permeability of a porous medium

permeability of a porous medium
akytosios terpės drėgmės pralaidumo koeficientas statusas T sritis Standartizacija ir metrologija apibrėžtis Apibrėžtį žr. priede. priedas(-ai) Grafinis formatas atitikmenys: angl. permeability of a porous medium vok. Durchlässigkeit eines porösen Stoffes, f rus. коэффициент влагопроницаемости пористого материала, m

Penkiakalbis aiškinamasis metrologijos terminų žodynas. – Vilnius: Mokslo ir enciklopedijų leidybos institutas. . 2006.

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  • Porous medium — A porous medium or a porous material is a solid (often called frame or matrix) permeated by an interconnected network of pores (voids) filled with a fluid (liquid or gas). Usually both the solid matrix and the pore network (also known as the pore …   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

  • 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] …   Lexicon of Cave and Karst Terminology

  • permeability, intrinsic —    1. A measure of the ability of a medium to transmit a fluid through a porous medium. It is a function of the medium only and is proportional to the mean grain size diameter.    2. A measure of the relative ease with which a porous medium can… …   Lexicon of Cave and Karst Terminology

  • permeability — per•me•a•bil•i•ty [[t]ˌpɜr mi əˈbɪl ɪ ti[/t]] n. 1) the quality or state of being permeable 2) phs Physics. a) the rate at which a pressurized gas or liquid passes through a porous medium b) the ability of a medium to permit such flow 3) elm a… …   From formal English to slang

  • Permeability —   The ease with which fluid flows through a porous medium.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

  • 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

  • Nuclear magnetic resonance in porous media — Nuclear magnetic resonance (NMR) in porous media covers the application of using NMR as a tool to study the structure of porous media and various processes occurring in them.[1] This technique allows the determination of characteristics such as… …   Wikipedia

  • Dynamic insulation — is a form of insulation where cool outside air flowing through the thermal insulation in the envelope of a building will pick up heat from the insulation fibres. Buildings can be designed to exploit this to reduce the transmission heat loss (U… …   Wikipedia

  • dar|cy — «DAHR see», noun, plural cys. a measure of the permeability of a porous medium: »Permeability is commonly measured in darcys and millidarcys (thousandth of a darcy). Even the tavern loafers of an oil town now speak enthusiastically of a… …   Useful english dictionary

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