EU: JOULE_PER_SQ_METRE
Status:
STD 2005/06/07
Code:
108
Symbol:
J/m
2
EQ label:
RADIANT_ENERGY_FLUENCE
Quantities associated with this Unit
Quantity:
radiant spherical exposure (radiant fluence)
Concept definition:
The integral from 0 to Δ
t
of
E
0
over
t
where
E
0
is the spherical irradiance [
ISO 80000-7:2008
, item 7-16] acting during time interval with duration Δ
t
[
ISO 80000-3:2006
, item 3-7].
1 J/
m
2
= 1
kg
/
s
2
.
Reference type:
PR
Reference:
[
ISO 80000-7:2008
, item 7-17.a]
Supplemental references:
Quantity:
energy fluence
Concept definition:
At a given point of space, the sum of the radiant energies d
R
[
ISO 80000-10:2009
, item 10-46], exclusive of rest energy, of all particles incident on a small spherical domain, divided by the cross-sectional area d
A
[
ISO 80000-3:2006
, item 3-3] of that domain: d
R
/d
A
.
Reference type:
PR
Reference:
[
ISO 80000-10:2009
, item 10-47.a]
Supplemental references:
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