Method and apparatus for measuring the amount of ice in an aqueo

Details Method and apparatus for measuring the amount of ice in an aqueo Method and apparatus for measuring the amount of ice in an aqueo

1990-10-12

1992-08-18

Williams, Hezron E.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

73 6143, G01N 2704

Patent

active

051402750

ABSTRACT:
The ice content of a mixture of ice and liquid water is determined by (a) measuring the electrical conductivity C.sub.i of the original water at a temperature above its freezing point and before any of it has been converted to ice; (b) cooling the water to produce a mixture of ice and a liquid water phase; (c) measuring the electrical conductivity C.sub.n of the liquid water phase; and (d) computing the fraction of ice in the mixture by use of the equation

REFERENCES:
patent: 4286436 (1981-09-01), Engdahl et al.
patent: 4838039 (1989-06-01), Knodel
patent: 4850202 (1989-07-01), Kito et al.

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