Measuring and testing – Gas analysis – Moisture content or vapor pressure
Patent
1978-06-12
1979-05-15
Kreitman, Stephen A.
Measuring and testing
Gas analysis
Moisture content or vapor pressure
250343, G01N 2134
Patent
active
041540891
ABSTRACT:
An apparatus and method for measuring the liquid water content of a cloud fog utilizes an environmentally controlled test chamber having a plurality of oppositely disposed windows selected to be optically transparent at a chosen wavelength of radiation. The windows of the chamber are positioned intermediate an infrared source and a wavelength scanning radiometer. An optical band pass filter is selected to pass radiation of a specific wavelength making the instrumentation substantially independent of cloud droplet size distribution enabling the measurement of only liquid water rather than water vapor.
REFERENCES:
patent: 3281597 (1966-10-01), Greenberg
patent: 3636768 (1972-01-01), Tinet et al.
patent: 3694085 (1972-09-01), Rich
Edelberg Nathan
Erkkila A. Victor
Kreitman Stephen A.
The United States of America as represented by the Secretary of
Yarmovsky Max
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