Page 322 - Design and Operation of Heat Exchangers and their Networks
P. 322
308 Design and operation of heat exchangers and their networks
Example H13C7—cont’d
Table 6.34 Problem data for H13C7 (Xiao et al., 2018).
2
_
Stream T in (°C) T out (°C) C (kW/K) α (kW/m K) Cost ($/kWyr)
H1 576 437 23.1 0.06
H2 599 399 15.22 0.06
H3 530 382 15.15 0.06
H4 449 237 14.76 0.06
H5 368 177 10.7 0.06
H6 121 114 149.6 1
H7 202 185 258.2 1
H8 185 113 8.38 1
H9 140 120 59.89 1
H10 69 66 165.79 1
H11 120 68 8.74 1
H12 67 35 7.62 1
H13 1034.5 576 21.3 0.06
C1 123 343 10.61 0.06
C2 20 156 6.65 1.2
C3 156 157 3291 2
C4 20 182 26.63 1.2
C5 182 318 31.19 1.2
C6 318 320 4011.83 2
C7 322 923.78 17.6 0.06
HU 927 927 5
CU 9 17 1
2
Heat exchanger cost¼4000+500A 0.83 $/yr (A in m )
Total annual cost ($/yr)
Solutions in the literature Reported Revised
Own work – 1,410,649
a
Xiao et al. (2018) 1,447,482 1,435,931
Escobar and Trierweiler (2013) 1,461,006 b 1,489,667
Pava ˜o et al. (2016) 1,516,482
a
No stream split.
b
After revision, H8C1 is deleted.