Table 3 Thermodynamic properties for sCO₂ split cycle.

Node	Temperature (°C)	Pressure (bar)	Fluid	Mass flow (kg/Sec)	Enthal py (kJ/kg)	Entropy (kJ/kg k)	Cycle efficiency
1	459	230	Co₂	89.86	413.1	− 0.1735	23.56 %
2	326.8	68.92	Co₂	89.86	278.7	− 0.1483
3	193.5	68.92	Co₂	89.86	129.6	- 0.4292
4	28	68.92	Co₂	89.86	− 217.2	− 1.443
5	59.61	230	Co₂	89.86	− 189.5	− 1.427
6	59.61	230	Co₂	31.45	− 189.5	− 1.427
7	316.8	230	Co₂	31.45	236.3	- 0.4422
8	284.5	230	Co₂	86	195.3	- 0.51361
9	59.61	230	Co₂	58.41	-189.5	- 1.427
10	267.4	230	Co₂	58.41	173.2	– 0.5538
11	23	atm.	Air	1548	296.4	6.856
12	43	atm.	Air	1548	316.5	6.921
13	489	atm.	Smoke	89	780.9	7.832
14	297.4	atm.	Smoke	89	576.5	7.524
15	90	atm.	Smoke	89	363.9	7.061

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