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Compact field color schlieren system for use in microgravity materials processingA compact color schlieren system designed for field measurement of materials processing parameters has been built and tested in a microgravity environment. Improvements in the color filter design and a compact optical arrangement allowed the system described here to retain the traditional advantages of schlieren, such as simplicity, sensitivity, and ease of data interpretation. Testing was accomplished by successfully flying the instrument on a series of parabolic trajectories on the NASA KC-135 microgravity simulation aircraft. A variety of samples of interest in materials processing were examined. Although the present system was designed for aircraft use, the technique is well suited to space flight experimentation. A major goal of this effort was to accommodate the main optical system within a volume approximately equal to that of a Space Shuttle middeck locker. Future plans include the development of an automated space-qualified facility for use on the Shuttle and Space Station.
Document ID
19860061651
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Poteet, W. M.
(System Specialists Tucson, AZ, United States)
Owen, R. B.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
August 12, 2013
Publication Date
July 1, 1986
Publication Information
Publication: Optical Engineering
Volume: 25
ISSN: 0091-3286
Subject Category
Instrumentation And Photography
Accession Number
86A46389
Funding Number(s)
CONTRACT_GRANT: NAS8-35278
Distribution Limits
Public
Copyright
Other

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