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Directional control of radiant heatSurface with grooves having flat bases gives directional emissivities and absorptivities that can be made to approximate a perfect directional surface. Radiant energy can then be transferred in desired directions.
Document ID
19700000309
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Howell, J. R.
Perlmutter, M.
Date Acquired
August 5, 2013
Publication Date
July 1, 1970
Subject Category
Physical Sciences
Report/Patent Number
LEW-90237
Report Number: LEW-90237
Accession Number
70B10321
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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