[3] Machac I et al 1998 Chem. Eng. Proc. 37 169

[4] Woods J K et al 2003 J. Non-Newtonian Fluid Mech.
111 211

[5] Balhoff M T and Thompson K E 2006 Chem. Eng. Sci.
61 698

[6] Wheatcraft S W and Tyler S W 1988 Water Resour. Res.
24 566

[7] Yu B M and Cheng P 2002 Int. J. Heat Mass Transfer
45 2983

[8] Govier G W and Aziz K 1972 The Flow of Complex
Mixtures in Pipes (New York: Krieger)

[9] Yu B M and Li J H 2004 Chin. Phys. Lett. 21
1569

[10] Yu B M 2005 Chin. Phys. Lett. 22 158
[1] Feng S X and Fu S 2007 Chin. Phys. Lett. 24
759

[2] Zheng L C, Zhang X X and Lu C Q 2006 Chin. Phys.
Lett. 23 3301

[3] Machac I et al 1998 Chem. Eng. Proc. 37 169

[4] Woods J K et al 2003 J. Non-Newtonian Fluid Mech.
111 211

[5] Balhoff M T and Thompson K E 2006 Chem. Eng. Sci.
61 698

[6] Wheatcraft S W and Tyler S W 1988 Water Resour. Res.
24 566

[7] Yu B M and Cheng P 2002 Int. J. Heat Mass Transfer
45 2983

[8] Govier G W and Aziz K 1972 The Flow of Complex
Mixtures in Pipes (New York: Krieger)

[9] Yu B M and Li J H 2004 Chin. Phys. Lett. 21
1569