1. State Key Laboratory of Multiphase Flow in Power Engineering; Xi'an Jiaotong University; Xi'an Shaanxi 710049 P.R. China
2. State Key Laboratory of Multiphase Complex Systems; Institute of Process Engineering, Chinese Academy of Sciences; Beijing 100190 P.R. China
3. School of Chemical Engineering, Sichuan University; Chengdu Sichuan 610065 P.R. China