NUMERICAL SIMULATION OF MOLTEN POOL AND CONTROL STRATEGY OF KISS POINT IN A TWIN-ROLL STRIP CASTING PROCESS

金属学报(英文版), 2008, 21(6): 459-468.

^1, , ^2, , ^3, , ^4, , ^5, , ^6,

1.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

2.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

3.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

4.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

5.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

6.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

基金项目: National Key Research Development Planning Project of China(2004CB619108)

NUMERICAL SIMULATION OF MOLTEN POOL AND CONTROL STRATEGY OF KISS POINT IN A TWIN-ROLL STRIP CASTING PROCESS

G.M. Cao ^1, , C.G. Li ^2, , Z.Y. Liu ^3, , D. Wu ^4, , G.D. Wang ^5, , X.H.Liu ^6,

1.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

2.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

3.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

4.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

5.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

6.State Key Laboratory of Rolling & Automation, Northeastern University, Shenyang 110004, China

Keywords： Twin-roll strip casting

Coupled turbulent flow, temperature fields of the twin-roll casting strip process were simulated by three-dimensional finite element method. Based on the heat balance calculation and using inverse methods between the simulations and real experiments,the relational models among casting speed, location, and coefficient of heat transfer between molten metal and rolls in different regions are given. In the simulation, the calculated surface temperatures are in good agreement with the measured values. An on-line model of kiss point is derived by simulations and the geometry of molten pool,corresponding control strategy is also proposed.

参考文献

[1]	K.Schwerdtfeger .Benefits, Challenges and Limits in New Routes for Hot Strip Production[J].ISIJ International,1998(8):852-861.
[2]	A L Robson;G L Thompson .Direct Casting of thin strip[J].Materials World,1995(5):222-224.
[3]	Y.K. Shin;T. Kang;T. Reynolds .Development of twin roll strip caster for sheet steels[J].Ironmaking & Steelmaking: Products and applications,1995(1):35-44.
[4]	T.Kuster;C.Editor .Advances in strip-casting carbon and stainless[J].New steel,1996(11):68-74.
[5]	Y.C.Miao;H.S.Di;X.M.Zhang;G.D.Wang and X.H.Liu .[J].Acta Metallargica Sinica,2000,36(10):1109.
[6]	X. M. Zhang;Z. Y. Jiang;L. M. Yang;X. H. Liu;G. D. Wang;A. K. Tieu .Modelling of coupling flow and temperature fields in molten pool during twin-roll strip casting process[J].Journal of Materials Processing Technology,2007(0):339-343.
[7]	L.Strezov .Experimental Studies of Interfacial Heat Transfer and Initial Solidification Pertinent to Strip Casting[J].ISIJ International,1998(9):959-966.
[8]	H.Yasunaka;K.Taniguchi;M.Kokita .[J].ISIJ International,1995,35(06):784.
[9]	S.Hirano;K.Yasuda;H.Kodama;T.Kimura .[J].J ISIJ,1993,79(06):41.
[10]	J.A.Burgo;T.J.Conarty;J.W.Hlinka .[J].Iron and Steel Engineer,1990,67(07):51.
[11]	C.G.Kang;Y.D.Kim .[J].J Mater Process Technoi,1998,84:210.
[12]	J.W.Bae;C.G.Kang;S.B.Kang .[J].J Mater Process Teehnol,2007,188:1.
[13]	W.S.Kima;D.S.Kimb;A.V.Kuznetsov .[J].International Journal of Heat and Mass Transfer,2000,2000(43):3811.
[14]	B.E.Launder;D.B.Spalding .[J].Comput Methods Appl Mec Eng,1974,3:269.
[15]	T.Evans;L.Strezov .[J].Metallurgical and Materials Transactions,2000,B31(05):1081.
[16]	K.S.Hong;J.G.Kim;M.Tomizuka .[J].Control Eng Pract,2001,9(09):933.
[17]	S.Bernhard;M.Enning;H.Rake .[J].Control Eng Pract,1994,2(06):961.

上一张下一张

上一张下一张

计量

下载量()
访问量()

作者相关

在本站搜索
在百度学术搜索
在万方数据库搜索
在CNKI搜索

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%