Wobbe Index by Myself

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References Inputs Amount fraction Component SG Btu (HHV) T , °F % mol/ mol Btu (LHV)  Nitrogen 0!"#$ 0 "00 0 0 Car io &'&!' 0 "00 ' 0 Metane 0''! *!&'" "00 * *0$"! ,tane &0*$ &'"$&- "00 '*$ &-$**- .ropane &'$$' $$$&& "00 &' $0-# so1utane &!# $*#!#" "00 $ $"'#" N1utane &!# $*#!#" "00 0 $"'#" Neopentane $-!&& '*" "00 0 $#$ sopentane $-!&& '*" "00 0 $#$ Npentane $-!&& '*" "00 0 $#$ Ne2ane $!#'' -&!*$- "00 0 **#$& 3eptane -'!* -*'#&* "00 & -'0&#$ 4ater 0"$$0 --- "00 00& 0 526gen &&0-* 0 "00 00$ 0 &00 Wobbe Index MWI  SG LHV HHV '0$#$$*$'#"" '"-! 0#&##-" &0' -$'!0''$ 0 0 !* & 0$ 0$' 0# 0 0$& 0&- 00" 00$ 0 0 S5 "!#" (&!!') Natural gas - Calculation of caloric values, density , relative den sit

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Calculation wobbe index

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References

Inputs Amount fraction

Component SG Btu (HHV) T, °F % mol/ mol Btu (LHV)  

Nitrogen 0!"#$ 0 "00 0 0

Cario &'&!' 0 "00 ' 0

Metane 0''! *!&'" "00 * *0$"!,tane &0*$ &'"$&- "00 '*$ &-$**-

.ropane &'$$' $$$&& "00 &' $0-#

so1utane &!# $*#!#" "00 $ $"'#"

N1utane &!# $*#!#" "00 0 $"'#"

Neopentane $-!&& '*" "00 0 $#$

sopentane $-!&& '*" "00 0 $#$

Npentane $-!&& '*" "00 0 $#$

Ne2ane $!#'' -&!*$- "00 0 **#$&

3eptane -'!* -*'#&* "00 & -'0&#$

4ater 0"$$0 --- "00 00& 0526gen &&0-* 0 "00 00$ 0

&00

Wobbe Index MWI   SG LHV HHV

'0$#$$*$'#"" '"-! 0#&##-" &0' -$'!0''$

0

0

!*

&

0$

0$'

0#

0

0$&

0&-

00"

00$

0

0

S5 "!#" (&!!') Natural gas - Calculation of caloric values, density, relative densit

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839 Converter SG ma2 4

N:9(MJ/m;)

0 0 0 0 0 0

0 0 0 0 00#'!##$!' 0

##0" &$!'!* !&&&- #'"$- !-* 0-'!#'-"-! *""0# *-'$#- &"$&*! !-!- "0- 00"0-$'0# &0*-

!!- $!'!&& $&!-- #0"$ *"-$ 00-#!"0&* &'

&$&#! $-'* 0&"#& "0- &&$- 00*#-'&- $

&$&#! 0 0&"#& 0 &&$- 0 0

&-!"" 0 #&!! 0 &** 0 0

&-!"" 0 #&!! 0 &** 0 0

&-!"" 0 #&!! 0 &** 0 0

&##'' 0 --&$' 0 &"-- 0 0

$0'-$ $0'-$ '&0!! '&0!! &!0! 00-'!##$ &

&** 0000&** 0 0 0 "$$0&!,00' 00&0 0 0 0 0 0000$$0!"" 0

and Wobbe index from composition

  GCV (MJ/m³)

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min 4 ma2 S: min S: SG

0"0

' 0 0

' 0 -#$ !-!! 00& '00

!&!# * &00 -* !&*' &' '000 '*$ 0 -! !&' 00 3.85

0 &' 0 '0 !-#0 $!' $'

0 $ 0 '& !""' $#0 0"'

0 0 0 '&' !""' &' 0$0

0 0 0

0 0 0

0 0 0

0 0 0

0 & 0

00& 00& 000$ 00$ 0

WI(MJ/m³)

CH4 C3H8  N2