Table 5 Thermodynamic properties for recuperator cycle with ORC (R-123).

From: 3E analysis of sCO2 recuperator cycle with multi effect desalination and organic Rankine cycle to enhance environmental sustainability

Node

Temperature

Pressure

Fluid

Mass Flow

Enthalpy

Entropy

Cycle

Efficiency

(°C)

(bar)

(kg/Sec)

(kJ/kg)

(kJ/kg k)

1

459

230

CO2

85.36

413.1

-0.1735

CO2 CYCLE: 35.21%

ORC CYCLE: 11.34%

TOTAL CYCLE: 25.51%

2

326.8

68.92

CO2

85.36

278.7

-0.1483

3

100.4

68.92

CO2

85.36

21.89

-0.6872

4

28

68.92

CO2

85.36

-217.2

-1.443

5

59.61

230

CO2

85.36

-189.5

-1.427

8

190

230

CO2

85.36

67.23

-0.7658

11

23

atm.

Air

1014

296.4

6.856

12

43

atm.

Air

1014

316.5

6.921

13

489

atm.

Smoke

89

780.9

7.832

14

200

atm.

Smoke

89

475.7

7.330

15

90

atm.

Smoke

89

363.9

7.061

16

170

5

ORC

40.28

508.6

1.877

17

128.1

1.02

ORC

40.28

476.6

1.886

18

28

1.02

ORC

40.28

229.3

1.102

19

80

5

ORC

40.28

229.6

1.102

20

23

atm.

Air

494.9

296.4

6.856