Components

Rate of exergy destruction

Cost rate of exergy destruction

Cost rate of Investment

C ˙ D , J + Z ˙ J ($⁄hr)

Exergoeconomic factors

E ˙ D , J (KW)

C ˙ D , J ($⁄hr)

Z ˙ J ($⁄hr)

Base case

EEOD

PCOD

f (%)

Base case

EEOD

PCOD

Base case

EEOD

PCOD

Base case

EEOD

PCOD

Base case

EEOD

PCOD

HP Evaporator

14.640

15.580

14.200

0.16440

0.17080

0.13400

8.240

8.273

10.230

8.404

8.444

10.360

98.04

97.98

98.71

LP Turbine

14.270

16.250

14.320

0.26730

0.30710

0.19280

22.250

23.550

22.250

22.520

23.860

22.440

98.81

98.71

99.14

Preheater 2

8.323

8.780

8.836

0.11000

011340

0.09258

7.208

7.260

10.270

7.318

7.373

10.360

98.50

98.46

99.11

HP Pump 2

1.884

1.928

2.567

0.02919

0.02927

0.03147

6.349

6.338

7.437

6.378

6.367

7.469

99.54

99.54

99.58

Preheater 1

12.590

14.370

7.501

0.18450

0.20600

0.08467

6.831

6.946

8.588

7.016

7.152

8.673

97.37

97.12

99.02

LP Evaporator

11.470

11.840

9.752

0.12020

0.12120

0.08335

6.024

5.976

7.036

6.144

6.098

7.120

98.04

98.01

98.83

HP Turbine

6.229

6.636

9.138

0.07441

0.07745

0.09285

14.940

15.470

18.400

15.010

15.540

18.500

99.50

99.50

99.50

LP Pump 1

1.637

1.700

1.478

0.03096

0.03242

0.02011

4.003

3.888

3.683

4.034

3.920

3.703

99.23

99.17

99.46

Superheater

0.456

0.469

0.520

0.00534

0.00536

0.00518

3.963

3.956

3.881

3.968

3.962

3.886

99.87

99.86

99.87

Condenser

39.110

24.910

35.070

0.32640

0.20960

0.25110

7.139

8.880

8.392

7.465

9.090

8.643

95.63

97.69

97.09

Total

110.609

102.463

103.382

1.313

1.273

0.988

86.950

90.530

100.20

88.260

91.810

101.20

98.45

98.61

99.03