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Theory and Apparatus for Measurement of Emissivity for Radiative Cooling of Hypersonic Aircraft with Data for Inconel and Inconel XThe importance of radiation as a means of cooling high-supersonic- and hypersonic-speed aircraft is discussed to show the need for measurements of the total hemispherical emissivity of surfaces. The theory underlying the measurement of the total hemispherical emissivity of surfaces is presented, readily duplicable apparatus for performing the measurements is described, and measurements for stably oxidized Inconel and Inconel X are given for the temperature range from 600 F to 2,000 F.
Document ID
19930084835
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
O'Sullivan, William J , Jr
Wade, William R
Date Acquired
August 16, 2013
Publication Date
October 1, 1957
Report/Patent Number
NACA-TN-4121
Accession Number
93R14125
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
MATERIALS, PROPERTIES - THERMAL
RESEARCH EQUIPMENT, MATERIALS
ALLOYS, HEAT-RESISTING
HEAT TRANSFER, AERODYNAMIC

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