Rankine cycle
E862337
The Rankine cycle is a thermodynamic power cycle that converts heat into mechanical work using phase changes of a working fluid, forming the basis of most steam power plants.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
power cycle
ⓘ
thermodynamic cycle ⓘ |
| analyzedOn |
pressure-enthalpy diagram
ⓘ
temperature-entropy diagram ⓘ |
| appliesTo | steam power plants ⓘ |
| comparedTo | Carnot cycle NERFINISHED ⓘ |
| formsBasisOf | most steam power plants ⓘ |
| governedBy |
first law of thermodynamics
ⓘ
second law of thermodynamics ⓘ |
| hasComponent |
boiler
ⓘ
condenser ⓘ feedwater pump ⓘ steam turbine ⓘ |
| hasEfficiencyMetric | thermal efficiency ⓘ |
| hasEnergyConsumption | pump work ⓘ |
| hasEnergyInput | heat added in boiler ⓘ |
| hasEnergyOutput | turbine work ⓘ |
| hasHeatRejection | heat rejected in condenser ⓘ |
| hasIdealAssumption |
negligible pressure drops in boiler and condenser
ⓘ
reversible adiabatic compression in pump ⓘ reversible adiabatic expansion in turbine ⓘ |
| hasLimitation | lower efficiency than corresponding Carnot cycle ⓘ |
| hasProcess |
isentropic compression
ⓘ
isentropic expansion ⓘ isobaric heat addition ⓘ isobaric heat rejection ⓘ |
| hasState1 | high-pressure liquid water at pump outlet ⓘ |
| hasState2 | high-pressure saturated or superheated steam at boiler outlet ⓘ |
| hasState3 | low-pressure wet or superheated steam at turbine outlet ⓘ |
| hasState4 | saturated liquid water at condenser outlet ⓘ |
| hasVariant |
organic Rankine cycle
NERFINISHED
ⓘ
regenerative Rankine cycle ⓘ reheat Rankine cycle ⓘ supercritical Rankine cycle ⓘ |
| hasWorkingFluid |
steam
ⓘ
water ⓘ |
| improvedBy |
increasing boiler pressure
ⓘ
regeneration ⓘ reheat ⓘ superheating steam ⓘ |
| namedAfter | William John Macquorn Rankine NERFINISHED ⓘ |
| operatesWith |
liquid-vapor phase transition
ⓘ
phase change of working fluid ⓘ |
| usedFor |
conversion of heat into mechanical work
ⓘ
electric power generation ⓘ |
| usedIn |
fossil-fuel power plants
ⓘ
geothermal power plants ⓘ nuclear power plants ⓘ solar thermal power plants ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.