DICP OpenIR
On the shear viscosity of dilute suspension containing elliptical porous particles at low Reynolds number
Liu, Jiajia1,2; Li, Chenggong1; Ye, Mao1; Liu, Zhongmin1
Corresponding AuthorYe, Mao(maoye@dicp.ac.cn)
KeywordElliptical porous particle Relative viscosity Intrinsic viscosity Lattice Boltzmann model Darcy number
Source PublicationPOWDER TECHNOLOGY
2019-09-01
ISSN0032-5910
DOI10.1016/j.powtec.2019.05.068
Volume354Pages:108-114
Funding ProjectNational Natural Science Foundation of China[91834302]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS SubjectEngineering, Chemical
WOS Research AreaEngineering
WOS KeywordPARTICULATE SUSPENSIONS ; FLOW ; SIMULATION ; EQUATION ; MOTION
AbstractIn view of the significance of non-spherical and permeable particles in liquid-solid and gas-liquid-solid reactors in industrial processes, it is essential to understand and quantify the rheological properties of multiphase flows in these processes. In this study, we investigate the shear viscosity of dilute suspension containing elliptical porous particles at low Reynolds number Re of O(0) by use of a modified lattice Boltzmann model. The fluid flow around and inside an elliptical porous particle is described by the volume-averaged macroscopic governing equations. The relative viscosity is calculated for an elliptical porous particle rotating in a two-dimensional (2D) simple shear flow, based on the relation between the shear stress and the second order moments of non-equilibrium particle distribution function. The effects of porous structure of the elliptical particle on the viscosity and flow field are investigated with different axis ratios in detail. Our results demonstrate that the relative viscosities of dilute suspension containing elliptical porous particles increase linearly with solid volume fraction at various Darcy number for particles with varying axis ratios. Moreover, a simple empirical expression for intrinsic viscosity is proposed as a function of Darcy number. (C) 2019 Elsevier B.V. All rights reserved.
Language英语
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS IDWOS:000490625500011
PublisherELSEVIER
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Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/172593
Collection中国科学院大连化学物理研究所
Corresponding AuthorYe, Mao
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Engn Lab MTO, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Jiajia,Li, Chenggong,Ye, Mao,et al. On the shear viscosity of dilute suspension containing elliptical porous particles at low Reynolds number[J]. POWDER TECHNOLOGY,2019,354:108-114.
APA Liu, Jiajia,Li, Chenggong,Ye, Mao,&Liu, Zhongmin.(2019).On the shear viscosity of dilute suspension containing elliptical porous particles at low Reynolds number.POWDER TECHNOLOGY,354,108-114.
MLA Liu, Jiajia,et al."On the shear viscosity of dilute suspension containing elliptical porous particles at low Reynolds number".POWDER TECHNOLOGY 354(2019):108-114.
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