IEVref:845-01-42ID:
Language:enStatus: Obsolete
Term: radiant exposure (at a point of a surface, for a given duration)
Synonym1:
Synonym2:
Synonym3:
Symbol: He
H
Definition: quotient of dQe, radiant energy incident on an element of the surface containing the point over the given duration, by the area dA of that element

Equivalent definition. Time integral of Ee, irradiance at the given point, over the given duration Δt

H e = d Q e dΑ = Δt E e dt MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaaiaadIeadaWgaaWcbaGaaeyzaaqabaGccqGH9aqpdaWcaaqaaiaabsgacaWGrbWaaSbaaSqaaiaabwgaaeqaaaGcbaGaaeizaiabfg5abbaacqGH9aqpdaWdraqaaiaadweadaWgaaWcbaGaaeyzaaqabaaabaacdaGae8hLdqKaamiDaaqab0Gaey4kIipakiabgwSixlaabsgacaWG0baaaa@48EE@

unit: J · m-2 = W · s m-2

NOTE – The quantity exposure here defined must not be confused with the quantity also named exposure which is used in the field of X and γ rays, the unit of which is coulomb per kilogram (C kg-1).


Publication date:1987
Source
Replaces:
Internal notes:2017-06-02: Cleanup - Remove Attached Image 845-01-42.gif
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5: