Page 312 - Design and Operation of Heat Exchangers and their Networks
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298   Design and operation of heat exchangers and their networks



             Example H6C4—cont’d

            Table 6.29 Problem data for H6C4 (Khorasany and Fesanghary, 2009).
                                                        2
                                        _
            Stream   T in (°C)  T out (°C)  C (kW/K)  α (kW/m K)  Cost ($/kWyr)
            H1        85       45       156.3     0.05
            H2       120       40        50       0.05
            H3       125       35        23.9     0.05
            H4        56       46       1250      0.05
            H5        90       86       1500      0.05
            H6       225       75        50       0.05
            C1        40       55       466.7     0.05
            C2        55       65       600       0.05
            C3        65      165       180       0.05
            C4        10      170        81.3     0.05
            HU       200      198                 0.05         100
            CU        15       20                 0.05          15
                                            2
            Heat exchanger cost¼60A$/yr (A in m )
                                                  Total annual cost ($/yr)

            Solutions in the literature     Reported       Revised
            Own work                        –              5,585,391
            Xiao and Cui (2017)             5,589,493 a    5,585,784
            Peng and Cui (2015)             5,596,079      5,592,285
            Chen and Cui (2016)             5,593,970 b    5,593,028
            Zhang et al. (2017)             5,607,761      5,607,754
            He and Cui (2013)               5,609,271      5,609,270
            Ravagnani et al. (2005)         5,672,821
            Myankooh and Shafiei (2016)     5,640,721      5,640,719
            Myankooh and Shafiei (2015)     5,640,724
            Huang et al. (2012) c           5,738,268      5,642,268
            Huo et al. (2013)               5,645,688      5,642,387
            Khorasany and Fesanghary (2009)  5,662,366     5,642,958
            Gorji-Bandpy et al. (2011)      5,139,495      5,643,660
            Huo et al. (2012)               5,657,000      5,646,818
            Yerramsetty and Murty (2008)    5,666,756      5,666,750

                                                     Total annual cost ($/yr)
            Solutions in the literature
                                               2
            Heat exchanger cost58000+60A$/yr (A in m )  Reported  Revised
            Pava ˜o et al. (2017a)                 5,713,267   5,713,267
            Pava ˜o et al. (2017b)                 5,715,026   5,714,929
            Huang and Karimi (2014)                5,733,679   5,734,428
            a
            After revision, H1C2 is deleted.
            b
             After revision, 5units are deleted.
            c
            With stream split.
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