Page 160 - Petroleum Production Engineering, A Computer-Assisted Approach

Guo, Boyun / Computer Assited Petroleum Production Engg 0750682701_chap11 Final Proof page 155 3.1.2007 8:54pm Compositor Name: SJoearun

TRANSPORTATION SYSTEMS 11/155
29
28
27
26
Temperature ( C) 24 s = 1.0 in
25

23
s = 2.0 in
22 s = 1.5 in
s = 2.5 in
21
20
19
0 2,000 4,000 6,000 8,000 10,000
Distance (M)
Figure 11.14 Calculated steady-flow temperature profiles with polyethylene layers of various thicknesses.

30

25

Temperature ( C) 20 0 minute

15
10 minutes
20 minutes
30 minutes
10
Steady flow
5

0
0 2,000 4,000 6,000 8,000 10,000
Distance (M)
Figure 11.15 Calculated temperature profiles with a polypropylene layer of 0.0254 M (1 in.).

29
28
27
26
Temperature ( C) 25 s = 1.0 in

24
23
s = 2.0 in
22 s = 1.5 in
s = 2.5 in
21
20
19
0 2,000 4,000 6,000 8,000 10,000
Distance (M)
Figure 11.16 Calculated steady-flow temperature profiles with polypropylene layers of various thicknesses.