Convective instabilities of chemical fronts in close-packed porous media

Gábor Schuszter, Dezs Horváth, Ágota Tóth

Research output: Contribution to journalArticle

3 Citations (Scopus)


Spatiotemporal pattern formation in the autocatalytic chlorite- tetrathionate reaction is studied experimentally in porous media where heterogeneities are introduced as glass beads packed in a monolayer. From initially vertical planar chemical fronts in a vertical slab, asymmetric convective structures with stable geometry evolve which propagate horizontally with constant speed. The single convection roll is characterized by its mixing length which scales with both the solution height and the permeability of the system.

Original languageEnglish
Pages (from-to)63-66
Number of pages4
JournalChemical Physics Letters
Publication statusPublished - Sep 12 2012

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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