permeability, effective

   The observed permeability of a porous medium to one fluid phase under conditions of physical interaction between this phase and other fluid phases present [22].

A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. . 2002.

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  • Permeability (earth sciences) — Permeability in the earth sciences (commonly symbolized as κ , or k ) is a measure of the ability of a material (typically, a rock or unconsolidated material) to transmit fluids. It is of great importance in determining the flow characteristics… …   Wikipedia

  • Effective porosity — The term effective porosity lacks a single or straightforward definition. Even some of the terms used in its mathematical description (“Vcl” and “Vsh”) have multiple definitions. However, it is most commonly considered to represent the porosity… …   Wikipedia

  • Permeability (electromagnetism) — Magnetic Circuits Conventional Magnetic Circuits Magnetomotive force Magnetic flux Φ Magnetic reluctance Phasor Magnetic Circuits Complex reluctance Zμ …   Wikipedia

  • permeability, relative —    1. The ratio of the effective permeability for a given flow phase to the intrinsic permeability of the porous medium [22].    2. The ratio of the effective and specific permeabilities [22].    3. The ratio of permeability of one immiscible… …   Lexicon of Cave and Karst Terminology

  • effective permeability — efektyvioji magnetinė skvarba statusas T sritis fizika atitikmenys: angl. effective permeability vok. effektive Permeabilität, f; Wirkpermeabilität, f; wirksame Permeabilität, f rus. эффективная магнитная проницаемость, f pranc. perméabilité… …   Fizikos terminų žodynas

  • Effective stress — Karl von Terzaghi first proposed the relationship for effective stress in 1936. [http://fbe.uwe.ac.uk/public/geocal/SoilMech/stresses/stresses.htm] For him, the term ‘effective’ meant the calculated stress that was effective in moving soil, or… …   Wikipedia

  • Relative permeability — In multiphase flow in porous media, relative permeability is a dimensionless measure of the effective permeability of each phase. It can be viewed as an adaptation of Darcy s law to multiphase flow. For two phase flow in porous media given steady …   Wikipedia

  • Enhanced permeability and retention effect — The Enhanced Permeability and Retention (EPR) effect is the property by which certain sizes of molecules, typically liposomes or macromolecular drugs, tend to accumulate in tumor tissue much more than they do in normal tissues1,2,3. The general… …   Wikipedia

  • Magnetic effective resistance — Magnetic Circuits Conventional Magnetic Circuits Magnetomotive force Magnetic flux Φ Magnetic reluctance Phasor Magnetic Circuits Complex reluctance Zμ Related Concepts Magnetic permeabili …   Wikipedia

  • perméabilité effective — efektyvioji magnetinė skvarba statusas T sritis fizika atitikmenys: angl. effective permeability vok. effektive Permeabilität, f; Wirkpermeabilität, f; wirksame Permeabilität, f rus. эффективная магнитная проницаемость, f pranc. perméabilité… …   Fizikos terminų žodynas

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