Measuring and testing – With fluid pressure – Porosity or permeability
Patent
1978-12-07
1980-04-22
Goldberg, Gerald
Measuring and testing
With fluid pressure
Porosity or permeability
G01M 302
Patent
active
041988540
ABSTRACT:
A practice for measuring porosity wherein a plurality of medium flows of different volumetric flow rates are provided to a predetermined area of a material under test in dependence upon the pressure difference thereacross and wherein certain measured pressure /differences and their corresponding flow rates are employed to determine the material porosity.
REFERENCES:
patent: 2861451 (1958-11-01), Emmons
Crowther Gerald H.
Gaudlitz Robert T.
Washington James M.
Goldberg Gerald
Philip Morris Incorporated
Roskos Joseph W.
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