An integrated, multi-sensor system for cloud particle classification

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: N/A
Agency Tracking Number: 992479
Amount: $599,714.00
Phase: Phase II
Program: SBIR
Awards Year: 2001
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
P.O. Box 20293, Boulder, CO, 80308
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Gregory Kok
 Staff Scientist
 () -
Business Contact
 Bill Dawson
Title: Vice President
Phone: (303) 440-5576
Research Institution
Droplet Measurement Technologies proposed to develop a compact, integrated, multi-sensor system for the airborne characterization of cloud icing conditions. This system will measure cloud particle size, number concentration, mass and phase, as well as temperature pressure and airspeed. This combination of measurements allows the system to operate in a stand-alone mode for situations where the instruments could be used on commercial aircraft for gathering data on icing conditons or for icing certification activities. The range of particle sizes and supercooled water content are broader than currently required by FAA icing certification regulations (FAR-25) and provide excellent resolution at the larger drop sizes that are presently being studied as particularly hazardous for flight operations. The built-in redundancy also improves data quality and operational reliability.The culmination of Phase I activities will be a prototype instrument consisting of an integration of five sensors into a single, streamlined package that minimizes drag and mounts easily to an aircraft fuselage or wing. This proof-of-concept development will use laboratory testing to show that particles in the proposed size range can be accurately measured and that the integrated system fits in a package that is aerodynamically stable without disturbing the particle measurements.

* Information listed above is at the time of submission. *

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