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典型文献
Identification of flow regimes and determination of the boundaries for magnetized fluidized bed with Geldart-B particles
文献摘要:
The magnetized fluidized bed(MFB)with Geldart-B particles exhibits many distinct flow regimes depend-ing on the magnetic field intensity(H)and gas velocity(Ug).The identification of these regimes was reviewed for the MFB with magnetizable particles and that with binary admixture of magnetizable and nonmagnetizable particles.Meanwhile,methods for determining the boundaries between two adjacent flow regimes were clarified.The MFB state was found to depend not only on H and Ug but also on their application sequence(i.e.,operation mode)within certain operating zones.The dependence feature arose from that the MFB therein could have different equilibrium states for the same combination of H and Ug.Furthermore,such a polymorphic characteristic of the MFB was revealed to result from the internal friction among the particles that were in unfluidized/packed state.Many of the MFB states were demon-strated to be in metastable equilibrium.Nevertheless,they differed significantly from the metastates well-known in the discipline of physical chemistry,such as supercooling and superheated.In fact,they belonged to the amorphous/glass state.This review will deepen our hydrodynamic understanding of the MFB and further promote its commercial application in the chemical and biochemical industries.
文献关键词:
作者姓名:
Quanhong Zhu;Hengjun Gai;Hongbing Song;Meng Xiao;Tingting Huang;Weikang Hao
作者机构:
College of Chemical Engineering,Qingdao University of Science and Technology,Qingdao 266042,China;Qingdao Institute of Bioenergy and Bioprocess Technology,Chinese Academy of Sciences,Qingdao 266101,China;College of Chemical Engineering,Hebei University of Technology,Tianjin 300401,China
引用格式:
[1]Quanhong Zhu;Hengjun Gai;Hongbing Song;Meng Xiao;Tingting Huang;Weikang Hao-.Identification of flow regimes and determination of the boundaries for magnetized fluidized bed with Geldart-B particles)[J].颗粒学报(英文版),2022(12):75-89
A类:
magnetizable,nonmagnetizable,unfluidized,metastates,superheated
B类:
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AB值:
0.526899
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