46
9. Appendix: Emissivity of Raw Material
(
For reference purpose only
)
Material Surface
Temp (
O
C
) Emissivity
(
ε
)
Inoxidized
100
0.20
Aluminium
Oxidized
100
0.55
Brown polished
20
0.40
Unpolished 38
0.22
Brass
Oxidized
100
0.61
Copper Oxidized
badly
20
0.78
Oxidized
100
0.74
Iron
Rusted
25
0.65
Oxidized
200
0.64
Cast Iron
Inoxidized
100
0.21
Rough 25 0.94
Wrought
Iron
Polished 38 0.28
Nickel Oxidized
200
0.37
Stainless
Steel
Oxidized 60 0.85
Steel
800 Oxidized
200
0.79
Brick
--
20
0.93
Concrete
--
20
0.92
Glass Smooth
flat
20
0.94
White
100
0.92
Lacquer
Natural Black
100
0.97
Smoky black
25
0.95
Candle smoke
20
0.95
Carbon
Black-lead rough
20
0.98
Paint
16 Color average
100
0.94
Paper White
20
0.93
Soil
--
20
0.90
Wood Polished
30
0.90
Water
--
30
0.96
Skin Human
32
0.98
Fine 21 0.90
China
Rough 21 0.93
Содержание IR-CAM-400
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