillating Wall.Metallurgical and Materials Transactions B,1996,27B:305 3 Tingju Li,Shinji Nagaya.Study of Meniscus Behavior and Surface Properties during Casting in a High-Frequency Magnetic Field.Metallurgical and Materials Transactions,1995,26B:353 4 Tingji Li.Improvement of Surface Quality of Continuous Cast Metal by Imposing an Intermittent High Frequency Magnetic Field from the Outsider of a Mold.In:The First Intemational Congress on Science Technology of Steelmaking ICS'96,China-Japan.1996 5 Beitelman L,Mulcahy J A.Flow Control in the Meniscus of Continuous Casting Mold with An Auxiliary A C Magnetic Field.In:Intemational Symposium on Electromagnetic Processing of Materials.Nagoya:ISIJ, 1994 6李廷举.间欠型高周波磁场②印加扫上心毛一儿下才之L一之ョ之上刀同期印加仁上力连铸片表面性 状の改善.铁上钢，1996,82(3)：21 7贾光霖.液体金属运动二维测速装置.中国专利，91222597.1991-01-11 8 Pinheiro CA.Mold Flux for Continuous Casting of Steel.I&SM.1995(10):54 Measurement of Velocity Field in Meniscus Zone in Mold of Continuous Caster Wu Jie)Zhao Pei)Cheng Guoguang Wang Linving Jia Guanglin Zhang Guozhi Gao Yunyan 1)Metallurgy School.UST Beijing,Beijing 100083.China 2)North East University.Shenyang 110006 ABSTRACT Velocity field in meniscus zone in mold is studied on the c.c.simulator.Low melting point Pb-Sn-Bi alloy and silicon oil are adopted as simulators of molten steel and slag, respectively.It is shown that the liquid metal in meniscus zone flows toward the mold wall during the positive-strip period and flows away from the mold wall during the negative-strip period.It is also found that the flow velocity at meniscus increases during the positive-strip period and decreases during the negative-strip period at higher casting speed. KEY WORDS continuous casting,meniscus,velocity field,simulation,moldv fo . 19 No .6 昊洁等 :连铸 结晶器内钢 液弯月 面 区域 速度场 的测定 . 5 29 . ( 2) 提高 拉速 , 使得 正 滑脱 期 内弯 月 面 区域 液态 金 属的速 度 减小 , 而负 滑脱期 内弯 月面 区 域 液态金 属 的速度 增大 . (3 ) 电磁场对弯月 面 区域 液 态金 属 的运动 速度 有所 抑制 . (4 ) 结晶器 采 用小振 幅 可 以 降低 弯月 面 区域 液 态金 属的 运动速 度 . 参 考 文 献 1 oR v S S , C amr b A W , oH b u r g J E . M a hte m a it e al M de e li n g o f M e n i s e us S h a pe s o f iL q正 d s te e l i n A n lE e c otr m ag n e it e R e l d . 15 5 T arn s ac it o n s , 19 9 5 , 1 6 ( l ) : 6 5 2 oH n g s h a . 切 n am i c B e h a v i o r o f a iL q山 d/ L i q山d I n et far e e a t an Os e i l liat n g W al l . M e at l 1 u r g 1 e al an d M a t e ir al s T ar n s ac it o n s B , 1 9 9 6 , 2 7 B : 3 05 3 T i n gj u iL , Sih nj i N a g ay a . S tu dy o f M e n i s c us B e h a v i o r a n d S u 成址 e P r o pe irt e s d u ir n g C as it n g i n a 任g h 一 f ’re q u e cn y M a g ne it e R e l d . M e at l l u gr i c al an d M a te ir a l s T ar n s即 it o n s , 19 9 5 , 2 6B : 3 5 3 4 iT gnj i L i . Im Por v e m e n t o f s u d油e e QalU i ty o f C o n it n u o u s C a s t M e atl b y mI op s i n g an I n te rml te n t 托g h f 、℃ q ue n e y M a g ne it c R e ld ofr m ht e o u ts i d e r o f a M o ld . I n : 们l e R rs t I n te m iat o n al C o n g re s s o n S c i e cn e & eT e hn o l o g y o f S te e l m 巍 n g IC S , 9 6 , C hi n a 一 J a Pa ll . 1 9 q 6 5 B e i et l m an L , M u l e ha y J A . lF o w C o n otr l i n ht e M e in s c us o f oC n it n uo us C a s it n g M o 1d w i ht nA A ux il i a yr A C M a g ne it e R e l d . nI : nI et m a it o n al S y m po s ium o n E l e e otr m ag n e it e P r oc e s s i ng o f M a t e ir al s . N 白g o y a : 15 1 , 1 9 94 6 李廷举 . 间欠 型高周 波磁场 。 印加打 止 梦 毛 一沙 「 才 , 卜 一 乡 日 夕 七 刃 同期印加 忆 止 而 连铸片表面性 状 。 改善 . 铁 七 钢 , 1 9 9 6 , 8 2 ( 3 ) : 2 1 7 贾光霖 . 液体金属运 动二维测速装置 . 中国专利 , 9 1 2 2 2 5 97 . 19 91 一 1一 1 8 巧 n 卜e lor C A . M o 1d lF ux fo r C o n it n u o us C as it n g o f S et e l . I& S M , 19 9 5 ( 1 0 ) : 5 4 . M e a s u r e m e n t o f V e l o e ity F i e l d i n M e n i s e u s Z o n e i n M o l d o f C o n t i n u o u s C a s t e r 肠 油 1) 及 a o 丹 1 1 ) 。 e n g ` u o g u a n g l ) 肠 n g 刀脚in g l ) iJ a G u a n g lin Z ) 及 a n g G u o 动 1 2 ) G a o 撇柳 a n Z ) l ) M e at l l u r g y S e h o o l , t J S T B e ij i n g , B e ij i n g 10 0 0 8 3 , C h i n a Z )No hrt 肠 s t U n i v e sr , yt , S h e n y a n g 11 00 0 6 A B ST R A C T V e l oc ity if e l d i n m e n i s e u s z o n e i n m o l d 1 5 s tu d i e d o n t h e e . e . s im u l a to r . L o w m e lit n g po i n t P-b S n 一 B i a ll o y a n d s i li e o n 0 11 a re a d o P te d a s s im u l a to rs o f m o lte n s te e l a n d s l a g , er s pe e it v e l y . I t 1 5 s h o w n ht a t ht e li q 证d m e at l i n m e n i s c u s z o n e fl o w s t o w a dr ht e m o ld w a ll d u ir n g het po s iit v e 一 s itr P pe ir do a n d fl o w s aw ay for m ht e m o ld w al l d u ir n g ht e n e g a it v e 一 s itr P pe ir o d . l t i s al s o fo u n d ht a t ht e fl o w v e l co i yt a t m e n i s e u s i n e er as e s d u ir n g t h e P o s iit v e 一 s tir P pe ir o d a n d de e er as e s d u ir n g ht e n e g a it v e 一 s itr P pe ir o d a t hi g h e r c a s it n g s pe e d . K E Y W O R D S e o n it n u o u s c as it n g , m e n i s c u s , v e l co i yt fl e ld , s im u l a t i o n , m o l d