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Using the four-equation of linear spring-dashpot discrete element method and considering effect of the liquid bridge, the mixing and segregation process of size-type binary wet particulate system in a rotating horizontal drum is simulated. The effect of interstitial liquid on the mixing and segregation process is discussed. To assess the accuracy of the simulation result, some comparisons are made with the experimental date in the literature. The simulation results show that the liquid bridge between particles plays an important role in mixing and segregation process, and that the cohesion force induced by liquid-bridge leads to the formation of agglomerates of particles. As a result, segregation may be mitigated and mixing may be enhanced, and the network distribution of the contact forces is more uniform in wet particulate system.
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Keywords:
- wet particulate systems /
- mixing /
- segregation /
- discrete element method
[1] Zhao Y Z, Jiang M Q, Zheng J Y 2009 Acta Phys. Sin. 58 1812(in Chinese) [赵永志、江茂强、郑津洋 2009 58 1812]
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[4] [5] Zuriguel I, Gray J M N T, Peixinho J, Mullin T 2006 Phys. Rev. E 73 061302
[6] [7] Hill K M, Gioia G, Amaravadi D 2004 Phys. Rev. Lett. 93 224301
[8] Meier S W, Barreiro D A M, Ottino J M, Lueptow R M 2008 Nat. Phys. 4 244
[9] [10] [11] Hill K M, Jain N, Ottino J M 2001 Phys. Rev. E 64 011302
[12] [13] Mitari N, Nori F 2006 Adv. Phys. 55 1
[14] Li H M, Mccarthy J J 2003 Phys. Rev. Lett. 90 184301
[15] [16] Li H M, Mccarthy J J 2005 Phys. Rev. E 71 021305
[17] [18] [19] Li H M, Mccarthy J J 2006 Powder Technol. 164 58
[20] [21] Chou S H, Liao C C, Hsiau S S 2010 Powder Technol. 201 266
[22] [23] Mccarthy J J, Khakhar D V, Ottino J M 2000 Powder Technol. 109 72
[24] [25] Mccarthy J J 2003 Powder Technol. 138 63
[26] Zhao Y Z, Cheng Y 2008 Acta Phys. Sin. 57 322 (in Chinese) [赵永志、程 易 2008 57 322]
[27] [28] [29] Zhao Y Z, Zhang X Q, Liu Y L, Zheng J Y 2009 Acta Phys. Sin. 58 8386 (in Chinese) [赵永志、张宪旗、刘延雷、郑津洋 2009 58 8386]
[30] [31] Mehrotra V P, Sastry K V S 1980 Powder Technol. 25 203
[32] Lian G P, Thornton C, Adams M J 1993 J. Colloid. Interf. Sci. 161 138
[33] [34] [35] Chen Y C, Zhao Y Z, Gao H L, Zheng J Y 2010 Particuology 9 374
[36] Yang R Y, Zou R P, Yu A B 2003 AIChE J. 49 1656
[37] [38] Yang S C, Hsiau S S 2001 Chem. Eng. Sci. 56 6837
[39] -
[1] Zhao Y Z, Jiang M Q, Zheng J Y 2009 Acta Phys. Sin. 58 1812(in Chinese) [赵永志、江茂强、郑津洋 2009 58 1812]
[2] [3] Hill K M, Khakhar D V, Gilchrist J F, McCarthy J J, Ottino J M 1999 Proc. Natl. Acad. Sci. 96 11701
[4] [5] Zuriguel I, Gray J M N T, Peixinho J, Mullin T 2006 Phys. Rev. E 73 061302
[6] [7] Hill K M, Gioia G, Amaravadi D 2004 Phys. Rev. Lett. 93 224301
[8] Meier S W, Barreiro D A M, Ottino J M, Lueptow R M 2008 Nat. Phys. 4 244
[9] [10] [11] Hill K M, Jain N, Ottino J M 2001 Phys. Rev. E 64 011302
[12] [13] Mitari N, Nori F 2006 Adv. Phys. 55 1
[14] Li H M, Mccarthy J J 2003 Phys. Rev. Lett. 90 184301
[15] [16] Li H M, Mccarthy J J 2005 Phys. Rev. E 71 021305
[17] [18] [19] Li H M, Mccarthy J J 2006 Powder Technol. 164 58
[20] [21] Chou S H, Liao C C, Hsiau S S 2010 Powder Technol. 201 266
[22] [23] Mccarthy J J, Khakhar D V, Ottino J M 2000 Powder Technol. 109 72
[24] [25] Mccarthy J J 2003 Powder Technol. 138 63
[26] Zhao Y Z, Cheng Y 2008 Acta Phys. Sin. 57 322 (in Chinese) [赵永志、程 易 2008 57 322]
[27] [28] [29] Zhao Y Z, Zhang X Q, Liu Y L, Zheng J Y 2009 Acta Phys. Sin. 58 8386 (in Chinese) [赵永志、张宪旗、刘延雷、郑津洋 2009 58 8386]
[30] [31] Mehrotra V P, Sastry K V S 1980 Powder Technol. 25 203
[32] Lian G P, Thornton C, Adams M J 1993 J. Colloid. Interf. Sci. 161 138
[33] [34] [35] Chen Y C, Zhao Y Z, Gao H L, Zheng J Y 2010 Particuology 9 374
[36] Yang R Y, Zou R P, Yu A B 2003 AIChE J. 49 1656
[37] [38] Yang S C, Hsiau S S 2001 Chem. Eng. Sci. 56 6837
[39]
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