the effect of the particle size distribution on non-newtonian turbulent ...

Chapter 4 Results and Analysis Page 4.25
5
4.5
4
o 3.5
t-
O>
.2 3
2.5
2
ITurbulenl Bronches I
>lE
..
D=207mm
D
D=141mm
....
0= BOmm
-+-
D= 22mm
1.5 +---r--,---c----,---r----,.-----r--,---j
3 3.5 4 4.5 5 5.5 6 6.5 7 7.5
log BY/0
Figure 4.31: Turbulent flow predictions for <strong>the</strong> Bowen correlation for test
set K 20
The Bowen constants for test set K_20, as shown in Figure 4.31, are k=lO.13 and b=0.22.
4.8 DATA fROM THE LITERATURE
Experimental data obtained by Sive (1988) were used in <strong>the</strong> analysis <strong>of</strong> <strong>the</strong> various models
under consideration. The tests conducted by Sive (1988) were done using a mixture <strong>of</strong>kaolin
clay and a relatively coarse quartz sand which resulted in a non-homogeneous settling slurry
with a high representative <strong>particle</strong> <strong>size</strong>. The purpose <strong>of</strong> using this data was to see if <strong>the</strong>
coarse, settling <strong>particle</strong>s contributed to <strong>the</strong> turbulent flow headloss, as proposed by <strong>the</strong> Slatter
modeL
As can be seen from a typical result in Figure 4.32 taken from Sive (1988), Slatter's model
Was unable to predict <strong>the</strong> test data <strong>of</strong> Sive.