Method for sampling aerosols

Details Method for sampling aerosols Method for sampling aerosols

1997-05-20

1999-09-28

Chiesa, Richard L.

Gas separation: processes

Deflecting

And filtering

55320, B01D 4642

Patent

active

059581115

ABSTRACT:
A method for the collection of solid or liquid particles suspended in air (aerosol). The method involves abstracting a quantity of air through a curved, porous plate with evenly spaced holes which are designed to give an accurate sample of the particle content over defined size ranges. This method differs from similar methods in that it (1) provides a minimal bias in the results from the effects of ambient air velocity or direction, (2) provides a more even distribution of particles over a collection medium, and (3) enables exclusion of particles exceeding defined upper size limits.

REFERENCES:
patent: 4157902 (1979-06-01), Tokar
patent: 4606743 (1986-08-01), Shuman
patent: 5248323 (1993-09-01), Stevenson
Suresh Kalatoor, Sergey Grinshpun and Klaus Willeke: "New Aerosol Sampler with Low Wind Sensitivity and Good Filter Collection Uniformity" Atmospheric Environment 29, No. 10 pp. 1105-1112, Jun. 19, 1995.

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