Measuring and testing – Meteorology – Electric disturbance
Patent
1980-02-01
1981-12-15
Gill, James J.
Measuring and testing
Meteorology
Electric disturbance
G01N 114
Patent
active
043052800
ABSTRACT:
An instrument having a logarithmic response is provided which continuously easures rates of rainfall over a range of from 0.3 to 350 mm/hr by determining the electrical power required to evaporate the water as it arrives on an exposed sensor. The sensor determines the flux of rain or cloud water arriving on its surface and consists essentially of a porous, water absorbent, dielectric material held between two metallic electrodes across which a fixed electrical potential is maintained. The water is evaporated by electrical heating as it arrives on the surface, and the amount of power required is a measure of the mass flux of water to the collecting surface.
REFERENCES:
patent: 1236381 (1917-08-01), Rogers
patent: 2740293 (1956-04-01), Brady
patent: 3472088 (1969-10-01), Ojard
Battalino Terry E.
Vonnegut Bernard
Durigon A. P.
Gill James J.
Lall P. C.
Sciascia R. S.
The United States of America as represented by the Secretary of
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