|
|
heat transfer rate, kW |
|
|
power, kW |
|
|
temperature, °C |
|
|
volume flow rate, m3/h |
|
|
mass flow rate, kg/s |
|
|
enthalpy, kJ/kg |
| Greek symbols |
|
|
isentropic efficiency of turbine |
|
|
gross generating efficiency of ORC system |
|
|
electromechanical efficiency of generator unit |
|
|
overall efficiency of integrated turbine and generator unit |
|
|
Carnot efficiency |
| Subscripts |
| 1–12 |
state points |
| hw |
hot water |
| wf |
working fluid |
| cw |
cooling water |
| preh |
preheater |
| evap |
evaporator |
| turb |
turbine |
| cond |
condenser |
| pump |
pump |