An ideal Brayton cycle with regeneration is shown below. Note that from 1 to 6, there is a heat rejection process. The pressure ratio is 10 and the inlet to the compressor is at 300 K and 100 kPa. The maximum temperature is 1100 K. Use air as the working fluid, and assume constant properties evaluated at 300 K.
(a) Find the net work output and the cycle efficiency assuming the effectiveness of the regenerator is 100%
(b) Plot the net work output
and cycle efficiency for a range of effectiveness (80?100%)
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An ideal Brayton cycle with regeneration is shown below. Note
that from 1 to 6, there...
Air enters the compressor of a cold air-standard Brayton cycle with regeneration at 100 kPa, 300...
Air enters the compressor of a cold air-standard Brayton cycle with regeneration at 100 kPa, 300 K, with a volume flow rate of 5 m3/s. The compressor pressure ratio is 8, and the turbine inlet temperature is 1400 K. The turbine and compressor each have isentropic efficiencies of 80% and the regenerator effectiveness is 80%. For the air, k = 1.4 and the ambient temperature is T0 = 300 K. -Determine the thermal efficiency of the cycle. -determine the back...
A brayton cycle with regeneration and intercooling has a pressure ratio of 4 across each compressor...
A brayton cycle with regeneration and intercooling has a
pressure ratio of 4 across each compressor while the total pressure
ratio across the turbine is 16. Air enters each compressor at 298K
while the inlet gas temperature to the turbine is 1200K. If the
regenerator effectiveness is 100%, calculate the cycle thermal
efficiency from the heat addition and rejection.
3. A Brayton cycle with regeneration and intercolinig aeross the turbine is across each compressor while the total pressure ratio across...
Ideal Brayton cycle with heat regeneration has a pressure ration rp-10.4, T1-300K. The effectiveness of the...
Ideal Brayton cycle with heat regeneration has a pressure ration rp-10.4, T1-300K. The effectiveness of the regenerator is 80%. The network output WmF350 kJ/kg and the thermal efficiency of the cycle is nth 54%. Assume that the air is an ideal gas with variable specific heats. al Draw The thermodynamic cycle Ts and Pv Calculate: b/ Turbine work (WT.out) c/ qin, apply the first law of thermodynamic to the system to calculate gout d/ qregen Heat Combustion chambet Turbine Compressor
Air enters the compressor of a cold air-standard Brayton cycle at 100 kpa, 300 k, with...
Air enters the compressor of a cold air-standard Brayton cycle at 100 kpa, 300 k, with a mass flow rate of 6 kg/s. the compressor pressure ratio is 10, and the turbine inlet temperature is 1400 K. For k = 1.4, calculate a. The thermal efficiency of the cycle b. The back work ratio c. The net power developed, in kW d. Reconsider the above with an ideal regenerator.
A simple ideal Brayton cycle has a pressure ratio of 6. The working fluid enters the...
A simple ideal Brayton cycle has a pressure ratio of 6. The working fluid enters the compressor at a pressure of 100 kPa and a temperature of 300 K. The temperature at the end of the combustion process is 1273 K. Applying the cold air-standard assumption: a) Draw the P-v and T-s process diagrams for the cycle. b) Calculate the specific compressor and turbine work. c) Determine the thermal efficiency of the cycle.
2. Air enters the compressor of an ideal air-standard Brayton cycle at 100 kPa, 300 K,...
2. Air enters the compressor of an ideal air-standard Brayton cycle at 100 kPa, 300 K, with a volumetnc flow rate of 20 m'/s. The turbine inlet temperature is 1500 K. For compressor pressure ratios of 20 find a) the heat addition and rejection in kW b) the net power developed, in kW c) the thermal efficiency of the cycle d) the back work ratio.
A Brayton cycle operates with regencration with air as the working fluid.
A Brayton cycle operates with regencration with air as the working fluid. Air enters the compressor at \(95 \mathrm{kPa}\) and \(290 \mathrm{~K}\) and the turbine at \(760 \mathrm{kPa}\) and \(1100 \mathrm{~K}\). Heat is transferred in the combustion region at a rate of \(75,000 \mathrm{~kJ} / \mathrm{s}\). The compressor Operates isentropically. The effectiveness of regenerator is \(80 \%\). The compressor and turbine operate is entropically. There are no pressure changes in the regenerator or combustion region. \(\mathrm{h}_{1}=290.16 \mathrm{~kJ} / \mathrm{kg}:\)\(\mathrm{h}_{2}=526.12 \mathrm{~kJ}...
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...
Brayton Cycle
Air enters the compressor of an ideal air standard Brayton cycle at 100 kPa, 300 K, with a volumetric flow rate of 5 m3/s. The compressor pressure ratio is 10. The turbine inlet temperature is 1400 K. Which of the following is the back work ratio if the efficiency of the turbine and compressor is 80%?
Air enters the compressor of an ideal air-standard Brayton cycle at 100 kPa, 300 K, with...
Air enters the compressor of an ideal air-standard Brayton cycle at 100 kPa, 300 K, with a volumetric flow rate of 7.5 m3/s. The compressor pressure ratio is 10. The turbine inlet temperature is 1400 K. Determine the following: The thermal efficiency of the cycle The back work ratio The net power developed in kW
A brayton cycle with regeneration and intercooling has a
pressure ratio of 4 across each compressor while the total pressure
ratio across the turbine is 16. Air enters each compressor at 298K
while the inlet gas temperature to the turbine is 1200K. If the
regenerator effectiveness is 100%, calculate the cycle thermal
efficiency from the heat addition and rejection.
3. A Brayton cycle with regeneration and intercolinig aeross the turbine is across each compressor while the total pressure ratio across...
Ideal Brayton cycle with heat regeneration has a pressure ration rp-10.4, T1-300K. The effectiveness of the regenerator is 80%. The network output WmF350 kJ/kg and the thermal efficiency of the cycle is nth 54%. Assume that the air is an ideal gas with variable specific heats. al Draw The thermodynamic cycle Ts and Pv Calculate: b/ Turbine work (WT.out) c/ qin, apply the first law of thermodynamic to the system to calculate gout d/ qregen Heat Combustion chambet Turbine Compressor
Air enters the compressor of a cold air-standard Brayton cycle at 100 kpa, 300 k, with a mass flow rate of 6 kg/s. the compressor pressure ratio is 10, and the turbine inlet temperature is 1400 K. For k = 1.4, calculate a. The thermal efficiency of the cycle b. The back work ratio c. The net power developed, in kW d. Reconsider the above with an ideal regenerator.
2. Air enters the compressor of an ideal air-standard Brayton cycle at 100 kPa, 300 K, with a volumetnc flow rate of 20 m'/s. The turbine inlet temperature is 1500 K. For compressor pressure ratios of 20 find a) the heat addition and rejection in kW b) the net power developed, in kW c) the thermal efficiency of the cycle d) the back work ratio.
A Brayton cycle operates with regencration with air as the working fluid. Air enters the compressor at \(95 \mathrm{kPa}\) and \(290 \mathrm{~K}\) and the turbine at \(760 \mathrm{kPa}\) and \(1100 \mathrm{~K}\). Heat is transferred in the combustion region at a rate of \(75,000 \mathrm{~kJ} / \mathrm{s}\). The compressor Operates isentropically. The effectiveness of regenerator is \(80 \%\). The compressor and turbine operate is entropically. There are no pressure changes in the regenerator or combustion region. \(\mathrm{h}_{1}=290.16 \mathrm{~kJ} / \mathrm{kg}:\)\(\mathrm{h}_{2}=526.12 \mathrm{~kJ}...
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