Porosimeter arrangement

Details Porosimeter arrangement Porosimeter arrangement

1980-01-14

1981-11-17

Myracle, Jerry W.

Measuring and testing

With fluid pressure

Porosity or permeability

G01N 1508

Patent

active

043003869

ABSTRACT:
A mercury instrusion type porosimeter arrangement wherein a vessel containing the mercury used for intrusion is disposed such that a conduit issuing therefrom extends downwardly to enable mercury to flow through the action of gravity. The conduit extends to a chamber which contains the sample of material whose porosity characteristics are to be determined and to the tube of a penetrometer assembly which contains the mercury whose height is to be measured, the penetrometer assembly comprising a tube and an electrically actuated transducer associated therewith which senses the height of the mercury in the tube. With this arrangement, there is eliminated the need to introduce atmospheric pressure to force mercury into the penetrometer tube, thus eliminating an initial pressure error. There is, thereby, enabled the precise measurement of the porosity characteristics of materials with larger pores, heretofore unattainable.

REFERENCES:
patent: 2537668 (1951-01-01), Hebard
patent: 3882714 (1975-05-01), Libal et al.
Baker, D. J., A Low-pressure Mercury Porosimeter, In Journ. of Phys. E Sci. Instr., vol. 4, 1971, pp. 388-389.

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