Buy double-or triple-pane models, designated Energy Star with a "low E" (for "emissivity") coating. From Wordnik.com. [Save Energy—And Money] Reference
I used a black body approximation to the earth’s emissivity, that is, an emissivity of 1. From Wordnik.com. [USCCSP: Temperature Trends in the Lower Atmosphere « Climate Audit] Reference
Materials commonly used in urban areas for pavement and roofs, such as emissivity than the surrounding rural areas. From Wordnik.com. [StarTribune.com rss feed] Reference
That calculation adds albedo and emissivity together. From Wordnik.com. [Gerry North's Suggested Reading on Climate Models « Climate Audit] Reference
BTW- white paint does not exactly have low emissivity. From Wordnik.com. [The Minnesota Dam Nation « Climate Audit] Reference
This is absolutely my last post here on CO2 emissivity. From Wordnik.com. [Unthreaded #21 « Climate Audit] Reference
The emissivity question is one that is not easily modeled. From Wordnik.com. [Penetrating Radiation « Climate Audit] Reference
Spectral emissivity makes more sense for a paint specification. From Wordnik.com. [Whitewashing the Temperature Record « Climate Audit] Reference
For comparison, the emissivity of the Moon is about 0.88, not 1. From Wordnik.com. [Gerry North's Suggested Reading on Climate Models « Climate Audit] Reference
The results found by Hottel are the effective emissivity of OCO. From Wordnik.com. [Unthreaded #21 « Climate Audit] Reference
Good thermal insulation and emissivity, suitable in dry climates. From Wordnik.com. [3. Design rules] Reference
Of this, 61.2% is effectively emitted emissivity to space as Pout. From Wordnik.com. [Gerry North's Suggested Reading on Climate Models « Climate Audit] Reference
Absorptivity and emissivity of any substance depends on its partial pressure. From Wordnik.com. [Unthreaded #19 « Climate Audit] Reference
Its emissivity variable runs from zero for white bodies to 1 for black bodies. From Wordnik.com. [Christopher Monckton: Apocalypse Cancelled « Climate Audit] Reference
The reflectivity and emissivity of the outer surface is then of minor importance. From Wordnik.com. [3. Design rules] Reference
The fact that absorbtion is 100% means by definition that emissivity is also 100%. From Wordnik.com. [Unthreaded #6 « Climate Audit] Reference
The things not considered are: 1. CO2 balance concerns to emissivity-absorptivity. From Wordnik.com. [Unthreaded #21 « Climate Audit] Reference
The higher the emissivity of a surface, the more a building cools down at night. From Wordnik.com. [5. Appendices] Reference
He argued against locating the weather station on a nearby lawn: The emissivity. From Wordnik.com. [2007 July « Climate Audit] Reference
The first calculation of temperature, assuming no atmosphere, sets the emissivity to 1. From Wordnik.com. [Gerry North's Suggested Reading on Climate Models « Climate Audit] Reference
As a consequence, the outer surfaces should posses absorption capacity but low emissivity. From Wordnik.com. [3. Design rules] Reference
The Earth/troposphere system is a rather badly-behaved grey body with emissivity about 0.6. From Wordnik.com. [Christopher Monckton: Apocalypse Cancelled « Climate Audit] Reference
This corresponds to approximately an emissivity of 1.0 or 0.98 where 1.0 is a true blackbody. From Wordnik.com. [Gerry North's Suggested Reading on Climate Models « Climate Audit] Reference
Whether the emissivity of CO2 is 0.00092 or greater than 0.1 depends on the path length chosen. From Wordnik.com. [Unthreaded #21 « Climate Audit] Reference
So adding water vapor not only cannot decrease emissivity of the atmosphere it must increase it. From Wordnik.com. [IPCC and Data Access « Climate Audit] Reference
Just curious, wouldn't the impact of the emissivity decrease significantly with increased altitude?. From Wordnik.com. [Unthreaded #21 « Climate Audit] Reference
Also, when temperature increases above 540 R, the absorptivity-emissivity of CO2 decreases considerably. From Wordnik.com. [Unthreaded #11 « Climate Audit] Reference
The external joinery is composed of lacquered aluminum with thermal break and low-emissivity double glazing. From Wordnik.com. [PREFAB FRIDAY: Drop House | Inhabitat] Reference
I guess my question would be whether the “effective emissivity” that is calculated is really a constant. From Wordnik.com. [Gerry North's Suggested Reading on Climate Models « Climate Audit] Reference
We must resist the temptation to estimate the emissivity of a material on the basis of its visual appearance. From Wordnik.com. [The Minnesota Dam Nation « Climate Audit] Reference
Two things to keep clear when thinking about emissivity, it is commonly under stood that emissivity = absorptance. From Wordnik.com. [The Minnesota Dam Nation « Climate Audit] Reference
One of the largest manufacturers, Velux, offers triple-coated low-emissivity glass, which helps with energy efficiency. From Wordnik.com. [Skylights can add magic to a house, but installation is everything] Reference
He divides emissivity by the remainder after the albedo is subtracted from 1 i.e. the presumed absorptivity of the surface. From Wordnik.com. [Gerry North's Suggested Reading on Climate Models « Climate Audit] Reference
You say, “I was under the impression that emissivity/absorptivity and albedo were complementary at any given wavelength.”. From Wordnik.com. [Gerry North's Suggested Reading on Climate Models « Climate Audit] Reference
On the other hand, a polished metal has a very low absorptivity and emissivity for both solar radiation and longwave radiation. From Wordnik.com. [Whitewashing the Temperature Record « Climate Audit] Reference
The emissivity responds to many factors like density, temperature, adiabatic lost of energy, gravity, geometry of the system, etc. From Wordnik.com. [Unthreaded #21 « Climate Audit] Reference
Sam, 0.1-0.2 are the ciphers used by many authors on AGW, and many dare to use figures near to bb emissivity, for example 0.6-0.9. From Wordnik.com. [Unthreaded #21 « Climate Audit] Reference
Here in the states most ALL window glass is now coated with a low emissivity coatings to enhance solar control, to meet energy codes. From Wordnik.com. [Custom made windows in Guadalajara or Colima?] Reference
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