40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  PSL  Not logged in ELOG logo
Entry  Tue Jun 29 11:53:41 2010, Frank, Notes, NoiseBudget, list of emissivity coefficients 
    Reply  Tue Jun 29 13:22:51 2010, Jenne, Notes, NoiseBudget, list of emissivity coefficients 
Message ID: 180     Entry time: Tue Jun 29 11:53:41 2010     Reply to this: 181
Author: Frank 
Type: Notes 
Category: NoiseBudget 
Subject: list of emissivity coefficients 

source: http://www.engineeringtoolbox.com/emissivity-coefficients-d_447.html

 

Surface Material Emissivity Coefficient
- ε -
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
Aluminum paint  0.27 - 0.67
Antimony, polished 0.28 - 0.31
Asbestos board  0.96
Asbestos paper 0.93 - 0.945
Asphalt 0.93
Basalt 0.72
Beryllium 0.18
Beryllium, Anodized 0.9
Bismuth, bright 0.34
Black Body Matt 1.00
Black lacquer on iron 0.875
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 0.93
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, rough 0.94
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 smooth 0.92 - 0.94
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
Lime wash 0.91
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
Oak, planed 0.89
Oil paints, all colors 0.92 - 0.96
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, rough 0.91
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
ELOG V3.1.3-