Capillary Penetration of Liquid Droplets into Porous Materials

M. Denesuk, G. L. Smith, B. J J Zelinski, N. J. Kreidl, Donald R Uhlmann

Research output: Contribution to journalArticle

109 Citations (Scopus)

Abstract

The behavior of a liquid droplet placed on a porous solid is considered. A model is developed for the infiltration of finitesize liquid droplets into porous materials, including the effects of the instantaneous droplet size on the number of pores in contact with the droplet. Simple analytical solutions are developed for the time dependence of the droplet radius under two limiting case assumptions concerning the kinetic behavior of the droplet as its volume is depleted. The two limiting cases are seen to represent upper and lower limits on the liquid depletion time. Liquid depletion data of silicone liquids on a soda-lime-silicate porous solid are presented and compared with predictions of the models.

Original languageEnglish (US)
Pages (from-to)114-120
Number of pages7
JournalJournal of Colloid and Interface Science
Volume158
Issue number1
DOIs
StatePublished - Jun 1993

Fingerprint

porous materials
Porous materials
penetration
Liquids
liquids
depletion
calcium oxides
silicones
Silicates
infiltration
time dependence
Silicones
silicates
Infiltration
Lime
Contacts (fluid mechanics)
porosity
radii
kinetics
predictions

ASJC Scopus subject areas

  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Capillary Penetration of Liquid Droplets into Porous Materials. / Denesuk, M.; Smith, G. L.; Zelinski, B. J J; Kreidl, N. J.; Uhlmann, Donald R.

In: Journal of Colloid and Interface Science, Vol. 158, No. 1, 06.1993, p. 114-120.

Research output: Contribution to journalArticle

Denesuk, M. ; Smith, G. L. ; Zelinski, B. J J ; Kreidl, N. J. ; Uhlmann, Donald R. / Capillary Penetration of Liquid Droplets into Porous Materials. In: Journal of Colloid and Interface Science. 1993 ; Vol. 158, No. 1. pp. 114-120.
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