Device for measuring effective porosity

Details Device for measuring effective porosity Device for measuring effective porosity

1988-03-07

1989-08-08

Williams, Hezron E.

Measuring and testing

With fluid pressure

Porosity or permeability

G01N 1508

Patent

active

048541575

ABSTRACT:
A device for measuring the effective porosity of a sample comprising, a device for defining a cavity defining an opening, a device for sealing the sample around the cavity opening, a device for measuring the internal pressure of the cavity, a device for passing gas into the cavity, a device for measuring the flow rate of the passed gas, and a device for adjusting the flow rate of the passing device until a predetermined value of the internal pressure is obtained in the cavity.

REFERENCES:
patent: 2861451 (1958-11-01), Emmons, III
patent: 3251218 (1966-05-01), Russell
patent: 4191046 (1980-03-01), Baker et al.
patent: 4213327 (1980-07-01), Prescott et al.
patent: 4385517 (1983-05-01), Sorce et al.
Carr et al; Gas Permeation Analysis Assembly; Technical Disclosure Bulletin, vol. 21, No. 5 (10-1978).

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