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39
Appendix: Emissivity of Raw Materials
(For reference purpose only)
Material
Surface
Temp (
℃
/
℉
)
Emissivity (ε)
Aluminum
inoxidized
100/212
0.20
Oxidized
100/212
0.55
Brass
Brown polished
20/68
0.40
Unpolished
38/100.4
0.22
Oxidized
100/212
0.61
Copper
Oxidized badly
20/68
0.78
Iron
Oxidized
100/212
0.74
Rusted
25/77
0.65
Cast Iron
Oxidized
200/392
0.64
inoxidized
100/212
0.21
Wrought
Iron
Rough
25/77
0.94
Polished
38/100.4
0.28
Nickel
Oxidized
200/392
0.37
Stainless
Steel
Oxidized
60/140
0.85
Steel
800
℃
(1472
℉
)
Oxidized
200/392
0.79
Brick
--
20/68
0.93
Concrete
--
20/68
0.92
Glass
Smooth flat
20/68
0.94
Lacquer
White
100/212
0.92
Natural Black
100/212
0.97
Carbon
Smoky black
25/77
0.95
Candle smoke
20/68
0.95
Black-lead rough
20/68
0.98
Paint
16 Color average
100/212
0.94
Paper
White
20/68
0.93
Soil
--
20/68
0.90
Wood
Polished
30/86
0.90
Water
--
30/86
0.96
Skin
Human
32/89.6
0.98
China
Fine
21/69.8
0.90
Rough
21/69.8
0.93
Содержание Artemis TI-CS-T1
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