|
|
Unit
|
Natural
Gas
|
Propane
|
Butane
|
|
Gas
relative density (air = 1)
|
|
0.602
|
1.523
|
1.941
|
|
Gross
cv.
|
-
MJ/m3
|
38.63
|
93.87
|
117.75
|
|
|
- MJ/kg
|
52.41
|
50.22
|
49.41
|
|
Nett cv.
|
- MJ/m3
|
34.88
|
86.43
|
108.69
|
|
|
- MJ/kg
|
47.32
|
46.24
|
45.61
|
|
Liquid
relative density at 15 0C (water = 1)
|
|
|
0.510
|
0.575
|
|
Vol.
gas/vol. liquid (at 0 0C)
|
|
|
274
|
233
|
|
Wobbe
number
|
MJ/m3
|
49.79
|
76.06
|
84.52
|
|
|
|
|
|
|
|
Stoichiometric
air requirements:
|
|
|
|
|
|
vol/vol
tuel (gaseous)
|
|
9.76
|
23.76
|
29.92
|
|
mass/mass
tuel
|
|
16.5
|
15.6
|
15.3
|
|
vol/massfuel
|
m3/kg
|
13.24
|
12.73
|
12.50
|
|
|
|
|
|
|
|
Stoichiometric
combustion products:
|
|
|
|
|
|
-
C02
|
-
%vol
|
9.7
|
11.7
|
12.0
|
|
-
H20
|
-
%vol
|
18.6
|
15.4
|
14.9
|
|
--
N2
|
-
%vol
|
71.7
|
72.9
|
73.1
|
|
-
Dewpoint
|
-
oC
|
59
|
55
|
54
|
|
-
C02 in dry products
|
-
%vol
|
11.9
|
13.8
|
14.1
|
|
Theoretical
flame temperature 0C
|
|
1
930
|
2
000
|
2
000
|
|
Limits
ot flammability (% vol ./vol.
in gas/air mixture)
|
|
5-15
|
2-10
|
1.8-9
|
|
Calorific
value (saturated) = 0.9826 x calorific value (dry).
|
|
For more
information contact Mearsecroft
Created and updated by Spiders
Webs
|