Accession Number:

AD0738111

Title:

Evaluation of a Computerized Technique for Determining Particle Distribution Parameters from Aerosol Mass Decay Data.

Descriptive Note:

Technical rept. Jun 69-May 70,

Corporate Author:

EDGEWOOD ARSENAL MD

Personal Author(s):

Report Date:

1972-02-01

Pagination or Media Count:

53.0

Abstract:

A computerized technique was evaluated for determining the particle distribution parameters from the inversion of aerosol mass decay data. These estimates of the distribution parameters were derived by applying a least squares solution to the nonlinear decay data. This technique was applied to both theoretical and experimental mass decay data for stirred aerosols in a closed chamber. The effects of variations in the experimental input decay data or the derived particle characterization was studied. It was found that 1 this computerized inversion technique will give a unique fit to nonlinear data described by an equation which can be integrated in closed form, 2 this technique cannot deduce the mathematical description of the initial particle distribution form, since this equation is assumed a priori, but it will give a qualitative description of an aerosols modal characteristics, and 3 within the limits imposed by the experimental input data this technique will accurately define basic aerosol characteristics. Author

Subject Categories:

  • Computer Programming and Software
  • Chemical, Biological and Radiological Warfare

Distribution Statement:

APPROVED FOR PUBLIC RELEASE