Emissivity Coefficient

Home

Written by Willy Gerber

Sunday, 01 November 2009 00:56

Surface Material	Emissivity Coefficient
Alloy 24ST Polished	0.9
Alumina, Flame sprayed	0.8
Aluminum Commercial sheet	0.09
Aluminum Foil	0.04
Aluminum Commercial Sheet	0.09
Aluminum Heavily Oxidized	0.2 - 0.31
Aluminum Highly Polished	0.039 - 0.057
Aluminum Anodized	0.77
Aluminum Rough	0.07
Antimony, polished	0.28 - 0.31
Asbestos board and paper	0.94
Asphalt	0.93
Basalt	0.72
Beryllium	0.18
Beryllium, Anodized	0.9
Bismuth, bright	0.34
Black Body Matt	1.00
Black Parson Optical	0.95
Black Silicone Paint	0.93
Black Epoxy Paint	0.89
Black Enamel Paint	0.80
Brass Dull Plate	0.22
Brass Rolled Plate Natural Surface	0.06
Brass Polished	0.03
Brass Oxidized 600oC	0.6
Brick, red rough	0.9
Brick, fireclay	0.75
Cadmium	0.02
Carbon, not oxidized	0.81
Carbon filament	0.77
Carbon pressed filled surface	0.98
Cast Iron, newly turned	0.44
Cast Iron, turned and heated	0.60 - 0.70
Chromium polished	0.08 - 0.36
Concrete	0.85
Concrete tiles	0.63
Cotton Cloth	0.77
Copper electroplated	0.03
Copper heated and covered with thick oxide layer	0.78
Copper Polished	0.023 - 0.052
Copper Nickel Alloy, polished	0.059
Glass	0.92
Glass, pyrex	0.85 - 0.95
Gold pure and highly polished	0.018 - 0.035
Granite	0.45
Gypsum	0.85
Ice	0.97
Inconel X Oxidized	0.71
Iron polished	0.14 - 0.38
Iron, plate rusted red	0.61
Iron, dark gray surface	0.31
Iron, rough ingot	0.87 - 0.95
Lampblack paint	0.96
Lead pure unoxidized	0.057 - 0.075
Lead Oxidized	0.43
Magnesium Oxide	0.20 - 0.55
Magnesium Polished	0.07 - 0.13
Marble White	0.95
Mercury liquid	0.1
Mild Steel	0.20 - 0.32
Molybdenum polished	0.05 - 0.18
Nickel, elctroplated	0.03
Nickel, polished	0.072
Nickel, oxidized	0.59 - 0.86
Nichrome wire, bright	0.65 - 0.79
Paper offset	0.55
Plaster	0.98
Platinum, polished plate	0.054 - 0.104
Porcelain, glazed	0.92
Paint	0.96
Paper	0.93
Plaster	0.92
Plastics	0.91
Quarts glass	0.93
Roofing paper	0.91
Rubber, hard glossy plate	0.94
Rubber Nat Hard	0.91
Rubber Nat Soft	0.86
Sand	0.76
Sawdust	0.75
Silicon Carbide	0.83 - 0.96
Silver Polished	0.02 - 0.03
Steel Oxidized	0.79
Steel Polished	0.07
Stainless Steel, weathered	0.85
Stainless Steel, polished	0.075
Stainless Steel, type 301	0.54 - 0.63
Steel Galvanized Old	0.88
Steel Galvanized New	0.23
Tile	0.97
Tin unoxidized	0.04
Titanium polished	0.19
Tungsten polished	0.04
Tungsten aged filament	0.032 - 0.35
Water	0.95 - 0.963
Wood oak	0.91
Wrought Iron	0.94

Joomla! is Free Software released under the GNU/GPL License.