- However, the most
commonly used form of
emissivity is the
hemispherical total emissivity,
which considers emissions as
totaled over all wavelengths, directions...
- Low
emissivity (low e or low
thermal emissivity)
refers to a
surface condition that
emits low
levels of
radiant thermal (heat) energy. All
materials absorb...
- Look up
emission in Wiktionary, the free dictionary.
Emission may
refer to:
Emission of air pollutants, notably: Flue gas, gas
exiting to the atmosphere...
- The
ratio of any body's
emission relative to that of a
black body is the body's
emissivity, so a
black body has an
emissivity of one. Absorptivity, reflectivity...
- A zero
emission engine, motor, process, or
other energy source emits no
waste products that
pollute the
environment or
disrupt the climate.
Vehicles and...
- The
emission spectrum of a
chemical element or
chemical compound is the
spectrum of
frequencies of
electromagnetic radiation emitted due to
electrons making...
-
Greenhouse gas (GHG)
emissions from
human activities intensify the
greenhouse effect. This
contributes to
climate change.
Carbon dioxide (CO2), from burning...
-
ratio of the
actual emission to the
maximum theoretical emission is an object's
emissivity. Each
material has a
different emissivity which may vary by temperature...
-
while having an
emissivity of 0.93. This is
because the
absorptivity is
averaged with
weighting for the
solar spectrum,
while the
emissivity is
weighted for...
-
emissivity—of black-body
energy levels. By definition, a
black body in
thermal equilibrium has an
emissivity ε = 1. A
source with a
lower emissivity,...
