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Ground-Based Icing Condition Remote Sensing System DefinitionThis report documents the NASA Glenn Research Center activities to assess and down select remote sensing technologies for the purpose of developing a system capable of measuring icing condition hazards aloft. The information generated by such a remote sensing system is intended for use by the entire aviation community, including flight crews. air traffic controllers. airline dispatchers, and aviation weather forecasters. The remote sensing system must be capable of remotely measuring temperature and liquid water content (LWC), and indicating the presence of super-cooled large droplets (SLD). Technologies examined include Profiling Microwave Radiometer, Dual-Band Radar, Multi-Band Radar, Ka-Band Radar. Polarized Ka-Band Radar, and Multiple Field of View (MFOV) Lidar. The assessment of these systems took place primarily during the Mt. Washington Icing Sensors Project (MWISP) in April 1999 and the Alliance Icing Research Study (AIRS) from November 1999 to February 2000. A discussion of the various sensing technologies is included. The result of the assessment is that no one sensing technology can satisfy all of the stated project goals. Therefore a proposed system includes radiometry and Ka-band radar. A multilevel approach is proposed to allow the future selection of the fielded system based upon required capability and available funding. The most basic level system would be the least capable and least expensive. The next level would increase capability and cost, and the highest level would be the most capable and most expensive to field. The Level 1 system would consist of a Profiling Microwave Radiometer. The Level 2 system would add a Ka-Band Radar. The Level 3 system would add polarization to the Ka-Band Radar. All levels of the system would utilize hardware that is already under development by the U.S. Government. However, to meet the needs of the aviation community, all levels of the system will require further development. In addition to the proposed system, it is also recommended that NASA continue to foster the development of Multi-Band Radar and airborne microwave radiometer technologies.
Document ID
20010089874
Acquisition Source
Glenn Research Center
Document Type
Technical Memorandum (TM)
Authors
Reehorst, Andrew L. (NASA Glenn Research Center Cleveland, OH United States)
Koenig, George G. (Army Cold Regions Research and Engineering Lab. Hanover, NH United States)
Date Acquired
September 7, 2013
Publication Date
August 1, 2001
Subject Category
Air Transportation And Safety
Report/Patent Number
NASA/TM-2001-211102
NAS 1.15:211102
E-12947
Funding Number(s)
CONTRACT_GRANT: NASA Order C-73343-E
PROJECT: RTOP 711-21-23
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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