Apparatus and method for measuring concentrations of supercooled

Details Apparatus and method for measuring concentrations of supercooled Apparatus and method for measuring concentrations of supercooled

1981-07-08

1984-04-10

Ruehl, Charles A.

Measuring and testing

Meteorology

Electric disturbance

340582, 73579, G01W 100, G01W 108

Patent

active

044413637

ABSTRACT:
A vibrating wire placed in the humidity duct of a standard radiosonde is used to measure vertical profiles of the concentration of supercooled liquid water in clouds. An electronic circuit is provided for monitoring the natural frequency of vibration which varies according to the mass of ice accumulated on the wire by contact freezing. The time rate of change of ice accumulation is related to the supercooled liquid water concentration. By monitoring the natural frequency, the supercooled liquid water concentration can be found.

REFERENCES:
patent: 2283919 (1942-05-01), Diamond et al.
patent: 3240054 (1966-03-01), Roth
patent: 3483753 (1969-12-01), Loeb
patent: 3626754 (1971-12-01), Haagen
patent: 3779072 (1973-12-01), Meier
patent: 3889525 (1975-06-01), Bailey
patent: 3967497 (1976-07-01), Brown
patent: 4118977 (1978-10-01), Olsen et al.

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