System Design
06-237518-001
3-7
July 2018
3-7
IG-55 TOTAL FLOODING CONCENTRATION FACTOR TABLES
Table 3-6. IG-55 Total Flooding Quantity
Temperature
t
°C
Specific
Vapour
Volume
S
IG-55 mass required per unit volume of protected space, m/V (kg/m3)
Design Concentration (volume %)
m3/kg
34%
38%
42%
46%
50%
54%
58%
62%
-25
0.5994
0.693
0.798
0.909
1.028
1.156
1.296
1.447
1.614
-20
0.6115
0.680
0.782
0.891
1.008
1.134
1.270
1.419
1.582
-15
0.6236
0.666
0.767
0.874
0.988
1.112
1.245
1.391
1.552
-10
0.6356
0.654
0.752
0.857
0.969
1.090
1.222
1.365
1.522
-5
0.6477
0.642
0.738
0.841
0.951
1.070
1.199
1.339
1.494
0
0.6598
0.630
0.725
0.826
0.934
1.051
1.177
1.315
1.466
5
0.6719
0.618
0.711
0.811
0.917
1.032
1.156
1.291
1.440
10
0.6840
0.608
0.699
0.796
0.901
1.013
1.135
1.268
1.415
15
0.6960
0.597
0.687
0.783
0.885
0.996
1.116
1.246
1.390
20
0.7081
0.587
0.675
0.769
0.870
0.979
1.097
1.225
1.366
25
0.7202
0.577
0.664
0.756
0.856
0.962
1.078
1.205
1.343
30
0.7323
0.567
0.653
0.744
0.841
0.947
1.060
1.185
1.321
35
0.7444
0.558
0.642
0.732
0.828
0.931
1.043
1.165
1.300
40
0.7564
0.549
0.632
0.720
0.815
0.916
1.027
1.147
1.279
45
0.7685
0.541
0.622
0.709
0.802
0.902
1.010
1.129
1.259
50
0.7806
0.532
0.612
0.698
0.789
0.888
0.995
1.111
1.240
55
0.7927
0.524
0.603
0.687
0.777
0.874
0.980
1.094
1.221
60
0.8048
0.516
0.594
0.677
0.766
0.861
0.965
1.078
1.202
m =(V/s)·ln(100/(100-C)), agent mass, kg
FF = m/V=(1/s)·ln(100/(100-C)), mass flooding factor, kg/m
3
C = agent concentration, vol %
V = volume, m
3
s = a + b*t, specific volume of agent, m
3
/kg, where a and b are agent-specific constants
IG-55: a = 0.6598 kg/m
3
IG-55: b = 0.002416 kg/m
3
-°C
t = temperature,
°
C
Содержание 400 Series
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