Radial imbibition in paper under temperature differences

Abel López-Villa, Abraham Medina, F. J. Higuera, Jonatan R. Mac Intyre, Carlos Alberto Perazzo, Juan Manuel Gomba

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Spontaneous radial imbibition into thin circular samples of porous material when they have been subjected to radial temperature differences was analyzed theoretically and experimentally. The use of the Darcy equation allowed us to take into account temperature variations in the dynamic viscosity and surface tension in order to find the one-dimensional equation for the imbibition fronts. Experiments using blotting paper showed a good fit between the experimental data and theoretical profiles through the estimation of a single parameter.

Original languageEnglish
Article number86
JournalFluids
Volume4
Issue number2
DOIs
StatePublished - Jun 2019

Keywords

  • Imbibition
  • Porous media
  • Thermocapillary phenomena

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