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2. Show that the thermal efficiency for the gas power plant shown below can be expressed as follo...
2. For the gas turbine cycle with one reheat, prove that the thermal efficiency can be expressed ...
2. For the gas turbine cycle with one reheat, prove that the thermal efficiency can be expressed as follows when the power output is maximum T. 2 4 max k-1 k-1 min k-1 T. 2 max -r min k-1 where Tmax and Tmin are the maximum and minimum temperatures of the cycle, respectively; rp is the pressure ratio of the compressor and k is the ratio of specific heats. Assume specific heat capacity and ratio of heat capacities to be...
(c) A cruise ship is propelled by a gas turbine power plant that operates on Brayton's...
(c) A cruise ship is propelled by a gas turbine power plant that operates on Brayton's cycle, with extreme temperatures of 1000K and 288K. The compression ratio of the propulsion plant is 6, with isentropic efficiencies of the turbine nt = 0.9 and that of the compressor nc = 0.85. For y = 2 = 1.4, determine the, (i) Maximum efficiency of the plant (ii) Performance parameters (13 Marks)
Problem 1 0/5 points (0%) Consider a combined gas-steam power plant that has a net power...
Problem 1 0/5 points (0%) Consider a combined gas-steam power plant that has a net power output of 500 MW. The pressure ratio of the gas-turbine cycle is 12. Air enters the compressor at 308 K and the turbine at 1300 K. The combustion gases leaving the gas turbine are used to heat the steam at 9 MPa to 360°C in a heat exchanger. The combustion gases leave the heat exchanger at 460 K. An open feedwater heater incorporated with...
A combined gas turbine-vapor power plant has a net power output of 100 MW. Air enters...
A combined gas turbine-vapor power plant has a net power output of 100 MW. Air enters the compressor of the gas turbine at 100kPa, 300K, and is compressed to 1200kPa. The isentropic efficiency of the compressor is 84%. The conditions at the inlet to the turbine are 1200kPa and 1400 K. Air expands through the turbine, which has an isentropic efficiency of 88%, to a pressure of 100kPa. The air then passes through the interconnecting heat exchanger, and is finally...
pls do all parts a to d...if u cud show detailed working out would be very...
pls do all parts a to d...if u cud show detailed
working out would be very helpful as I would be able to understand
it easier..it's urgent so pls do it asap..thanks
QC9 The compressor and Turbine of a simple gas turbine each have isentropic efficiencies of 90%、The compressor pressure ratio is 14, The minimum and maximum temperatures are 300 K and 1500 K, respectively. On the basis of an air- standard analysis and using the air property tables provided,...
1. (10 points) A combined gas turbine-vapor power plant has a net power output of 45...
1. (10 points) A combined gas turbine-vapor power plant has a net power output of 45 MW. Air enters the compressor of the gas turbine at 100 kPa, 300 K, and is compressed to 1200 kPa. The isentropic efficiency of the compressor is 84%. The condition at the inlet to the turbine is 1200 kPa, 1400 K. Air expands through the turbine, which has an isentropic efficiency of 88%, to a pressure of 100 kPa. The air then passes through...
Problem 1 (15 pts) A gas turbine cycle operates with a compressor pressure ratio of 12...
Problem 1 (15 pts) A gas turbine cycle operates with a compressor pressure ratio of 12 and a mass flow rate of 5.0 kg/s. Air enters the compressor at 1 bar, 290 K. The maximum cycle temperature is 1600 K. For the compressor, the isentropic efficiency is 85%, and for the turbine the isentropic efficiency is 90%. Using an air-standard analysis with air as ideal gas with constant specific heats, calculate: a) the volumetric flow rate of air entering the...
Consider the combined gas-steam power cycle,The topping cycle is a gas-turbine cycle that has a pressure ratio of 8.Air enters the compressor at 300K and the turbine at 1300K.The isentropic efficiency...
Consider the combined gas-steam power cycle,The topping cycle is a gas-turbine cycle that has a pressure ratio of 8.Air enters the compressor at 300K and the turbine at 1300K.The isentropic efficiency of the compressor is 80 percent, and that of the gas is 85 percent.The bottoming cycle is a simple ideal Rankine cycle operating between the pressures limits of 7 MPa and 5 KPa.Steam is heated in a heat exchanger by the exahust gases to a temperature of 5000C.The exhaust...
