Parameterization
D184B097U02
FV4000-VT4/VR4 / FS4000-ST4/SR4
93
8.7.5 Standard
factor
Under constant operating conditions (constant pressure and temperature), the standard factor
can be entered here.
The standard factor is defined as the ratio between standard flow and operating flow:
Standard factor =
)
T
273
(
273
bar
013
,
1
)
p
bar
013
,
1
(
Qv
Qn
+
×
+
=
Qn Standard flow
Qv Operating
flow
P
Operating pressure [bar ü]
T Temperature
[°C]
ρ
V Operating
density
ρ
N Standard
density
Since the mass flow is constant, the following formula applies:
N
V
Qv
Qn
ρ
ρ
=
8.7.6 Operating
density
Please refer to the "AP-Calc" product selection and dimensioning program, which ABB provides
free of charge.
Summary of Contents for FS4000-SR4
Page 125: ...Appendix D184B097U02 FV4000 VT4 VR4 FS4000 ST4 SR4 125 ...
Page 126: ...Appendix 126 FV4000 VT4 VR4 FS4000 ST4 SR4 D184B097U02 ...
Page 127: ...Appendix D184B097U02 FV4000 VT4 VR4 FS4000 ST4 SR4 127 ...
Page 128: ...Appendix 128 FV4000 VT4 VR4 FS4000 ST4 SR4 D184B097U02 ...
Page 129: ...Appendix D184B097U02 FV4000 VT4 VR4 FS4000 ST4 SR4 129 ...
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