Method and Apparatus for Measuring the Hydraulic Conductivity of Porous Materials.

Abstract

A method and apparatus for directly measuring hydraulic conductivity of porous materials at various degress of saturation, the invention involves determination of the rate of rotation under dynamic equilibrium of concentric cylinders having a partially saturated porous material disposed in an annular space between the concentric cylinders, the rate of rotation being directly related to the hydraulic conductivity of the material. The hydraulic conductivity of the material can thus be determined without the need for measuring fluid discharge and piezometric head gradient as is necessary in prior art determination of hydraulic conductivity.

Document Details

Document Type
Technical Report
Publication Date
Nov 17, 1983
Accession Number
ADD010915

Entities

People

  • C. J. Daly

Organizations

  • United States Army

Tags

DTIC Thesaurus Topics

  • Conductivity
  • Inventions
  • Materials
  • Porous Materials
  • Reinforcing Materials
  • Rotation
  • Saturation

Readers

  • Electrical Engineering
  • Fluid Dynamics.
  • Materials Science and Engineering.

Technology Areas

  • Space
  • Space - Hall-Effect Thruster