1 B.G. Thomas, Q. Yuan, S. Sivaramakrishnan, T. Shi, S.P. Vanka and M.B. Assar, ISIJ International 41(10) (2001) 1262. 2 S.K. Choudhary and D. Mazumdar, ISIJ International 34(7) (1994) 584. 3 S.K. Choudhary and D. Mazumdar, Steel Research 66(5) (1995) 199. 4 J. Szekely and R.T. Yadoya, Metallurgical Transaction 4(5) (1973) 1379. 5 B.E. Launder and D.B. Spalding, Comp. Meth. Appl. Mech. Eng. 3 (1974) 269. 6 J. Smagorinsky, The Basic Experiment. Monthly Weather Review 91 (1963) 99. 7 Y. Tanizawa, M. Toyoda, K. Takatani and T. Hamana, Review of Metal 90(8) (1993) 993. 8 I. Sawada, Y. Kishida, K. Okazawa and H. Tanaka, Tetsu-to-Hagane 79(2) (1993) 160. 9 W. Rodi, AIAA Journal 20(7) (1982) 872. 10 W.Q. Tao, Numerical Heat Transfer (Xi'an Jiaotong University Press, Xi'an, 1995) p.628 (in Chinese). 11 B.K. Li, T. Okane and T. Umeda, Metallurgical and Materials Transaction B 31(6) (2000) 1491.