Nonlinear flow in karst formations

David A. Chin, René M. Price, Vincent J. Difrenna

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

The variation of effective hydraulic conductivity as a function of specific discharge in several 0.2-m and 0.3-m cubes of Key Largo Limestone was investigated. The experimental results closely match the Forchheimer equation. Defining the pore-size length scale in terms of Forchheimer parameters, it is demonstrated that significant deviations from Darcian flow will occur when the Reynolds number exceeds 0.11. A particular threshold model previously proposed for use in karstic formations does not show strong agreement with the data near the onset of nonlinear flow.

Original languageEnglish (US)
Pages (from-to)669-674
Number of pages6
JournalGround Water
Volume47
Issue number5
DOIs
StatePublished - Sep 1 2009

ASJC Scopus subject areas

  • Water Science and Technology
  • Computers in Earth Sciences

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