ES 202 Fluid and Thermal Systems Examples for Lecture 23 2 4 03 Page 1 1 Rankine Cycle Analysis Steam is the working fluid in an ideal Rankine cycle Saturated vapor enters the turbine at 8 0 MPa and saturated liquid exits the condenser at a pressure of 0 008 MPa The net power output of the cycle is 100 MW Determine for the cycle heat exchanger boiler pump compressor turbine heat exchanger condenser Schematic of a typical Rankine cycle a the process path on a T s diagram b analysis of individual components c the thermal efficiency 37 1 ES 202 Fluid and Thermal Systems Examples for Lecture 23 2 4 03 Page 2 d the back work ratio 0 84 e the mass flow rate of the steam 105 kg sec f the rate of heat transfer into the working fluid as it passes through the boiler 270 MW g the rate of heat transfer from the condensing stream as it passes through the condenser 170 MW h the mass flow rate of the condenser cooling water if cooling water enters the condenser at 15 deg C and exits at 35 deg C 2028 kg sec
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