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y should sustainability be considered in energy systems? muis) Que.Ib With suitable diagrams, describe trigeneration. 6 marks) Que.1c An open cycle gas turbine produces 60MWe. Determine how much...
Q1 (a)Describe why the Carnot cycle not considered suitable for practical purposes. (3 marks) (b)An ideal...
Q1 (a)Describe why the Carnot cycle not considered suitable for practical purposes. (3 marks) (b)An ideal reheat-regenerative steam power plant with two open feedwater heater generates 150000 kW energy from the electric generator directly couple to steam turbine. The boiler pressure is 10 MPa and 600°C and leaves the low pressure turbine as saturated vopour at 7.5 kPa. Steam is extracted from the turbine at 1.8 MPa and 0.3 MPa, and reheated to 550°C at a pressure of 1 MPa....
Question A.1 A schematic of a gas turbine combined cycle generating plant is shown in Figure...
Question A.1 A schematic of a gas turbine combined cycle generating plant is shown in Figure A1.1 on the next page. Exhaust gas from the gas turbine generator pass througha heat recovery steam generator (HRSG) which generates steam to drive a steam turbine generator. The following data is provided for the plant: Gas turbine 18.9:1 Pressure ratio Compressor air inlet temperature Turbine inlet temperature 15°C t 273 288 1350°C +273- 1623 588 kg/s T, T3 Exhaust gas mass flow Isentropic...
Question B (15 marks) You are to analyze a combined cycle that consists of a gas (air) turbine cy...
Energy Convertion
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Question B (15 marks) You are to analyze a combined cycle that consists of a gas (air) turbine cycle (top) ttom). The gas cycle has the following operating conditions: inlet pressure to compressor one bar inlet temperature-300 K operating pressure ratio-12 Maxmum allowable temperature 1150 °C adiabatic efficiency for compressor 0.83 adiabatic efficiency for turbine-0.87 - - The exhaust leaves stack at 120 °C after vaporizing water in the...
power plant 3- A combined power plant consisting of a simple open cycle gas turbine unit,...
power plant
3- A combined power plant consisting of a simple open cycle gas turbine unit, using air as the working fluid (neglect fuel mass flow rate), and a steam turbine is to be designed such that the heat rejected at the gas turbine unit is to be utilized to produce steam at the generator for the steam turbine. The exhaust air leaving the generator is at (200 C°). Draw a simple sketch for the plant and the (T-s) diagram...
Que.2a With suitable diagrams, describe the geothermal resource types 6 marks) b Show that the efficiency of a heat pump is higher in the heating mode than in the cooling mode. (2 marks) Que.2c A...
Que.2a With suitable diagrams, describe the geothermal resource types 6 marks) b Show that the efficiency of a heat pump is higher in the heating mode than in the cooling mode. (2 marks) Que.2c A heat pump is used to heat a house in the winter and cool it in the summer. The loads are 5000W in the winter with a house temperature of 20° C and 4000W in the summer with a house temperature of 25° C. Determine the...
A combined cycle gas turbine/vapor power plant uses the turbine exhaust as the energy source for...
A combined cycle gas turbine/vapor power plant uses the turbine exhaust as the energy source for the boiler. Each power system uses a single turbine. The gas power system is modeled as an ideal air-standard Brayton cycle. The vapor power system is modeled as an ideal Rankine cycle. Given specific operating conditions determine the temperature and pressure at each state, the rate of heat transfer in the boiler, the power output of each turbine, and the overall efficiency. --Given Values--...
A combined cycle gas turbine / vapor power plant uses the turbine exhaust as the energy...
A combined cycle gas turbine / vapor power plant uses the turbine exhaust as the energy source for the boiler. Each power system uses a single turbine. The gas power system is modeled as an ideal air-standard Brayton cycle. The vapor power system is modeled as an ideal Rankine cycle. Given specific operating conditions determine the temperature and pressure at each state, the rate of heat transfer in the boiler, the power output of each turbine, and the overall efficiency....
Q.7 A combined cycle power plant as shown below that produces net gas turbine power of...
Q.7 A combined cycle power plant as shown below that produces net gas turbine power of (ie W -W. = 147 MW). Determine (a) the net power produced in MW and (b) the overall thermal efficiency. Assume Ps = 100 kPa, Ts = 300 K, Po= 13,600 kPa, T6 = 690 K, P, = 13,000 kPa, T, = 1,580 K, P = 100 kPa, Tg = 900 K, P, = 100 kPa, T, = 400 K;P; = 10 MPa, Tz...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...
Q1 (a)Describe why the Carnot cycle not considered suitable for practical purposes. (3 marks) (b)An ideal reheat-regenerative steam power plant with two open feedwater heater generates 150000 kW energy from the electric generator directly couple to steam turbine. The boiler pressure is 10 MPa and 600°C and leaves the low pressure turbine as saturated vopour at 7.5 kPa. Steam is extracted from the turbine at 1.8 MPa and 0.3 MPa, and reheated to 550°C at a pressure of 1 MPa....
Question A.1 A schematic of a gas turbine combined cycle generating plant is shown in Figure A1.1 on the next page. Exhaust gas from the gas turbine generator pass througha heat recovery steam generator (HRSG) which generates steam to drive a steam turbine generator. The following data is provided for the plant: Gas turbine 18.9:1 Pressure ratio Compressor air inlet temperature Turbine inlet temperature 15°C t 273 288 1350°C +273- 1623 588 kg/s T, T3 Exhaust gas mass flow Isentropic...
Energy Convertion
hello, please help me quickly please please
thank you
Question B (15 marks) You are to analyze a combined cycle that consists of a gas (air) turbine cycle (top) ttom). The gas cycle has the following operating conditions: inlet pressure to compressor one bar inlet temperature-300 K operating pressure ratio-12 Maxmum allowable temperature 1150 °C adiabatic efficiency for compressor 0.83 adiabatic efficiency for turbine-0.87 - - The exhaust leaves stack at 120 °C after vaporizing water in the...
power plant
3- A combined power plant consisting of a simple open cycle gas turbine unit, using air as the working fluid (neglect fuel mass flow rate), and a steam turbine is to be designed such that the heat rejected at the gas turbine unit is to be utilized to produce steam at the generator for the steam turbine. The exhaust air leaving the generator is at (200 C°). Draw a simple sketch for the plant and the (T-s) diagram...
Que.2a With suitable diagrams, describe the geothermal resource types 6 marks) b Show that the efficiency of a heat pump is higher in the heating mode than in the cooling mode. (2 marks) Que.2c A heat pump is used to heat a house in the winter and cool it in the summer. The loads are 5000W in the winter with a house temperature of 20° C and 4000W in the summer with a house temperature of 25° C. Determine the...
Q.7 A combined cycle power plant as shown below that produces net gas turbine power of (ie W -W. = 147 MW). Determine (a) the net power produced in MW and (b) the overall thermal efficiency. Assume Ps = 100 kPa, Ts = 300 K, Po= 13,600 kPa, T6 = 690 K, P, = 13,000 kPa, T, = 1,580 K, P = 100 kPa, Tg = 900 K, P, = 100 kPa, T, = 400 K;P; = 10 MPa, Tz...
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