The net work output and the thermal efficiency for the carnot and the simple ideal rankine cycles with steam as the working fluid are to be calculated and compared. steam enters the turbine in both cases at 5 mpa as a saturated vapor and the condenser pressure is 50 kpa. in the rankine cycle, the condenser exit state is saturated liquid and in the carnot cycle, the boiler inlet state is saturated liquid. draw the t-s diagrams for both cycles.

a) Rankine

Net work output = 719.1 KJ/kg

Thermal Eff = 0.294

a) Carnot

Net work output = 563.2 KJ/kg

Thermal Eff = 0.294

For T-s diagrams see attachments

Explanation:

Part a    Rankine Cycle

The obtained data from water property tables:

Heat transferred from boiler

Heat transferred from condenser

Thermal Efficiency

Net work output

Part b    Carnot Cycle

The obtained data from water property tables:

Heat transferred from boiler

Heat transferred from condenser

Thermal Efficiency

Net work output

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