Environmental Engineering Reference
In-Depth Information
accurate even in cases where the evaporator was frequently started and stopped, as it was in
January.
Figure 28. Daily heat collected for June 1985.
Figure 29. Daily water production for June 1985.
Table 16. Comparison between measured and simulation results
for January and June 1985
Jan. 1985
Jun. 1985
Heat collection amount
(kcal/month)
Simulation
120,100,000
152,400,000
Measured
115,100,000
153,100,000
Error (%)
4.3
-0.45
Product water amount
(m 3 /month)
Simulation
2,290
3,340
Measured
2,340
3,430
Error (%)
-2.1
-2.6
Table 16 shows a comparison between the actually measured values and the calculation
values for January and June. Although the operation of the evaporator and the heat collection
operation are greatly influenced by subtle changes in the set temperature conditions for
operation and the ever-changing climatic conditions, it can be seen that the two sets of figures
match relatively well. Consequently, it is assumed that this program will be quite serviceable
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