Combined Cycle Simulator

Operating Parameters - Bottoming (Rankine)

Pressure [kPa]
HRSG:
Reheat 1:
Reheat 2:
OFWH:
CFWH:
Condenser:

Temperature [C]
Reheat 1:
Reheat 2:

Mass Flow Rate [kg/s]
SG Exit:

Percent Extraction [%]
OFWH:
CFWH:
Trap CFWH to:
Condenser
OFWH

Subcooling [C]
CFWH Exit:

Efficiency [%]
Turbine:
Pump:


Operating Parameters - Topping (Brayton)

Pressure [kPa]
Ambient:
Combustor:
Intercooler:
Reheater:
Temperature [K]
Compressor Inlet:
Turbine Inlet:
Intercooler ΔT:
Reheater ΔT:
Mass Flow Rate [kg/s]
Inlet:
Efficiency [%]
Compressor:
Turbine:
Effectiveness [%]
Regenerator:

Air Standard Analysis
Cold Air Standard Analysis

Cp: kJ/(kg K)

State Points - Bottoming (Rankine)

PThsx
[kPa][C][kJ/kg][kJ/(kg K)][-]

SCL = Subcooled liquid
SHV = Superheated vapour

State Points - Topping (Brayton)

PThs
[kPa][C][kJ/kg][kJ/(kg K)]

Operating Conditions - Bottoming (Rankine)

Work Transfer
Stage one pump work
Stage two pump work
Total pump work
Pump work
Stage one turbine work
Stage two turbine work
Stage three turbine work
Stage four turbine work
Stage five turbine work
Total turbine work
Turbine work
Net work

Heat Transfer
HRSG heat added
Reheater 1 heat added
Reheater 2 heat added
Total heat added
Condenser heat rejected
Net heat transfer

Performance Parameters
CFWH effectiveness %
Back Work Ratio %
Thermal efficiency %
Carnot efficiency %

Operating Conditions - Topping (Brayton)

Work Transfer
Stage one compressor work
Stage two compressor work
Total compressor work
Compressor work
Turbine work
Stage one turbine work
Stage two turbine work
Total turbine work
Net work

Heat Transfer
Heat transfer in intercooler
Heat transfer in combustor
Heat transfer in reheater
Total heat added

Performance Parameters
Back-work ratio %
Thermal efficiency %
Carnot efficiency %

Combined Cycle

Input Parameters
HRSG Effectiveness:

Performance Parameters
Heat added
Net work
Thermal efficiency %

Heat Recovery Steam Generator Q-T Diagram

T-s Diagram - Bottoming (Rankine)


Liquid Temperature Plotting Bump:
Show ideal turbine and pump processes

T-s Diagram - Topping (Brayton)



Show ideal turbine and pump processes

Schematic