Run 1.xlsm
PR - Proportional Rate Variation
ASTM E2515 equation (16)
Where:
θ
=
Total sampling time, min
θ
i
=
Length of recording interval, min
V
mi
=
Volume of gas sample measured by the dry gas meter during the “ith”
time interval, dcf
V
m
=
Volume of gas sample as measured by dry gas meter, dcf
V
si
=
Average gas velocity in the dilution tunnel during the "ith" time interval, ft/sec
V
s
=
Average gas velocity in the dilution tunnel, ft/sec
T
mi
=
Absolute average dry gas meter temperature during the "ith" time interval,
o
R
T
m
=
Absolute average dry gas meter temperature,
o
R
T
si
=
Absolute average gas temperature in the dilution tunnel during the "ith" time interval,
o
R
T
s
=
Absolute average gas temperature in the dilution tunnel,
o
R
Sample calculation (for the first 1 minute interval of Train 1):
94
x
0.223
x
8.66
x (
109.9
+ 460 ) x ( 81.8 +
460
)
1
x
21.64
x
8.24
x (
102.4
+ 460 ) x ( 73.8 +
460
)
PR =
105
%
PR =
)
x 100
(
100
=
s
mi
si
m
i
si
m
s
mi
T
T
V
V
T
T
V
V
PR
PFS-TECO
Page 13 of 15
Содержание Expedition-I
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