Minimal-seepage depth of isobaric cavity under Ponded conditions

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Abstract

A zero-pressure isobar is reconstructed in a potential Laplacian field generated by a sink-source pair that models steady-state Darcian seepage from a ponded soil surface to a cavity draining a homogeneous isotropic half-plane. At sufficiently small flow rates (cavity depths under the soil surface) the obtained contour is almost spherical. For a given "sphere" its depth under a constant-head plane is found providing minimal inflow rate.

Original languageEnglish
Pages (from-to)108-110
Number of pages3
JournalJournal of Irrigation and Drainage Engineering
Volume135
Issue number1
DOIs
Publication statusPublished - 2009

Keywords

  • Cavitation
  • Erosion
  • Mining wastes
  • Seepag

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Water Science and Technology
  • Civil and Structural Engineering

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