固液密度比对PMMA/HDPE悬浮液粘度的影响

doi:10.11896/cldb.19090224

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Abstract The solid-liquid density ratio is a key parameter to affect the viscosity of suspension.It is of great significance to predict the viscosity of suspension for material flotation. Based on the experimental method, the effect of solid-liquid density ratio of two different densities PMMA/HDPE particle suspensions on the viscosity of the suspension is studied. The results show that under the same particle fraction, the viscosity of the suspension decreases with the increase of solid-liquid density ratio; and the viscosity growth rate under the low solid volume fraction is lower than the viscosity growth rate under the high solid volume fraction; the smaller the particle size, the viscosity of the suspension the faster the increase in the solid-liquid density ratio is reduced. Within the experimental conditions, the corresponding modified model is obtained by using the Batchelor model and the Leighton model for the PMMA/HDPE suspension, and the accuracy of the modified model is verified.

Key words： suspension solid-liquid density ratio Batchelor model Leighton model viscosity

Published: 23 February 2021

CLC number:

O373

Fund:This work financially supported by the Fundamental Research Funds for the Central Universities(N180904007).

Corresponding Authors: neugeng@163.com

About author:: Jie Liang is pursuing his Master of Power Engineering degree in the Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education at Northeas-tern University, focusing on the research of suspension rheological characteristics.
Dianqiao Geng received his Ph.D. degree in Northeas-tern University, Associate Professor Dianqiao Geng has long been focused on the theory and application of multiphase flow and electromagnetic metallurgy. He has published more than 50 papers and filed more than 10 patents in the relevant fields.

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Cite this article:

LIANG Jie,GENG Dianqiao,ZHANG Qun. Effect of Solid-Liquid Density Ratio on Viscosity of PMMA/HDPE Suspension[J]. Materials Reports, 2021, 35(4): 4181-4185.

URL:

http://www.mater-rep.com/EN/10.11896/cldb.19090224 OR http://www.mater-rep.com/EN/Y2021/V35/I4/4181

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