Units

Pressure at A

40,00

bar

temperature at A

500,00

C

Pressure at B

10,00

bar

Pressure at C

1,00

bar

Pressure at D

0,035

bar

Pressure at G

40,00

bar

Mass flow through the system

10,00

kg/s

Turbine isentropic eff.

0,85

.

Pump isentropic eff.

0,90

.

Outputs

Spec. enthalpy at A

3444,99

kJ/kg

Spec. entropy at A

7,09

kJ/(kg.K)

Isentropic enthalpy at B

3032,71

kJ/kg

Spec. enthalpy at B

3094,55

kJ/kg

Power generated at stage 1, POW1

3504,33

kW

.

.

.

Spec. entropy at B

7,20

kJ/(kg.K)

Isentropic enthalpy at C

2615,07

kJ/kg

Spec. enthalpy at C

2686,99

kJ/kg

Power generated at stage 2, POW2

3472,49

kW

.

.

.

Spec. entropy at C

7,39

kJ/(kg.K)

Isentropic enthalpy at D

2210,69

kJ/kg

Spec. enthalpy at D

2282,14

kJ/kg

Power generated at stage 3, POW3

3003,49

kW

.

.

.

Spec. enthalpy at H

111,85

kJ/kg

Spec. entropy at H

0,39

kJ/(kg.K)

Isentropic enthalpy at G

116,00

kJ/kg

Spec. enthalpy at G

116,47

kJ/kg

Power req. for pump

46,21

kW

.

.

.

For the throttling process, I-J

.

.

hE = hI = hJ

762,61

kJ/kg

For the throttling process, K-L

.

.

hF = hK = hL

417,51

kJ/kg

Energy balance on FH1 gives, mB

1,48

kg/s

Energy balance on FH2 gives, mC

1,10

kg/s

Net power generated

9934,10

kW

Cycle efficiency

0,370

.