Design Problem 3 Chapter 9 1 As The Specialist Engineer For Acwa Power Company You Have Been Tasked With Designing A 1 (47.23 KiB) Viewed 45 times
Design Problem 3 Chapter 9 1 As The Specialist Engineer For Acwa Power Company You Have Been Tasked With Designing A 2 (23.96 KiB) Viewed 45 times
Design Problem 3 (Chapter 9) 1. As the Specialist Engineer for ACWA Power Company, you have been tasked with designing an upcoming combined cycle power plant in Jazan economic city. The combined eyele power plant can be modeled as consisting of a simple gas turbine cycle acting as the topping cycle for a simple vapor power cycle (see Fig. 9.23). Air enters the compressor of the gas turbine at 25°C, 100 kPa with a volume flow rate of 30 m/s. The compressor pressure ratio is 12 and the turbine inlet temperature is 1700 K. The compressor and turbine each have isentropic efficiencies of 88% The air leaves the interconnecting heat exchanger at 500 K, 100 kPa. Steam enters the turbine of the vapor cycle at 7 MPa, 480°C, and expands to the condenser pressure of 7 kPa. Water enters the pump as saturated liquid at 7 kPa. The turbine and pump efficiencies are 90 and 70%, respectively. Provide a table listing the properties (p and h) at all states for the two working fluids Determine: (a) the mass flow rates of the air and steam each in kg/s. (b) the net power developed by the gas turbine cycle and the vapor cycle, respectively, each in kW (C) the thermal efficiency of the combined cycle. (d) the number of such combined cycle power plants need to reach an overall power output of 3800 MW
in Combustor Gas turbine Compressor Turbine Air inlet Exhaust ហហហហហហ៍ ហហហហហប, Heat-recovery steam generator Turbine Vapor cycle Pump Condenser Steam Condensate Fig. 9.23 Combined-cycle district heating plant.
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