Accession Number:

ADA102353

Title:

Laser Interferometer for Droplet-Sizing Application

Descriptive Note:

Final rept. Oct 1979-Sep 1980

Corporate Author:

ARNOLD ENGINEERING DEVELOPMENT CENTER ARNOLD AFB TN

Report Date:

1981-07-01

Pagination or Media Count:

33.0

Abstract:

A particle-sizing laser interferometer was developed for single particle, in situ sizing and velocity measurement of water droplets in a wind tunnel used for icing studies. Droplet diameters were in the range from 5 to 80 micrometers, flow velocity was in excess of 100 meters per second, and droplet number densities were a few hundred per cubic centimeter. Both off-axis and on- axis light collection designs were evaluated and are described. Variation of the sample volume with particle size is discussed.

Subject Categories:

  • Test Facilities, Equipment and Methods
  • Optical Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE