Table 1.

Operation conditions of the ORS.

Unit Value
Turbomachinery speed relative %
to the cycle design point 20
Compressor inlet p MPa 12.2
Compressor outlet p MPa 12.5
Compressor inlet T °C 55
CHX inlet T (CO2) °C 56
CHX outlet T (CO2) °C 150
CHX inlet T (H2O) °C 282
CHX outlet T (H2O) °C 56
CHX thermal power relative %
to cycle design point (10 MW) 11.3
Mass flow rate (CO2) kg/s 5.6
Mass flow rate (H2O) kg/s 0.45
Compressor efficiency % 69.0
Turbine efficiency % 71.4
Compressor power kW 4.8
Turbine power kW 6.2
Fan power (Tair = 45°C) kW 0.4
Total power kW 1.0

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