Accession Number : AD0282600

Title :   SPECTRAL AND TOTAL EMISSIVITY APPARATUS AND MEASUREMENTS OF OPAQUE SOLIDS

Corporate Author : LOCKHEED MISSILES AND SPACE CO SUNNYVALE CALIF

Personal Author(s) : SHAW,CLYDE C. ; BERRY,JAMES C. ; LEE,THOMAS W.

Report Date : 10 MAR 1959

Pagination or Media Count : 1

Abstract : Three methods of measuring the normal spectral, total normal and total hemispherical emissivity of opaque solid materials are described. Spectral emissivity measurements are performed at approximately ambient temperature and encompass the wavelength interval .4 to 25 microns. Total hemispherical emissivity measurements cover the temperature range 0 C to 600 C. Results of the emissivity measurements, of various materials, as performed with each of the systems, are presented. (Author)

Descriptors :   *BLACKBODY RADIATION, *INFRARED RADIATION, *THERMAL RADIATION, HEAT TRANSFER, HEMISPHERICAL SHELLS, MIRRORS, OPTICAL EQUIPMENT, REFLECTION, REFLECTOMETERS, ROTATING STRUCTURES, SOLIDS, SPECTROPHOTOMETERS, THERMODYNAMICS

Distribution Statement : APPROVED FOR PUBLIC RELEASE