Fluids Table 2: Minimum Required Flow Rate (L/min) for Nonlaminar Flow
Re>3000
Fluid
(% by weight)
t = -1 deg C
Nominal Diameter SDR 11 Pipe
t = 10 deg C
Nominal Diameter SDR 11 Pipe
3/4 in.
(20 mm)
1 in.
(25 mm)
1 1/4 in.
(32 mm)
1 1/2 in.
(37.5 mm)
3/4 in.
(20 mm)
1 in.
(25 mm)
1 1/4 in.
(32 mm)
1 1/2 in.
(37.5 mm)
20% Ethanol
14.3
18.2
22.7
26.1
9.8
12.1
15.1
17.4
20% Ethylene Glycol
9.5
11.7
14.8
17.0
6.8
8.4
10.6
11.7
20% Methanol
11.0
13.6
17.0
19.7
7.6
9.5
11.7
13.2
20% Propylene Glycol
12.9
15.9
20.4
23.1
8.7
10.6
13.6
15.5
20% Calcium Chloride
8.6
11.0
13.6
15.5
5.3
7.6
8.4
9.7
Water
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4.2
5.3
6.5
7.6