Nitrogen (N2) at 1 bar, 300 K enters a compressor operating at steady state and is...

Nitrogen (N₂) at 1 bar, 300 K enters a compressor operating at steady state and is compressed adiabatically to an exit state of 16 bar, 750 K. The N₂ is modeled as an ideal gas and kinetic and potential energy effects are negligible. Determine the work input, in kJ per kg of N₂ flowing, the rate of entropy production, in kJ/K per kg of N₂ flowing, and the isentropic compressor efficiency.

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samet mamat answered 2 years ago

Carbon dioxide (CO2) at 1 bar, 300 K enters a compressor operating at steady state and...

Carbon dioxide (CO2) at 1 bar, 300 K enters a compressor operating at steady state and is compressed adiabatically to an exit state of 10 bar, 540 K. The CO2 is modeled as an ideal gas, and kinetic and potential energy effects are negligible. For the compressor, determine: (a) the work input, in kJ per kg of CO2 flowing, (b) the rate of entropy production, in kJ/K per kg of CO2 flowing, and (c) the percent isentropic compressor efficiency.

Air enters a compressor operating at steady state at 1.05 bar, 300 K, with a volumetric...

Air enters a compressor operating at steady state at 1.05 bar, 300 K, with a volumetric flow rate of 48 m3/min and exits at 12 bar, 400 K. Heat transfer occurs at a rate of 8 kW from the compressor to its surroundings. Assuming the ideal gas model for air and neglecting kinetic and potential energy effects, determine the power input, in kW.

Nitrogen (N2), at 300 K, 1 bar with a mass flow rate of 1 kg/s enters...

Nitrogen (N2), at 300 K, 1 bar with a mass flow rate of 1 kg/s enters an insulated mixing chamber and mixes with carbon dioxide (CO2) entering as a separate stream at 500 K, 1 bar with a mass flow rate of 0.5 kg/s. The mixture exits at 1 bar. Assuming ideal gas behavior, for steady-state operation, determine (a) the molar analysis (i.e., the molar flow rate for each gas) of the exiting mixture, (b) the exit mixture temperature, and...

Saturated water vapor at 300°F enters a compressor operating at steady state with a mass flow...

Saturated water vapor at 300°F enters a compressor operating at steady state with a mass flow rate of 5 lb/s and is compressed adiabatically to 750 lbf/in.2 If the power input is 2150 hp, determine for the compressor: (a) the percent isentropic compressor efficiency and (b) the rate of entropy production, in hp/°R. Ignore kinetic and potential energy effects.

Saturated water vapor at 300°F enters a compressor operating at steady state with a mass flow...

Saturated water vapor at 300°F enters a compressor operating at steady state with a mass flow rate of 5 lb/s and is compressed adiabatically to 650 lbf/in.2 If the power input is 2150 hp, determine for the compressor: (a) the percent isentropic compressor efficiency and (b) the rate of entropy production, in hp/°R. Ignore kinetic and potential energy effects.

Saturated water vapor at 300°F enters a compressor operating at steady state with a mass flow...

Saturated water vapor at 300°F enters a compressor operating at steady state with a mass flow rate of 5 lb/s and is compressed adiabatically to 650 lbf/in.2 If the power input is 2150 hp, determine for the compressor: (a) the percent isentropic compressor efficiency and (b) the rate of entropy production, in hp/°R. Ignore kinetic and potential energy effects.

An air compressor is operating at a steady state. The air enters at with a volumetric...

An air compressor is operating at a steady state. The air enters at with a volumetric flow rate 1.2 m^3/s at 170 kPa and 22 degrees celsius with negligible velocity and leaves at 1500 kPa with velocity of 200 m/s. The power to the compressor is 60 kW and the compressor is cooled at a rate of 15 kJ/kg. Determine the exit area.

Air enters a turbine operating at steady state at 6 bar, 1200 K and expands to...

Air enters a turbine operating at steady state at 6 bar, 1200 K and expands to 0.8 bar. The turbine is well insulated, and kinetic and potential energy effects can be neglected. Assuming ideal gas behavior for the air, what is the maximum theoretical work that could be developed by the turbine in kJ per kg of air flow?

Air enters a turbine operating at steady state at 6 bar, 1600 K and expands to...

Air enters a turbine operating at steady state at 6 bar, 1600 K and expands to 0.8 bar. The turbine is well insulated, and kinetic and potential energy effects can be neglected. Assuming ideal gas behavior for the air, what is the maximum theoretical work that could be developed by the turbine in kJ per kg of air flow?

Air enters a turbine operating at steady state at 10 bar, 1200 K and expands to...

Air enters a turbine operating at steady state at 10 bar, 1200 K and expands to 0.8 bar. The turbine is well insulated, and kinetic and potential energy effects can be neglected. Assuming ideal gas behavior for the air, what is the maximum theoretical work that could be developed by the turbine in kJ per kg of air flow?

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Nitrogen (N2) at 1 bar, 300 K enters a compressor operating at steady state and is...

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