Table 7.

Thermodynamic properties and the mass flow rates of the proposed system.

State	Working Fluid	$\dot{m}$ [kg s−1]	P [kPa]	T [°C]	h [kJ kg−1 K]	s [kJ kg−1 K]	$\dot{EX}$ [kW]
1	Helium	19.58	5659	800	4040	−1.703	89 040
2	Helium	19.58	2577	530.70	2634	−1.569	60 727
3	Helium	19.58	2551	203.70	936.10	−4.259	43 190
4	Helium	19.58	2525	73.28	258.80	−5.898	39 492
5	Helium	19.58	2434	70.98	345.89	−7.897	51 344
6	Helium	19.58	2500	30	34.04	−6.569	39 014
7	Helium	19.58	5833	167.40	757.70	−6.386	52 110
8	Helium	19.58	5788	180.30	678.90	−6.879	15 452
9	Helium	19.58	5774	494.60	2455	−3.483	68 404
10	CO2	56.47	21 879	180	56.01	−0.782	16 353
11	CO2	56.47	7214	87.83	3.13	−0.745	12 743
12	CO2	56.47	7214	30	‐204	−1.401	12 092
13	CO2	56.47	21 879	63.28	‐178.80	−1.390	13 323
14	Water	279.60	101.3	25	104.80	0.366	0
15	Water	279.60	101.3	35	146.70	0.504	191.9
16	Air	46.20	101.3	1125	1513	7.359	33 205
17	Air	46.20	101.3	544.60	841.80	6.741	10 690
18	Air	46.20	101.3	544.62	841.81	6.742	10 690