Measuring and testing – With fluid pressure – Porosity or permeability
Patent
1995-10-12
1997-01-07
Williams, Hezron E.
Measuring and testing
With fluid pressure
Porosity or permeability
G01N 1508
Patent
active
055918980
ABSTRACT:
A method for measuring the permeability of a gas through a material, wherein the steps include exposing the material to the gas to be measured and measuring the outgassing characteristics of the material over increments of time to develop exponential expressions representative of the measured amounts and solving the exponential expressions for the diffusion coefficient D and the solubility coefficient S; and then calculating the permeability of the material by forming the product of the diffusion coefficient D and the solubility coefficient S.
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Larkin Daniel S.
Modern Controls Inc.
Williams Hezron E.
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