Charging mechanisms for electrogasdynamic spectral anemometer

Details Charging mechanisms for electrogasdynamic spectral anemometer Charging mechanisms for electrogasdynamic spectral anemometer

1979-11-13

1981-12-08

Gill, James J.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

73147, 73189, G01P 1300, G01W 102, G01N 2764

Patent

active

043041248

ABSTRACT:
A practical charging mechanism for an electrogasdynamic spectral anemometer sing ultraviolet radiation. Ultraviolet radiation issues through windows in the wall of a test section through which flows a turbulent gas. The UV ionizes aerosol particles in the gas flow. A metallic rod which is connected to a high voltage source picks up ions of one polarity and a collector downstream neutralizes the ions of the opposite polarity. The current generated at the collector is measured and analyzed.

REFERENCES:
patent: 2637208 (1953-05-01), Mellen
patent: 2640936 (1953-06-01), Pajes
patent: 2820945 (1958-01-01), Marsden, Jr.
patent: 2861452 (1958-11-01), Morgan
patent: 3478204 (1969-11-01), Brubaker et al.
patent: 3718043 (1973-02-01), Fishman et al.
patent: 3777564 (1973-12-01), Biblarz
patent: 4090856 (1978-05-01), Rogoff

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