Omega Ti-400, Руководство пользователя

Страница: 29 / 32

Appendix A
Emissivity of common materials (for reference only)
Materials Specification
Temperature
（
℃
）
Emissivity
（
ε
）
Aluminum
Non oxidation 100 0.20
Oxidation 100 0.55
Brass
Polishing and brown 20 0.40
Dull 38 0.22
Oxidation 100 0.61
Copper Severe oxidation 20 0.78
Iron
Oxidation 100 0.74
Rust 25 0.65
Cast iron
Oxidation 200 0.64
Non oxidation 100 0.21
Wrought iron
Dull 25 0.94
Polishing 38 0.28
Nickel Oxidation 200 0.37
Stainless steel Oxidation 60 0.85
Steel
Oxidation under
800
℃
200 0.79
Brick Surface 20 0.93
Concrete Surface 20 0.92
Glass Polishing and flat 20 0.94
Paint
White 100 0.92
Black 100 0.97
Carbon
Soot 25 0.95
Candle smoke 20 0.95
Graphite rough surface 20 0.98
Paint
Average value of 16
colors
100 0.94
Paper White 20 0.93
Sand Surface 20 0.90
Wood Polishing 20 0.90
Water Distilled water 20 0.96
Skin Human 32 0.98
Ceramics
Fit 21 0.90
Crude 21 0.93