paraffin wax deposition and fouling

profiles at different Reynolds numbers were investigated.
analysis of temperature distribution in turbulent flow, the
was also found to correspond to established data. To further the
ing to a given experimental bulk temperature. The velocity profile
could be selected to give rise to a temperature profile correspond
In the previous section it was shown how a wall temperature
6.23 Different Reynolds Numbers
scales for y in these two figures.)
layer exist, figure 6.2.3.5 was plotted. C.cote the aifferent
To show at what distances the various regites of the boundary
profile, figure 6.2.3.4 as plotted giving the results expected.
To show the effect o± Reynolds nuaber on the teaperature
wax in kerosene solution.
ing to the bulk teuperatures, was the cloud point of the paraffin
show that the wail teiperature selected to give a profile correspond
are plotted in figures 6.2.3.1, 6.2.3.2 and 6.2.3.3. These figures
or runs .30 and .32, but 17 C and 19.5 C for run P31. .ne resuts
0 0
ri —
The wail tenperatures selected were 17°C, 19.5°C and 23°C
Tc’ 19.5°C.
with concentration c = 9.6 per cent and an estimated cloud point
P32 11741 28.5 6.0
P31 8699 28.4 6.0
P30 20868 28.6 6.1
Run I b (°c) (°c)
by walker(1). The particulars for these runs were as follows:
The fouling studies results used were runs P30, P31 and P32
— 58 —