Problem 1 (Marks 3) Smithfield power station in NSW, Australia operates on 4 gas turbines. Each of the gas turbine unit...
Problem 1 (Marks 3) Smithfield power station in NSW, Australia operates on 4 gas turbines. Each of the gas turbine unit operates on the regenerative Brayton Cycle between the pressure limits of 100 kPa and 700 kPa. Air enters the compressor at 30°C at a rate of 12.6 kg/s and leaves at 260°C. It is then heated in a regenerator to 400°C by hot combustion gases leaving the turbine. Diesel fuel with heating value of 42,000 kJ/kg is burned in...
24-1: The net power produced by an air-standard Brayton cycle is 1500 kW. The pressure ratio for ...
24-1: The net power produced by an air-standard Brayton cycle is 1500 kW. The pressure ratio for the cycle is 12 and the minimum and maximum temperatures are 20˚C and 1450˚C respectively. The isentropic efficiencies of the compressor and turbine are 0.75 and 0.80 respectively. Assume an ambient pressure of 100 kPa. Determine: a. The thermal efficiency of the cycle b. The mass flow rate of the air, in kg/s. c. The heat added during the combustion process, in kW....
2. For the gas turbine cycle with one reheat, prove that the thermal efficiency can be expressed as follows when the power output is maximum T. 2 4 max k-1 k-1 min k-1 T. 2 max -r min k-1 where Tmax and Tmin are the maximum and minimum temperatures of the cycle, respectively; rp is the pressure ratio of the compressor and k is the ratio of specific heats. Assume specific heat capacity and ratio of heat capacities to be...
(c) A cruise ship is propelled by a gas turbine power plant that operates on Brayton's cycle, with extreme temperatures of 1000K and 288K. The compression ratio of the propulsion plant is 6, with isentropic efficiencies of the turbine nt = 0.9 and that of the compressor nc = 0.85. For y = 2 = 1.4, determine the, (i) Maximum efficiency of the plant (ii) Performance parameters (13 Marks)
Problem 1 0/5 points (0%) Consider a combined gas-steam power plant that has a net power output of 500 MW. The pressure ratio of the gas-turbine cycle is 12. Air enters the compressor at 308 K and the turbine at 1300 K. The combustion gases leaving the gas turbine are used to heat the steam at 9 MPa to 360°C in a heat exchanger. The combustion gases leave the heat exchanger at 460 K. An open feedwater heater incorporated with...
pls do all parts a to d...if u cud show detailed
working out would be very helpful as I would be able to understand
it easier..it's urgent so pls do it asap..thanks
QC9 The compressor and Turbine of a simple gas turbine each have isentropic efficiencies of 90%、The compressor pressure ratio is 14, The minimum and maximum temperatures are 300 K and 1500 K, respectively. On the basis of an air- standard analysis and using the air property tables provided,...
1. (10 points) A combined gas turbine-vapor power plant has a net power output of 45 MW. Air enters the compressor of the gas turbine at 100 kPa, 300 K, and is compressed to 1200 kPa. The isentropic efficiency of the compressor is 84%. The condition at the inlet to the turbine is 1200 kPa, 1400 K. Air expands through the turbine, which has an isentropic efficiency of 88%, to a pressure of 100 kPa. The air then passes through...
Problem 1 (15 pts) A gas turbine cycle operates with a compressor pressure ratio of 12 and a mass flow rate of 5.0 kg/s. Air enters the compressor at 1 bar, 290 K. The maximum cycle temperature is 1600 K. For the compressor, the isentropic efficiency is 85%, and for the turbine the isentropic efficiency is 90%. Using an air-standard analysis with air as ideal gas with constant specific heats, calculate: a) the volumetric flow rate of air entering the...
Problem 1 (Marks 3) Smithfield power station in NSW, Australia operates on 4 gas turbines. Each of the gas turbine unit operates on the regenerative Brayton Cycle between the pressure limits of 100 kPa and 700 kPa. Air enters the compressor at 30°C at a rate of 12.6 kg/s and leaves at 260°C. It is then heated in a regenerator to 400°C by hot combustion gases leaving the turbine. Diesel fuel with heating value of 42,000 kJ/kg is burned in...
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