EDM WQL H RC 524 1604

WQL/WQH/WQRC 524-1604
|
13
Table 3
Ethylene Glycol Percentage
LWT (°C) Corrective factor K
f
E
Corrective factor K
p
E
10%
5 1.0154 1.071
4 1.0154 1.076
3 1.0154 1.081
2 1.0154 1.085
20%
1 1.0417 1.193
0 1.0423 1.2
-1 1.0428 1.208
-2 1.0434 1.215
30%
-3 1.0927 1.299
-4 1.0936 1.306
-5 1.0945 1.32
-6 1.0954 1.333
Table 4
Propylene Glycol Percentage % 0 10 20 30 40 40
Freezing point (1) °C 0 -3 -7 -13 -22 -25
Capacity corrective factor (2) K
c
P
1 0.991 0.977 0.945 0.911 -8
Absorbed power corrective factor (2) K
i
P
1 0.994 0.991 0.975 0.966 0.955
Flow rate corrective factor K
f
P
1 1.005 1.03 1.067 1.13 0.98
(1) ASHRAE Handbook Fundamentals.
(2) Valid for LWT=7 °C. If LWT < 7°C consider Kc x KcP and Ki x KiP.
Table 5
Ethylene Glycol Percentage
LWT (°C) Corrective factor K
p
P
10%
5 1.112
4 1.134
20%
5 1.175
4 1.196
3 1.206
30%
5 1.29
4 1.3
3 1.31
0 1.362
40%
-2 1.393
-4 1.414
5 1.433
4 1.435
3 1.456
0 1.497
-2 1.549
-4 1.58
-6 1.612
-8 1.653
Correction Factors (continued)