Porosity measurement

Details Porosity measurement Porosity measurement

1978-11-02

1980-04-22

Goldberg, Gerald

Measuring and testing

With fluid pressure

Porosity or permeability

73159, G01N 1500

Patent

active

041988531

ABSTRACT:
The present invention provides a method and apparatus for evaluating the porosity of a sheet material at a given value of gas flow or pressure drop (PD), with account being taken of the following relationship between the parameters of flow and PD:

REFERENCES:
patent: 2755660 (1956-07-01), Kammermeyer et al.
patent: 2861451 (1958-11-01), Emmons

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