Page 320 - Design and Operation of Heat Exchangers and their Networks
P. 320
306 Design and operation of heat exchangers and their networks
Example H10C10—cont’d
Table 6.33 Problem data for H10C10 (Luo et al., 2009).
2
_
Stream T in (°C) T out (°C) C (kW/K) α (kW/m K) Cost ($/kWyr)
H1 180 75 30 2
H2 280 120 15 0.6
H3 180 75 30 0.3
H4 140 45 30 2
H5 220 120 25 0.08
H6 180 55 10 0.02
H7 170 45 30 2
H8 180 50 30 1.5
H9 280 90 15 1
H10 180 60 30 2
C1 40 230 20 1.5
C2 120 260 35 2
C3 40 190 35 1.5
C4 50 190 30 2
C5 50 250 20 2
C6 40 150 10 0.06
C7 40 150 20 0.4
C8 120 210 35 1.5
C9 40 130 35 1
C10 60 120 30 0.7
HU 325 325 1 70
CU 25 40 2 10
0.8
2
Heat exchanger cost¼8000+800A $/yr (A in m )
Total annual cost ($/yr)
Solutions in the literature Reported Revised
Bohnenstaedt et al. (2014) 1,717,295 1,716,695
Pava ˜o et al. (2017b) 1,725,295 1,725,283
Zhang et al. (2016a,b) a 1,731,679 1,731,679
Laukkanen et al. (2012) – 1,738,335
Luo et al. (2009) 1,753,271 1,753,271
Pava ˜o et al. (2017c) a 1,763,488 1,758,141
a
Myankooh and Shafiei (2015) 1,762,280 1,762,280
Laukkanen and Fogelholm (2011) 1,811,900 1,793,534
a
No stream split.