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23 Nov 2019
Water is the working fluid in an ideal Rankine cycle. Superheatedvapor enters the turbine at 8 MPa, 480 C. The condenser pressure is8 kPa. The net power output of the cycle is 100 MW. Determine forthe cycle:
(a) the rate of heat transfer to the working fluid passing throughthe steam generator, in kW.
(b) the thermal efficiency.
(c) the mass flow rate of condenser cooling water, in kg/h, if thecooling water enters the condenser at 15 C and exits at 35 C withnegligible pressure change.
Water is the working fluid in an ideal Rankine cycle. Superheatedvapor enters the turbine at 8 MPa, 480 C. The condenser pressure is8 kPa. The net power output of the cycle is 100 MW. Determine forthe cycle:
(a) the rate of heat transfer to the working fluid passing throughthe steam generator, in kW.
(b) the thermal efficiency.
(c) the mass flow rate of condenser cooling water, in kg/h, if thecooling water enters the condenser at 15 C and exits at 35 C withnegligible pressure change.
Casey DurganLv2
21 Apr 2020
