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Length I
D
of the usable steam manifold depends on the dimen-
sions of the air duct. The length of the absorption distance can
be reduced by using multiple steam manifolds (also see section
on the steam manifold).
Method:
Graphically determine absorption distance B
N
using the absorp-
tion distance nomogram (also see Section „Absorption Distance
Nomogramm“). Enter the value of the parameters enumerated
above into the respective quadrants. The resulting point of inter-
section indicates the value of the desired absorption distance
B
N
.
Notes:
x
1
: _______________________________[g/kg]
t
2
: _______________________________[°C]
x:_______________________________[g/kg]
:_______________________________[kg/h]
w
L
: _______________________________[m/s]
l
D
: _______________________________[mm]
Air humidity before humidification
Air temperature after humidification
Specific increase in humidity
quantity of steam introduced
air speed t
Total length of the steam manifold
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