Air at a mass flow rate of 50 kg/s at Mach 0.3 and Tstagnation of 500K...
Air at a mass flow rate of 50 kg/s at Mach 0.3 and Tstagnation of 500K enters a frictionless constant area duct where heat is added (such as a turbine combustor). How much heat (in kW) can be added in this section assuming cp air=1.005 kJ/kg K without limiting the mass flow in this section
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Air at a mass flow rate of 50 kg/s at Mach 0.3 and Tstagnation
of 500K...
Flow enters the combustor of a jet engine at a Mach number of 0.5, a temperature...
Flow enters the combustor of a jet engine at a Mach number of 0.5, a temperature of 390K and a pressure of 200kPa. (a) Determine the maximum amount of heat that can be added to this flow, assuming that the combustion chamber has the form of a constant area duct, and the properties of the air/fuel mixture flowing through the combustor are the same as those of air. (b) The flow entering the combustor 1 has a fuel to air...
3. Air enters a constant area duct at a Mach number of 0.14, a pressure of 195 kPa, and a temperature of 25 °C. Heat is added to the air that flows through the duct at a rate of 65 kJ/kg of air. A...
3. Air enters a constant area duct at a Mach number of 0.14, a pressure of 195 kPa, and a temperature of 25 °C. Heat is added to the air that flows through the duct at a rate of 65 kJ/kg of air. Assuming that the flow is steady and that the effects of wall friction can be ignored, find the temperature, pressure, and Mach number at which the air leaves the duct. Assume that the air behaves as a...
Q. 3 (35 pt.) Air at 500K in a tank flows through a converging and diverging...
Q. 3 (35 pt.) Air at 500K in a tank flows through a converging and diverging nozzle with throat area of 1 em and exit area of 2.7 cm2 When the mass flow is 0.05 kg/s, pitot tube reads py 250.6 kPa and 240 kPa at the exit plane. (a) (15 pt.) Is there a normal shock wave in the duct? Justify your answer. If so, compute the Mach number just downstream of the shock (b) (10 pt.) Compute the...
2. (20%) Air at the 25 °C with a mass flow rate of m- 0.01 kg/sec...
2. (20%) Air at the 25 °C with a mass flow rate of m- 0.01 kg/sec enters a rectangular duct 0 6 em cross section and 2 m long. The duct wall is subjected to a uniform heat flux of qKw temperature of the air and the duct surface temperature at the duct outlet (A hydrod1.568 x 103 mls,Pr developed flow). Air properties to be used are:ρ-1.1774 kgm, C,-1.0057 0.708, k -0.02624 w/m-oC. 5 kw/m2. Determine the oulet ically and...
Air enters a diffuser at a constant 109 Kpa , 60 celcius and 292 meters per...
Air enters a diffuser at a constant 109 Kpa , 60 celcius and 292 meters per second. The air exits at 305 Kpa , 10 Celcius and 10 meters per second. The area of the inlet is 104 cm^2. You can assume the air is an ideal gas. CP and CV values are assumed constant. Steady flow. There is no change in Potential Energy. Ru=8.314 kj/kmol*k Mair = 28.97 kg/kmol cp=1.005 kj/kg*k cv=0.718 kj/kg*k Determine the average heat transfer time...
WGTC η.cn = 95% Gas turbine cycle (GTc) e,I = 100 kW Compressor Turbine Generator 께,- Combustor ...
wGTC η.cn = 95% Gas turbine cycle (GTc) e,I = 100 kW Compressor Turbine Generator 께,- Combustor Pi 100 kPa Regenerator Evaporator Turbine Generator Vapor turbine cycde (VTC) T, = T, + 20 K Condenser 10 Pump Saturated liquid A combined cycle plant operates with a topping gas turbine and a bottoming vapor turbine cycle. The working fluid in the vapor turbine cycle is water. The gas turbine cycle (GTC) electric generator produces 100kW of electric power For air use...
