Table 1 Thermodynamic properties for sCO2 simple cycle.

From: 4E analysis of supercritical carbon dioxide (sCO2) cycles: evaluating energy, exergy, environmental sustainability, and economic impacts in combined systems

Node

Temperature

(°C)

Pressure (bar)

Fluid

Mass flow (kg/Sec)

Enthal py (kJ/kg)

Entropy (kJ/kg k)

Cycle Efficiency

1

459

230

Co2

67.44

413.1

− 0.1735

17.73%

2

326.8

68.92

Co2

67.44

278.7

− 0.1483

3

326.8

68.92

Co2

67.44

278.7

− 0.1483

4

28

68.92

Co2

67.44

− 217.2

− 1.443

5

59.61

230

Co2

67.44

− 189.5

− 1.427

8

59.61

230

Co2

67.44

− 189.5

− 1.427

11

23

atm.

Air

1666

296.4

6.856

12

43

atm.

Air

1666

316.5

6.921

13

489

atm.

Smoke

89

780.9

7.832

15

90

atm.

Smoke

89

363.9

7.061

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