Elgas DATCOM, Operating Instructions Manual

Page: 10 / 228

ELCOR, ELCOR plus
8
p ... absolute pressure at metering conditions kPa
p
b
... absolute pressure at base conditions kPa
Q ... flow rate at measurement conditions (primary flow rate) m 3 /h
Q
b
... flow rate at base conditions (converted flow rate) m 3 /h
T ... absolute temperature at measurement conditions (T = t +
273,15)
K
t ... gas temperature °C
T
b
... absolute temperature at base conditions K
V ... volume V
m
or V
c
V
m
... volume at measurement conditions (primary volume) m 3
V
c
... corrected volume at measurement conditions (volume
corrected based on correction profile of the gas meter)
m
3
V
b
... volume at base conditions (converted volume) m 3
V
bs
... substitute volume at base conditions (substitute converted
volume)
m 3
V
s
... substitute volume at measurement conditions (substitute
primary volume)
m
3
V
f
... primary volume for the set tariff (tariff counter of primary
volume)
m 3
V
bf
... volume at base conditions for the set tariff (converted volume
counter)
m 3
Z ... gas compressibility factor at measurement conditions -
Z
b
... gas compressibility factor at base conditions -