Estimation of the Parameters of the Porous Structure of Powder Materials

Based on the globular model with the use of the values of porosity and particle size, a method is presented for calculating the structure parameters of porous monofractional powder composite materials for filters. A formula for determining the average (hydraulic) radius of the capillaries of permeab...

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Bibliographic Details
Published in:Journal of engineering physics and thermophysics 2022-03, Vol.95 (2), p.495-498
Main Author: Kryuchkov, Yu. N.
Format: Article
Language:English
Subjects:
Analysis
Blood vessels
Capillaries
Classical Mechanics
Complex Systems
Composite materials
Engineering
Engineering Thermodynamics
Fluid filters
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
Parameters
Particulate composites
Permeability
Porosity
Porous materials
Powders
Thermodynamics
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Summary:Based on the globular model with the use of the values of porosity and particle size, a method is presented for calculating the structure parameters of porous monofractional powder composite materials for filters. A formula for determining the average (hydraulic) radius of the capillaries of permeable materials has been obtained, which is more accurate than the Kozeny formula. The results of calculating the average radius of capillaries and of the permeability of porous powder materials by the proposed dependences are presented, which are in better agreement with experimental data than calculations by the Kozeny formula.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-022-02502-1