.132 北京科技大学学报 2007年增刊2 08 (a) 0.8 (b) 0.6 韩 0.6 04 0.2 0.2 0.5 1.0 1.5 2.0 2.5 0.5 1.01.5 2.0 2.5 水平方向的距离m 水平方向的距离m 1.0 (c) 1.0F (d) 0.8 0.8 DE 0.6 g 0.2 0.2 0.5 1.01.5 2.0 2.5 0.5 1.01.52.0 2.5 水平方向的距离m 水平方向的距离m 图2不同高度位置钢液的流速与透气砖位置的关系.(a)山线；(b)线；(c)山线：()H线 参 考文献 2000 [1]Lopez de Bertodano M.Lahey Jr R T,Jones O C.Phase distri- [3]Sato Y,Sadatomi M.Sekoguchi K.Momentum and heat transfer bution in bubbly two phase flow in vertical ducts.Int J Multi in two phase bubble flow theory.Int J Multiphase Flow.1981.7 phase1ow,1994,20(5).805 (6):167 [2]李炜著.粘性流体的混合有限分析解法。北京：科学出版社 Numerical simulation of argon blowing behaviors of molten steel with purging plug in ladle bottom XUE Wendong,SONG Wen,SUN Jialin,HONG Yanruo School of Materials Science and Engineering,University Science and Technology Beijing.Beijing 100083,China ABSTRACT The blowing behaviors of a refining ladle were studied with purging plug at different positions The flow field of molten steel in the ladle after argon blowing was calculated by a multiphase flow model and multiple regression,and the best position of the purging plug was obtained.The results indicated that the mix- ing effect of argon blowing on molten steel changed greatly with the position of the purging plug at the bottom of the ladle.The molten steel was mixed uniformly by argon bubbling when the distance between the position of the purging plug and the center of the ladle bottom was 0.44 Ro-0.48 Ro. KEY WORDS refining:argon blowing:purging plug:numerical simulation图2 不同高度位置钢液的流速与透气砖位置的关系．（a） H1 线；（b） H2 线；（c） H3 线；（d） H4 线 参 考 文 献 ［1］ Lopez de Bertodano M‚Lahey Jr R T‚Jones O C．Phase distri￾bution in bubbly two-phase flow in vertical ducts．Int J Multi￾phase Flow‚1994‚20（5）：805 ［2］ 李炜著．粘性流体的混合有限分析解法．北京：科学出版社‚ 2000 ［3］ Sato Y‚Sadatomi M‚Sekoguchi K．Momentum and heat transfer in two-phase bubble flow theory．Int J Multiphase Flow‚1981‚7 （6）：167 Numerical simulation of argon blowing behaviors of molten steel with purging plug in ladle bottom XUE Wendong‚SONG Wen‚SUN Jialin‚HONG Y anruo School of Materials Science and Engineering‚University Science and Technology Beijing‚Beijing100083‚China ABSTRACT The blowing behaviors of a refining ladle were studied with purging plug at different positions． The flow field of molten steel in the ladle after argon blowing was calculated by a multiphase flow model and multiple regression‚and the best position of the purging plug was obtained．The results indicated that the mix￾ing effect of argon blowing on molten steel changed greatly with the position of the purging plug at the bottom of the ladle．The molten steel was mixed uniformly by argon bubbling when the distance between the position of the purging plug and the center of the ladle bottom was0∙44R0—0∙48R0． KEY WORDS refining；argon blowing；purging plug；numerical simulation ·132· 北 京 科 技 大 学 学 报 2007年 增刊2