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A P E R T ECHNICAL P AP
Title:
Pressure Loss Equations for Laminar and Turbulent Non-Newtonian Pipe Flow
Authors:
R. A. Chilton, Bechtel Water Technology Limited R. Stainsby, AEA Technology Limited
Date:
May 1998
Publication/Venue:
Journal of of Hydraulic Hydraulic Engineering Engineering Reprinted with permission
Table 1 Parameters use for Numerical Flow Predictions
No
FLUID
D
j
m
kg/m3
N/m2
Pa.sn
n
IDENTIFIER
1
SS
0.157
1024
1.268
0.214
0.613
34 (*)
2
SS
0.157
1011
0.727
0.069
0.664
41 (*)
3
SS
0.157
1013
2.827
0.047
0.806
44 (*)
4
SS
0.157
1016
1.273
0.189
0.594
48 (*)
5
KS
0.140
1071 1.880
0.010
0.843
KERM0608 (**)
6
KS
0.140
1061
1.040
0.014
0.803
KERM2408 (**)
7
KS
0.140
1105
4.180
0.035
0.719
KERM2607 (**)
8
KS
0.079
1071
1.880
0.010
0.843
KERS0608 (**)
9
KS
0.079
1061
1.040
0.014
0.803
KERS2408 (**)
10
KS
0.079
1105
4.180
0.035
0.719
KERS2607 (**)
SS - Sewage Sludge ; KS - Kaolin Slurry (*) - Ackers and Allen (1980) ; (**) - Slatter (1995)
Table 2 Coefficients for Newtonian Turbulent Friction Factor Correlations
A
B
C
Re
Blasius
0.0000
0.079
-0.250
100,000
Lees
0.0018
0.153
-0.350
400,000
Hermann
0.0013
0.099
-0.300
2,000,000
Nikuradse
0.0008
0.055
-0.237
?
Numerical Model
0.0020
0.138
-0.350
100,000
Numerical Model
0.0014
0.090
-0.293
1,000,000
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