2. Methane at 27°C, 10 MPa and mass flow rate of 10 kg/s enters a turbine...
2. Methane at 27°C, 10 MPa and mass flow rate of 10 kg/s enters a turbine operating at a steady flow process and expands adiabatically through a 5:1 pressure ratio, and exits at -48°C Methane data: R 0.8153 kJ/kg.K Tcr 191.1 K Pcr4.64 MPa Cp 18.89 0.055 T (Cp in kJ/kMol, T in K) (a) The power developed by turbine, in KW (b) Compare your result in part (a) with the value obtained using the ideal gas model
An air-standard Brayton cycle includes a regenerator which is shown in the below figure. The air...
An air-standard Brayton cycle includes a regenerator which is shown in the below figure. The air enters the compressor at 100 kPa, 20℃. The pressure ratio across the compressor is 9:1. The highest temperature in the cycle is 1100℃, and the flow rate of the air is 10 kg/s. The regenerator operates at effectiveness 80 percent. Both the efficiencies of the turbine and the compressor are 85%. Do not use Table A-22. Assuming constant specific heat ( cp = 1.004...
Air enters a combustion chamber at a mach number of 3.5 with a pressure and temperature...
Air enters a combustion chamber at a mach number of 3.5 with a pressure and temperature of 120 kpa and 400 C. the mach number at the exit is 1.2. find the amount of heat per unit mass added to the flow. What are the pressure and temperature at the exit of the combustor?
a subsonic flow enters a 1-D duct that is frictionless. the inlet stagnation temperature is 250K....
a subsonic flow enters a 1-D duct that is frictionless. the inlet stagnation temperature is 250K. Heat is added at 350 kJ/kg. what is the maximum possible Mach No. at the inket of the duct?
3. Air enters a constant area duct at a Mach number of 0.14, a pressure of 195 kPa, and a temperature of 25 °C. Heat is added to the air that flows through the duct at a rate of 65 kJ/kg of air. Assuming that the flow is steady and that the effects of wall friction can be ignored, find the temperature, pressure, and Mach number at which the air leaves the duct. Assume that the air behaves as a...
Q. 3 (35 pt.) Air at 500K in a tank flows through a converging and diverging nozzle with throat area of 1 em and exit area of 2.7 cm2 When the mass flow is 0.05 kg/s, pitot tube reads py 250.6 kPa and 240 kPa at the exit plane. (a) (15 pt.) Is there a normal shock wave in the duct? Justify your answer. If so, compute the Mach number just downstream of the shock (b) (10 pt.) Compute the...
2. (20%) Air at the 25 °C with a mass flow rate of m- 0.01 kg/sec enters a rectangular duct 0 6 em cross section and 2 m long. The duct wall is subjected to a uniform heat flux of qKw temperature of the air and the duct surface temperature at the duct outlet (A hydrod1.568 x 103 mls,Pr developed flow). Air properties to be used are:ρ-1.1774 kgm, C,-1.0057 0.708, k -0.02624 w/m-oC. 5 kw/m2. Determine the oulet ically and...
wGTC η.cn = 95% Gas turbine cycle (GTc) e,I = 100 kW Compressor Turbine Generator 께,- Combustor Pi 100 kPa Regenerator Evaporator Turbine Generator Vapor turbine cycde (VTC) T, = T, + 20 K Condenser 10 Pump Saturated liquid A combined cycle plant operates with a topping gas turbine and a bottoming vapor turbine cycle. The working fluid in the vapor turbine cycle is water. The gas turbine cycle (GTC) electric generator produces 100kW of electric power For air use...
2. Methane at 27°C, 10 MPa and mass flow rate of 10 kg/s enters a turbine operating at a steady flow process and expands adiabatically through a 5:1 pressure ratio, and exits at -48°C Methane data: R 0.8153 kJ/kg.K Tcr 191.1 K Pcr4.64 MPa Cp 18.89 0.055 T (Cp in kJ/kMol, T in K) (a) The power developed by turbine, in KW (b) Compare your result in part (a) with the value obtained using the ideal gas model
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