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P1) (50 points) - Air is compressed steadily by a 7.5-kW compressor. Air enters a compressor...
P1) (50 points) - Air is compressed steadily by a 7.5-kW compressor. Air enters a compressor at a pressure of 100 kPa, a temperature of 290 K and a velocity of 6 m/s through an inlet with an area of 0.005 m2. At the exit, the pressure is 700 kPa, the temperature 480 K and the velocity is 2 m/s. Determine: a) heat transfer that takes place between the compressor and the surrounding medium at 290 K, in kW and...
A compressor is used to steadily compress Air which enters the compressor at a pressure of...
A compressor is used to steadily compress Air which enters the compressor at a pressure of 220 kPa, a temperature of 320 K, and a velocity of 8 m/s through an inlet with area of 0.13 m². The air exits the compressor at a pressure of 770 kPa, temperature is 490 K, and a of velocity is 4 m/s. The compressor consumes 430 kW of power. Assuming variable specific heats, find: A) The heat transfer during this process. B) The...
An air compressor has an isentropic efficiency of 90%. If the inlet temperature of the air...
An air compressor has an isentropic efficiency of 90%. If the inlet temperature of the air to the compressor is 300 K, and the minimum work the air compressor can consume is 100.5 kJ/kg. The actual exit temperature of the air is? A. 400 K B. 411.11 K C.350 K D. 500 K
2. In an air - standard Broyton cycle, the air enters the compressor at 0.1 MPa,...
2. In an air - standard Broyton cycle, the air enters the compressor at 0.1 MPa, 20 °C. The pressure leaving the compressor is 0.6MPO, and the maximum temperature in the cycle is 950°C. Determine of the prassure and temperatura at each point in the cycle. by the compressor work, turbine work, and cycle efficiency. (50 points)
Air is compressed by a 34.6 kW compressor from P1 to P2. The air temperature is...
Air is compressed by a 34.6 kW compressor from P1 to P2. The air temperature is maintained constant at 34°C during this process as a result of heat transfer to the surrounding medium at 15°C. Determine (a) the rate of entropy change of the air, (b) the rate of entropy change of the surroundings, and (c) the rate of entropy generation. State the assumptions made in solving this problem. To check your work, enter the rate of entropy generation, in...
Estimate the work necessary to compress the air in an air-compressor cylinder from a pressure of...
Estimate the work necessary to compress the air in an
air-compressor cylinder from a pressure of 100 kPa to 2000 kPa. The
initial volume is 1000.
An isothermal process is to be assumed.
plz answer all the steps? Air enters the compressor of an air-standard Brayton cycle with a...
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 (use the PG model) enters the compressor of an ideal air standard Brayton cycle at...
Air (use the PG model) enters the compressor of an ideal air standard Brayton cycle at 100 kPa and 305 K with a volumetric flow rate of 5 m/s. The compressor pressure ratio is 12. The turbine inlet temperature is 1000 K. Part A Determine the thermal efficiency (17th, Brayton) Express your answer to three significant figures. V AED 11 vec Submit Request Answer Part B Determine the net power output (Wet). Express your answer to six significant figures and...
A centrifugal air compressor used in a gas turbine receives air at 100 kPa and 300...
A centrifugal air compressor used in a gas turbine receives air at 100 kPa and 300 K and discharges it at 400 kPa and 500 K. The velocity of the compressor's outgoing air is 100 m / s. Ignoring the speed at the compressor inlet. Determine the power required to drive the compressor, in kW, if the mass flow is 15 kg / s. Take the Cp of air equal to 1 kJ / (kg K) and assume that there...
Air enters the compressor of a regenerative air-standard Brayton cycle with a volumetric flow rate of...
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)...
P1) (50 points) - Air is compressed steadily by a 7.5-kW compressor. Air enters a compressor at a pressure of 100 kPa, a temperature of 290 K and a velocity of 6 m/s through an inlet with an area of 0.005 m2. At the exit, the pressure is 700 kPa, the temperature 480 K and the velocity is 2 m/s. Determine: a) heat transfer that takes place between the compressor and the surrounding medium at 290 K, in kW and...
A compressor is used to steadily compress Air which enters the compressor at a pressure of 220 kPa, a temperature of 320 K, and a velocity of 8 m/s through an inlet with area of 0.13 m². The air exits the compressor at a pressure of 770 kPa, temperature is 490 K, and a of velocity is 4 m/s. The compressor consumes 430 kW of power. Assuming variable specific heats, find: A) The heat transfer during this process. B) The...
An air compressor has an isentropic efficiency of 90%. If the inlet temperature of the air to the compressor is 300 K, and the minimum work the air compressor can consume is 100.5 kJ/kg. The actual exit temperature of the air is? A. 400 K B. 411.11 K C.350 K D. 500 K
2. In an air - standard Broyton cycle, the air enters the compressor at 0.1 MPa, 20 °C. The pressure leaving the compressor is 0.6MPO, and the maximum temperature in the cycle is 950°C. Determine of the prassure and temperatura at each point in the cycle. by the compressor work, turbine work, and cycle efficiency. (50 points)
Estimate the work necessary to compress the air in an
air-compressor cylinder from a pressure of 100 kPa to 2000 kPa. The
initial volume is 1000.
An isothermal process is to be assumed.
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 (use the PG model) enters the compressor of an ideal air standard Brayton cycle at 100 kPa and 305 K with a volumetric flow rate of 5 m/s. The compressor pressure ratio is 12. The turbine inlet temperature is 1000 K. Part A Determine the thermal efficiency (17th, Brayton) Express your answer to three significant figures. V AED 11 vec Submit Request Answer Part B Determine the net power output (Wet). Express your answer to six significant figures and...
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)...
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