Infrared Radiation: A Handbook for Applications, with a Collection of Reference Tables |
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Page 250
... Eeff ( 0 ) eff ( R ) & eff feff ( 0 ) Eeff ( 0 ) eff ( R ) -r eff eff ( 0 ) eff ( R ) [ 7 ] [ 6 ] [ 7 ] [ 6 ] [ 7 ] 0.9984 0.9986 0.99995 0.9956 0.9961 432 0.5 0.25 11 Ɛeff [ 6 ] - 0.9936 0.9945 0.9975 0.9815 0.9785 0.9848 0.9850 0.9389 ...
... Eeff ( 0 ) eff ( R ) & eff feff ( 0 ) Eeff ( 0 ) eff ( R ) -r eff eff ( 0 ) eff ( R ) [ 7 ] [ 6 ] [ 7 ] [ 6 ] [ 7 ] 0.9984 0.9986 0.99995 0.9956 0.9961 432 0.5 0.25 11 Ɛeff [ 6 ] - 0.9936 0.9945 0.9975 0.9815 0.9785 0.9848 0.9850 0.9389 ...
Page 253
... Eeff , hem . ( 8.57 ) Equation ( 8.57 ) permits a comparison between the radiation of a blackbody whose area equals the area of the exit aperture of a cylindrical cavity , and the radiation of the cavity that is , it describes the ...
... Eeff , hem . ( 8.57 ) Equation ( 8.57 ) permits a comparison between the radiation of a blackbody whose area equals the area of the exit aperture of a cylindrical cavity , and the radiation of the cavity that is , it describes the ...
Page 253
... Eeff ( x ' ) ) ; ε = [ 1 — Ɛff ( r ' ) ] . ε ( 8.55 ) The values of & eff can always be computed if the values of x ' and r ' are known . The total heat loss in the cavity is 0 + 2xrzd = { xDq dx + 2xrq or Q - πR2 T • = 4 [ 9 xDq dz R ...
... Eeff ( x ' ) ) ; ε = [ 1 — Ɛff ( r ' ) ] . ε ( 8.55 ) The values of & eff can always be computed if the values of x ' and r ' are known . The total heat loss in the cavity is 0 + 2xrzd = { xDq dx + 2xrq or Q - πR2 T • = 4 [ 9 xDq dz R ...
Contents
Basic Concepts and Definitions | 5 |
Blackbody Radiation Laws | 41 |
73 | 58 |
Copyright | |
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Ab₂ absorption angles of view aperture b₂ bast blackbody model blackbody radiation body brightness temperature C₂ cm deg cm² color temperature computed curves cylindrical cavity detector determined diation eff(r effective emissivity Elementary area emitted energy equation Equilibrium between solid flame Globar heat infrared radiation infrared spectral region Integrated Radiance Contrast interval Irradiance coefficients Lambert's law lamps layer liquid materials maximum measurements medium metals method mg/cm² Moscow Nernst glower obtain optical oxidized P₂ perature photons Planck formula plane powder properties pyrometer quantities Radiant Emittance radiant flux radiant intensity ratio reflection Russian sample scale solid and liq solid angle solidification point Spectral and Integrated spectral distribution spectral emissivity spectral radiance spectrum standard source T₁ T₂ TABLE 2 Continued tantalum thermal radiation tion tungsten values W/cm² wavelength Ελ λιμ Γλ μ Γλ