Thermal Radiation Properties Of Materials
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Report Number: WADD TR 60-370
Author(s): Seban, R. A., Rolling, R. E.
Corporate Author(s): Institute Of Engineering Research, University Of California, Berkeley
Date of Publication: 1961-06
Pages: 110
Contract: AF 33(616)-6630
DoD Project: 7360
DoD Task: 73603
Identifier: AD0270454
Abstract:
Methods are described for measurement of total normal emittance, in air, for temperatures up to 2500°F; for normal spectral reflectance, in air, at low temperature for wavelengths from 0.30 to 25 microns; and in air, at 1000°F, from 1 to 25 microns. Results are given for twenty samples of different materials and the measured total emittances are generally within 5% of values predicted from reflectance measurements. Reflectances were also measured as a function of angle for wavelengths of the order of 1 micron, to give absorptances as a function of angle of incidence that are useful in the appraisal of solar irradiation. A spectral emittance unit is described and the preliminary results for samples at 1400°F show general agreement with measured values of spectral reflectance.
Provenance: Lockheed Martin Missiles & Fire Control
Author(s): Seban, R. A., Rolling, R. E.
Corporate Author(s): Institute Of Engineering Research, University Of California, Berkeley
Date of Publication: 1961-06
Pages: 110
Contract: AF 33(616)-6630
DoD Project: 7360
DoD Task: 73603
Identifier: AD0270454
Abstract:
Methods are described for measurement of total normal emittance, in air, for temperatures up to 2500°F; for normal spectral reflectance, in air, at low temperature for wavelengths from 0.30 to 25 microns; and in air, at 1000°F, from 1 to 25 microns. Results are given for twenty samples of different materials and the measured total emittances are generally within 5% of values predicted from reflectance measurements. Reflectances were also measured as a function of angle for wavelengths of the order of 1 micron, to give absorptances as a function of angle of incidence that are useful in the appraisal of solar irradiation. A spectral emittance unit is described and the preliminary results for samples at 1400°F show general agreement with measured values of spectral reflectance.
Provenance: Lockheed Martin Missiles & Fire Control