International Electrotechnical Commission

of or pertaining to matters relating to the sun or its irradiance

a) solar constant

(Unit: W m–2)

irradiance produced by extraterrestrial solar radiation on a surface normal to this radiation at the mean Sun-Earth distance

NOTE The latest value for the solar constant is 1 367 W m–2 adopted by the Commission for Instruments and Methods of Observation in World Meteorological Organization in 1981

b) solar energy

common term meaning irradiation

c) solar power

common term meaning irradiance

d) solar radiation

common term meaning irradiation

e) solar spectrum

(Unit: J m–2 m–1)

distribution of the solar irradiation as the function of wavelength

TC/SC:82Terms     Info     Publications
Published in:IEC 61836, ed. 2.0 (2007-12) Terms     Info
Reference number:3.6.40
Source:IEV 845-09-78 (modified)

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