Call number:
ZSP-202-302
In:
Research report
Description / Table of Contents:
CONTENTS: Introduction. - Literature review. - Experimental procedure. - Experimental and theoretical equations. - Results and discussion. - Conclusions. - Literature cited. - Appendix A. Some problems in the experimental determination of the extinction coefficient of ice fog. - Appendix B. Ice fog production technique. - Appendix C. Ice fog samples and their corresponding particle spectra. - Abstract.
Description / Table of Contents:
Laser extinction measurements in ice fog were made at wavelengths of 0.6328, 1.15 and 3.39 microns. The ice fog was generated in an environmental chamber whose temperature could be lowered to -43°C. Particle sampling was carried out simultaneously with the laser measurements using an impactor. Size distributions were derived from the impactor measurements. These data were used to compute Mie extinction coefficients at the three laser wavelengths. These coefficients were compared with the coefficients derived experimentally. Although some discrepancy exists between theory and experiment, both agree fairly well on the behavior of the extinction coefficient as a function of particle concentration.
Type of Medium:
Series available for loan
Pages:
iii, 23 Seiten
,
Illustrationen
Series Statement:
Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 302
URL:
http://www.worldcat.org/oclc/5974559
Language:
English
Branch Library:
AWI Library
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