IEVref:845-21-053ID:
Language:enStatus: Standard
Term: irradiance
Synonym1:
Synonym2:
Synonym3:
Symbol: Ee
E
Definition: density of incident radiant flux with respect to area at a point on a real or imaginary surface

E e = d Φ e dA

where Φe is radiant flux and A is the area on which the radiant flux is incident

Note 1 to entry: The corresponding photometric quantity is "illuminance". The corresponding quantity for photons is "photon irradiance".

Note 2 to entry: The irradiance is expressed in watt per square metre (W·m−2).

Note 3 to entry: This entry was numbered 845-01-37 in IEC 60050-845:1987.


Publication date:2020-12
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5: