User's Manual

DATA COMPUTATIONS C-13
MON2000
JULY 2010 Heating Value Calculations
where
where
where
WVC Water volume content (provided by a “live analog input”
Equation C-14 Wobbe Index Calculation
W.I. Wobbe index value
CORRGROSSBTU Corrected Dry BTU for total gas Sample
as calculated in Equation C-10
RD real Relative Density as calculated in
Equation C-9
Equation C-15 Weight Percent Calculation
WTpercent
n
weight percent of component “n”
CONC
n
concentration in mole percent of
component “n”
Mw
n
molecular weight of component “n”
sum of weights of all components in
sample
WI
CORR GROSS()BTU
RD
------------------------------------------------------
=
All components in the
sample must be measured in
order to calculate weight
percent.
WTpercent
n
CONC
n
()MW
n
()
CONC
i
()
i 1=
k
∑
MW
i
()
--------------------------------------------------
100×=
i 1=
k
∑