Calculating The Quantity Of Gas Supplied - Bentone BG 550 Installation And Maintenance Instruction
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- Installation and maintenance instruction (52 pages) ,
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Calculation example:
T = 15°C
B = 945 mbar
P = 15 mbar
f
=
273
.
273+15
This means that the quantity of gas read from the gas meter should actually
be read off as 1.11 . the calculated flow in a normal state.
V
=
V
.
f
0
V
=
V
.
f
A
0A
V
=
V
.
f
B
0B
V
=
V
.
f
C
0C
5.7 Calculating the quantity of gas
supplied
The quantity of gas supplied can be calculated if the system is equipped with
a gas flow meter of some type. The procedure here is usually to measure
how long it takes for the burner to consume a certain quantity of gas.
To measure:
t = Time for a certain quantity of gas consumed by the burner.
M = Quantity of gas consumed.
V = Actual gas flow
V
=
M
[m
3
/h]
t
Calculation example:
t = 1 min 10 s
M = 450 dm
3
(litre)
M
=
450
=
0.45 m
1000
t
=
1
+
60
3600
V
=
M
=
0,45
t
0.0194
945+15
≈
1013.25
=
58.8
.
0.90
≈
53 m
=
58.5
.
0.90
≈
53 m
=
58.9
.
0.90
≈
53 m
3
10
=
0.0194 h
≈
23.2 m
3
/h
0.90 Nm
3
/h
3
/h
3
/h
3
/h
[h]
[m
3
]
[m
3
/h]
29
Bentone
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