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Fuel Consumption
Estimated fuel supply requirements at half and full load for
natural gas and LP vapor fuels are shown here.
Physical
Properties
LP Vapor Natural
Gas
Normal Atmospheric
State
Gas Gas
Boiling Point (in °F):
Initial
End
-44
-44
-259
-259
Heating Value:
BTU per gallon (Net
LHV*)
BTU per gallon (gross**)
Cubic feet (gas)
83,340
91,547
2,500
63,310
1,000
Density*** 36.39 57.75
Weight† 4.24 2.65
Octane Number:
Research
Motor
110+
97
110+
* LHV (Low Heat Value) is the more realistic rating.
** Gross heat value does not consider heat lost in the form of water during
combustion.
*** Density is given in “Cubic Feet of Gas per Gallon of Liquid”.
† Weight is given in “Pounds per Gallon of Liquid”.
60kW LP Vapor Fuel Consumption
Full Load 1/2 Load Exercise
BTU/hr 862500 500000 207500
CF/ph 345 200 83
m³/ph 9.8 5.7 2.4
GAL/hr 9.0 5.2 2.2
55kW Natural Gas Fuel Consumption
Full Load 1/2 Load Exercise
BTU/hr 788000 463000 217000
CF/ph 788 463 217
m³/ph 22.3 13.1 6.2
NOT
for
REPRODUCTION