An engineer has proposed that a simple ideal Rankine cycle that uses refrigerant-134a be used to produce work with heat from a low-temperature thermal energy reservoir. The boiler operates at 1.6 MPa, the condenser at 0.4 MPa, and the turbine inlet at 80°C. Determine the R-134a mass flow rate needed for this cycle to produce 750 kW of power and the thermal efficiency of the cycle.
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