Emerson Daniel 3410 Series, Руководство по эксплуатации

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142 MISCELLANEOUS CONVERSION FACTORS
Miscellaneous equations Daniel 3410 Series Gas Ultrasonic Meter Operations Manual
January 2018 3-9000-777 Rev E
Volumetric Flow Rate
Equation B-3 Volumetric Flow Rate - U.S. Customary Units
where
Equation B-4 Volumetric Flow Rate - Metric Units
where
=
volumetric flow rate (ft
3
/h) (
QMeter
)
=
gas flow velocity (ft/s) (
AvgFlow
)
=
geometric constant, pi (dimensionless) (3.14159265...)
=
pipe inside diameter (in) (
PipeDiam
)
=
volumetric flow rate (m
3
/h) ( QMeter )
=
gas flow velocity (m/s) (
AvgFlow
)
=
geometric constant, pi (dimensionless) (3.14159265...)
=
pipe inside diameter (m) (
PipeDiam
)
Q
ft
3
hr
⁄
V
ft s
⁄
3600
×
s hr
⁄
π
D
in
2
4
-----------
1 ft
12 in
-----------
2
× ×
=
V
ft s
⁄
D
in
2
×
3600
π ×
4 12
2
×
---------------------
s ft
2
hr in
2
--------------
×
=
V
ft s
⁄
D
in
2
×
19.63495 s ft
2
( )
hr in
2
( ) ⁄ ( ) ×
=
Q
ft
3
hr
⁄
V
ft s
⁄
π
D
in
Q
m
3
hr
⁄
V
m s
⁄
3600
×
s hr
⁄
π
D
m
2
4
-----------
×
=
V
m s
⁄
D
m
2
×
3600
π ×
4
---------------------
s hr
⁄ ( ) ×
=
V
m s
⁄
D
m
2
×
2827.433 s hr
⁄ ( ) ×
=
Q
m
3
hr
⁄
V
m s
⁄
π
D
m