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RISA New Technique for the Study of Cloud Microstructure
Publisher: American Meteorological Society
Abstract: A technique is described by which the spacing of cloud particles can be measured using existing data from a cloud particle measurement probe. The monitor circuit used in this application is inexpensive and easy to build ...
An Analysis and Comparison of Five Water Droplet Measuring Instruments
Publisher: American Meteorological Society
Abstract: Five different instruments have been used routinely by the University of Wyoming for aircraft measurements of water droplets. A study has been conducted in which the measurement accuracies of these instruments are analyzed ...
Evaluation of the Forward Scattering Spectrometer Probe. Part III: Time Response and Laser Inhomogeneity Limitations
Publisher: American Meteorological Society
Abstract: The electronic response time of the Forward Scattering Spectrometer Probe (FSSP) has been evaluated and is shown to affect the measurement of droplet size. The size of droplets are underestimated when airspeeds exceed 50 ...
Laboratory and Wind Tunnel Evaluations of the Rosemount Icing Detector
Publisher: American Meteorological Society
Abstract: The Rosemount model 871FA ice detector was evaluated during a number of laboratory and wind tunnel studies. The purpose of this evaluation was to determine the sensitivity of the detector to a variety of icing conditions ...
Airspeed Corrections for Optical Array Probe Sample Volumes
Publisher: American Meteorological Society
Abstract: The Particle Measuring System?s optical array probes have a sample volume that depends upon the diameter of the particle measured. The sample volume also depends upon the velocity of particles that pass through the probe ...
Evaluation of the Forward Scattering Spectrometer Probe. Part I: Electronic and Optical Studies
Publisher: American Meteorological Society
Abstract: Laboratory studies of the Forward Scattering Spectrometer Probe (FSSP), were conducted to better understand the operation, to determine limitations and to define the measurement accuracy of the instrument for airborne cloud ...
Entrainment and Fine-Scale Mixing in a Continental Convective Cloud
Publisher: American Meteorological Society
Abstract: Aircraft data from a penetration through several young, nonprecipitating, continental cumulus turrets are examined. Fine-scale measurements, some of a new type, show that mixing is highly nonuniform during the active stages ...
Determination of Supercooled Liquid Water Content by Measuring Rime Rate
Publisher: American Meteorological Society
Abstract: A ground-based technique is described for determining the liquid water content of supercooled clouds orfog by measuring the mass rate of rime accumulation on a small rotating wire. Development of the techniqueis described, ...
Evaluation of the Forward Scattering Spectrometer Probe. Part II: Corrections for Coincidence and Dead-Time Losses
Publisher: American Meteorological Society
Abstract: Cloud particle concentrations measured by the Forward Scattering Spectrometer Probe (FSSP) can be underestimated when particles are either coincident or pass through the sensing area of the probe during the electronic ...