Analytical Chemistry and Computer Modeling

Standard values were obtained from the literature. Tests were also conducted to fully characterize Chemtane 2 cutting fuel combustion properties. Temperature measurements were made by indirect thermocouple thermometry in a closed refractory lined chamber of known heat capacity. Effective heat content was measured versus the enthalpy of propane.

Maximum Flame Temperatures:	3315 �C (45 �C)	6000 �F (80 �F)
Effective Heat Content of Gas	104.59 kj /l	2810 BTU /cu ft
@ 60 oF ( 15.6 oC) and 1 atm:	57,783 kj /kg	24,812 BTU /lb
Volume of Gas Produced from Weight of Liquid:	551.24 cm³ /gm	8.83 ft³ /lb
Density of Gas:	( @ 0 �C (32 �F) )	1.91 g/cm³
	( @ 15.6 �C (60 �F) )	1.81 g/cm³
Specific Gravity of Gas (compared to air):	( @ 0 �C (32 �F) )	1.5
Effective Heat Content for Liquid:	26,559 kjoules /l	106,000 BTU/gal
Heat of Vaporization @ 1 atm & boiling pt.:	418 kjoule/kg	180 BTU /lb
Density of Liquid: ( @ 15.6 �C , 60 �F )	0.505 g/ cm.³	4.24 lb/gal
Specific Gravity of Liquid (compared to water):	0.505 @ 15.6 / 15.6 �C	(60 �F)
Stoichiometric Ration:	3.58 kg Oxygen / kg Fuel (3.58 lb Oxygen / lb Fuel)
Typical Oxygen/Fuel Ration for Cutting:	20 ft3 Oxygen / 6 ft3 Fuel (per hr)
Vapor Pressure:	(@23.75 �C, 70 �F)	8.8 kg/sq cm 125 psig
	(@37.78 �C, 100 �F)	15.3 kg/sq cm 218 psig
	(@61.25 �C, 130 �F)	17.2 kg/sq cm 288 psig
Flash Point:	-101 0C	-150 0F
Explosive Limits:	LEL 2.3 %	UEL 9.4 %
Boiling Point:	-420C	-43.60F
Freezing Point: (from CRC Handbook)	-1850C	-3020F
To convert joules to Cal. Gm. Multiply joules by 0.239

Issued December 8, 1995

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