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Full text of "The Flow Of Gases In Furnaces"

HEAT CAPACITY AND CALORIFIC INTENSITY CURVES   363

TABLE 5

COMPUTATION FOR POINTS ON HEAT CAPACITY CURVES SHOWING THE EFFECTS
OF PREHEATING GAS, AIR SUPPLY AND BOTH THE GAS AND THE AIR
SUPPLY

The numerical values used are obtained from Tables 3 and 4, and are
combined as indicated.

Temperature of Preheat
	0
	200
	400
	600
	800
	1000
	1200
	

Calories Released Gas (A) (B)
	2254
	145
	308
	441
	623
	811
	995
	60% air

A+B      2(C)
	
	2399
	2562
	2695
	2877
	3065
	3249
	points

(Z
	
	137
	278
	425
	57 S
	732
	893
	

A+D*=E   S
	
	2391
	2532
	2679
	2827
	2986
	3147
	points

C+D       s
	
	253(3
	2840
	3120
	3450
	3797
	4140
	points

F B + F**G    S
	3124
	3179
	3432
	3565
	3747
	3935
	4109
	80% air points

. H
	
	183
	371
	566
	765
	976
	1189
	

F~\-n       s
	
	3307
	3495
	3690
	3889
	4100
	4213
	points

G-{-H          S
	
	3362
	3803
	4131
	4612
	4911
	5298
	points

I
 J           S
	3888
	4033
	4196
	4329
	4511
	4699
	4883
	100% air points

K
	
	228
	463
	708
	956
	1220
	I486
	

li-K          2
	
	4116
	4351
	4596
	4844
	5108
	5374
	points

/-f/C          S
	
	4261
	4659
	5037
	5467
	5919
	6363
	points

L J=L            S J-f-L           
	
	274 4162 4307
	556 4442 4752
	850 4738 5179
	1147 5035 5658
	1404 5352 6163
	1784 5672 6667
	120% air points points

M tf+I          2 J-f M         
	
	320 4208 4353
	648 4536 4844
	991 4879 5320
	1888 5226 5849
	1708 5596 6407
	2081 5969 6952
	140*2 air points points

JV
 tf+J          S N+J         V
	
	411 4299
 4444
	834 4722 5030
	1274 5162 5603
	1721 5609 6232
	2107 6085 6896
	2676 6564 7559
	180% air points points

P
 P+I          2 P+J          2
	
	594 4482 4627
	1204 5092 5400
	1840 5728 6169
	%485 6373 6996
	3178 7061
 7872
	3865 7753 8748
	260% air points points

0 0-fJ            S 0-f/            2!
	
	776 4064 4809
	1575 5463 5771
	2407 6295 6736
	3251 7139 7762
	4149 8037 .9032
	
	$40% air points points

ft 72+1           S R+J          2
	
	959 4847 4992
	1946 5833 C141
	&97S 6861 7302
	4015 7904 8526
	5126 8914 9825
	
	420% air points Opoints

,S fl-fl            S S+J           S
	
	1140 .5028 5173
	2S%1 6209 6517
	SfjSf) 7423 8046
	4774 8662 9285
	6094 10082 10793
	
	500% air points points


	
	
	
	
	
	
	
	

Those computations have been carried out to obtain limiting values on the curves.