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Full text of "The Flow Of Gases In Furnaces"

382

APPENDIX X

TABLE 18

GRAPHICAL COMPARISON OP FUELS

Low      High

Natural gas "C," No. 6.    B.t.u. per cubic foot =  924      1025

Calories per m3        = 8226      9126
Weight = 0 kg 743 per m3=0.0465 Ib per cubic foot.


	Products of Combustion per 100 Volumes of Gas
				Percentage Busis (Wet)
			
Composition
	
							
Volumetric
	Air Supply in Percentage of Theoretical Reruircmcnts
							

	100%
	120%
	140%
	180%
	100%
	120%
	140%
	180%

Ho           2 10
	
	
	
	
	
	
	
	

CH4      92 10
	
	
	
	
	
	
	
	

CoH4       0 50
	
	
	
	
	
	
	
	

CO         0 40
	
	
	
	
	
	
	
	

O2           0.20
	0.00
	37.35
	74.70
	149.40
	0.00
	3.08
	5.31
	8.40

H,O     ......
	187.30
	187.30
	187.30
	187.30
	18.14
	15.36
	13.32
	10.52

C02         0.50
	94.00
	94.00
	94.00
	94.00
	9.10
	7.71
	6.69
	5.28

N2           4.20
	751.20
	900.60
	1050.00
	1348.80
	72.76
	73.87
	74.68
	75.80

Total 100.00
	1032.50
	1219.25
	1406.00
	1779.50
	
	
	
	

Air supply . . .
	933.75
	1120.50
	1307.25
	1680.75
	
	
	
	

Weight:
	
	
	
	
	
	
	
	

kg per m3
	1.242
	
	
	1 268
	
	
	
	

Ib per cu ft
	0.0775
	
	
	0.0792
	
	
	
	


	
	
	
	
	Perc
	entage
	Basis (]
	3ry)


				
				

				0,
	0.00
	3.62
	6.13
	9.39


				C02
	11.11
	9.10
	7.72
	5.90


				Ns
	88:89
	87.28
	87.15
	84.71