mru NOVA compact - Page 44

USER MANUAL
NOVA
compact
MRU GmbH, D-74172 Neckarsulm
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2max2
2max2
][]
2
/
[
3
3
OO
refOO
m
mg
CO
refO
mmg
CO
−
−
⋅=
nu
trAG
nu
trAG
H
V
m
mg
CO
H
V
O
mmg
CO
kWh
mg
CO
,
min,
3
,
min,
3
][]
2
%
0
/
[
][ ⋅⋅=
⋅
= λ
CO
mg
MJ
CO
mg
kWh
[ ]
[ ]
,6
=
3
CO
mg
MJ
CO
mg
kWh
[ ]
[
]
,6
=
3
NO-conversion of NO [ppm]
[
]
λ ⋅==
][
]
2%0
[ ppm
NO
O
ppm
NOppm
NOundel
2max2
2max2
][]
2
[
OO
refOO
ppmNO
refO
ppm
NO
−
−
⋅=
NO
mg
m
NO ppm[
] [ ] ,339
3
1= ⋅
2max2
2max2
][]
2
/
[
3
3
OO
refOO
m
mg
NO
refO
mmg
NO
−
−
⋅=
nu
trAG
nu
trAG
H
V
m
mg
NO
H
V
O
mmg
NO
kWh
mg
NO
,
min,
3
,
min,
3
][]
2%0
/
[][
⋅⋅=⋅= λ
6,3
][
][
kWh
mg
NO
MJ
mg
NO =
2max
2
%8,1max
2
][]
2%14
[
O
O
O
ppmNO
CO
ppm
NO
−
−
⋅=
NO2-conversion of NO2 [ppm]
No conversions of NO2! All the values of interest are in the NOx conversion.
NOx-conversion of NO [ppm] (possible also of NO2 [ppm])
05,1
][][
⋅= ppm
NOppm
NOx
(if no NO2-sensor exists)
[ ]
ppmNOppmNOppmNOx 2][][ +=
(if a NO2-sensor exists)
[
]
λ
⋅== ][
]
2%
0
[
ppmNOx
O
ppm
NOx
ppmunvNOx
2max2
2max2
][]
2
[
OO
bezOO
ppmNOx
bezO
ppm
NOx
−
−
⋅=
If NOx is specified in mg, it has to be considered, that all the NO in the atmosphere will become
NO2. Therefore the conversion factor ppm => mg is factor of NO2.
053,2][][
3
⋅= ppmNOx
m
mg
NOx