Glass and Ceramics

, Volume 73, Issue 7–8, pp 258–265 | Cite as

Determination of the Hydraulic Radius of the Porous Structure of Ceramic Materials

  • V. V. Guryev
  • V. I. Nikitsin
  • V. A. Kofanov

The existing relations describing capillary inhibition in porous materials based on an ideal model and mercury porosimetry data are analyzed. It is shown that in transitioning from the hydraulic radius of an ideal model to the hydraulic radius of a capillary-porous material the tortuosity and narrowing (widening) of capillaries, the increase in temperature associated with sorption of water vapor, and the variation of the water viscosity as a function of the hydraulic radius of the capillary must be taken into account. The experimental data are used to make a quantitative evaluation of these effects. On this basis a relation is proposed for determining the hydraulic radius of the porous structure of the ceramic materials used for construction articles.

Key words

capillary imbibition hydraulic radius of capillaries tortuosity of capillaries narrowing and widening of capillaries sorption of water vapor viscosity of water 


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • V. V. Guryev
    • 1
  • V. I. Nikitsin
    • 2
  • V. A. Kofanov
    • 3
  1. 1.Moscow Scientific-Research and Design Institute of Typology and Experimental DesignMoscowRussia
  2. 2.Pope John Paul II State School of Higher EducationBiala PodlaskaPoland
  3. 3.Brest State Technical UniversityBrestBelarus

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