Air enters the compressor of an air-standard Brayton cycle with
a volumetric flow rate of 60 m3/s at 0.8 bar, 280 K. The
compressor pressure ratio is 17.5, and the maximum cycle
temperature is 2100 K. For the compressor, the isentropic
efficiency is 92% and for the turbine the isentropic efficiency is
95%.
Determine:
(a) the net power developed, in kW.
(b) the rate of heat addition in the combustor, in kW.
(c) the percent thermal efficiency of the cycle.
Air enters the compressor of an air-standard Brayton cycle with a volumetric flow rate of 60...
Air enters the compressor of a regenerative air-standard Brayton cycle with a volumetric flow rate of 100 m3/s at 0.8 bar, 280 K. The compressor pressure ratio is 20, and the maximum cycle temperature is 2100 K. For the compressor, the isentropic efficiency is 92% and for the turbine the isentropic efficiency is 95%. For a regenerator effectiveness of 86%, determine: (a) the net power developed, in MW. (b) the rate of heat addition in the combustor, in MW. (c)...
Air enters the compressor of a regenerative air-standard Brayton cycle with a volumetric flow rate of 20 m3/s at 0.8 bar, 280 K. The compressor pressure ratio is 20, and the maximum cycle temperature is 1950 K. For the compressor, the isentropic efficiency is 92% and for the turbine the isentropic efficiency is 95%. For a regenerator effectiveness of 86%, determine: (a) the net power developed, in MW. (b) the rate of heat addition in the combustor, in MW. (c)...
plz answer all the steps? Air enters the compressor of an air-standard Brayton cycle with a volumetric flow rate of 60 m3/s at 0.8 bar, 280 K. The compressor pressure ratio is 17.5, and the maximum cycle temperature is 1950 K. For the compressor, the isentropic efficiency is 92% and for the turbine the isentropic efficiency is 95%. Determine: (a) the net power developed, in kW. (b) the rate of heat addition in the combustor, in kW. (c) the percent...
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
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.
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...
Thermodynamics 2: STARTING FROM QS 2) 1) In an ideal Brayton cycle air enters the compressor at T = 300K and P = 1 bar with a volumetric flow rate = 20 m3/s. Air enters the turbine at P = 10 bar and T = 1800K. Find: a) The thermal efficiency b) The backwork ratio c) The net power generation in MW 2) For the same states above consider a cycle where the isentropic efficiency of the compressor and turbine...
Air enters the compressor of an ideal air standard Brayton cycle at 195 kPakPa, 298 KK, with a volumetric flow rate of 7 m3/sm3/s. The compressor pressure ratio is 8. The turbine inlet temperature is 1400 KK. The compressor has an efficiency of 90%% and the turbine has an efficiency of 75%%. A) Determine the thermal efficiency (ηth,Braytonηth,Brayton). B) Determine the net power output (W˙netW˙net). C) Determine the back work ratio.
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.
The refrigerant gas which is air, enters the compressor of a Brayton refrigeration cycle at 101 kPa, 280 K. If the compressor pressure ratio is 5 and the turbine inlet temperature is 330 K. The compressor has an isentropic efficiency of 70% and the turbine has an isentropic efficiency of 80%. Using air table rather than constant-specific-heat theory, determine (a) the net work input per unit mass of air flow, (b) the refrigeration capacity, in kJ/kg, (c) the coefficient of...