The Normal Spectral Emissivity of Isotropic and Anisotropic Materials |
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180 grit surface A-face pyrolytic graphite angle Autio blackbody cavity Blau C-face Carbon Chapter chemically polished Coblentz crystallites curve density DeSantis electrical resistivity emissivity data emittance equation experiment experimental face Figure furnace graphite block growth cones H₂ H2 Atmosphere Hagen-Rubens heating hot zone increasing wavelength infrared Laue pattern Marple measured metals microns millivolt mullite nickel specimens normal spectral emissivity normal spectral reflectivity Null and Lozier obtained optical perature Plunkett & Kingery Plunkett and Kingery Poly Polycrystal polycrystalline graphite Polycrystalline nickel present results present thesis Pyrolytic graphite data pyrolytic graphite specimens pyrometer radiant energy radiation recorder chart results are shown shown on Fig sight tube silicon carbide single crystal graphite single crystal nickel spectral emissivity values spectral reflectivity surface Normal surface preparation Table temperature coefficient thermal Thermal Radiation transmission Laue UF-4-S grade visible region vity water-cooled sight tube wavelength Wavelength in microns X-point X-ray ηλ λμ