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A steam power plant operating on a non-ideal Rankine cycle is shown in the diagram below. Heat is supplied to the boiler by a hot oil stream at 450°C. The oil has a constant specific heat of 2.7 kJ/kg.k. The mass flow rate of steam is 5 kg/s. This cycle reject heat to the ambient surroundings at 25°C. All other necessary conditions and isentropic efficiencies are given in the diagram below. Determine: (a) the power input to the pump (Wpump) (b) the power output by the turbine (VWurbine). (c) The net power output from the cycle (Wnet) (d) the heat input to the boiler (QH). (e) the heat output from the condenser (Qt). (f) the thermal efficiency of the cycle. (g) the mass flow rate of oil (ṁ oil). (h) The entropy generation rate in kW/K. moil = ? Toil,in= 450°C %D = 5 kg/s P, = 20 bar P; = 20 bar T; = 400°C %3D M:team Boiler Teil,out = 410°C %3D W IW. pump Turbine Pump Nisentropic' = 0.6 Nisentropic = 0.7 Condenser P, = 8 kPa P3 =8 kPa Ambient Environment, T = 25°C %3D

A steam power plant operating on a non-ideal Rankine cycle is shown in the diagram below. Heat is supplied to the boiler by a hot oil stream at 450°C. The oil has a constant specific heat of 2.7 kJ/kg.k. The mass flow rate of steam is 5 kg/s. This cycle reject heat to the ambient surroundings at 25°C. All other necessary conditions and isentropic efficiencies are given in the diagram below. Determine: (a) the power input to the pump (Wpump) (b) the power output by the turbine (VWurbine). (c) The net power output from the cycle (Wnet) (d) the heat input to the boiler (QH). (e) the heat output from the condenser (Qt). (f) the thermal efficiency of the cycle. (g) the mass flow rate of oil (ṁ oil). (h) The entropy generation rate in kW/K. moil = ? Toil,in= 450°C %D = 5 kg/s P, = 20 bar P; = 20 bar T; = 400°C %3D M:team Boiler Teil,out = 410°C %3D W IW. pump Turbine Pump Nisentropic' = 0.6 Nisentropic = 0.7 Condenser P, = 8 kPa P3 =8 kPa Ambient Environment, T = 25°C %3D

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A steam power plant operating on a non-ideal Rankine cycle is shown in the diagram below. Heat is supplied to the boiler by a hot oil stream at 450°C. The oil has a constant specific heat of 2.7 kJ/kg.k. The mass flow rate of steam is 5 kg/s. This cycle reject heat to the ambient surroundings at 25°C. All other necessary conditions and isentropic efficiencies are given in the diagram below. Determine: (a) the power input to the pump (W pump) (b) the power output by the turbine (Wurbine). (c) The net power output from the cycle (Wnet) (d) the heat input to the boiler (QH). (e) the heat output from the condenser (QL). (f) the thermal efficiency of the cycle. (g) the mass flow rate of oil (ṁ oil). (h) The entropy generation rate in kW/K. mol = ? Toil, in= 450°C m:team = 5 kg/s P; = 20 bar P; = 20 bar T; = 400°C Boiler Teil,out = 410°C W pump W Turbine Pump -> Nisentropic = 0.7 Nisentropic = 0.6 Condenser P, =8 kPa P3 =8 kPa Ambient Environment, T= 25°C %3D
Transcribed Image Text:A steam power plant operating on a non-ideal Rankine cycle is shown in the diagram below. Heat is supplied to the boiler by a hot oil stream at 450°C. The oil has a constant specific heat of 2.7 kJ/kg.k. The mass flow rate of steam is 5 kg/s. This cycle reject heat to the ambient surroundings at 25°C. All other necessary conditions and isentropic efficiencies are given in the diagram below. Determine: (a) the power input to the pump (W pump) (b) the power output by the turbine (Wurbine). (c) The net power output from the cycle (Wnet) (d) the heat input to the boiler (QH). (e) the heat output from the condenser (QL). (f) the thermal efficiency of the cycle. (g) the mass flow rate of oil (ṁ oil). (h) The entropy generation rate in kW/K. mol = ? Toil, in= 450°C m:team = 5 kg/s P; = 20 bar P; = 20 bar T; = 400°C Boiler Teil,out = 410°C W pump W Turbine Pump -> Nisentropic = 0.7 Nisentropic = 0.6 Condenser P, =8 kPa P3 =8 kPa Ambient Environment, T= 25°C %3D
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