An adiabatic air compressor with inlet conditions of 100 kPa, 27 C and an exit pressure...

An adiabatic air compressor with inlet conditions of 100 kPa, 27 C and an exit pressure of 500 kPa has an inlet volume flow rate of 5 m3/s and operates in steady flow. Calculate the minimum power required to drive the compressor.

Expert Solution

samet mamat answered 2 years ago

9.43 An ideal air-standard state with compressor inlet conditions of 300 K and 100 kPa and...

9.43 An ideal air-standard state with compressor inlet conditions of 300 K and 100 kPa and a fixed turbine inlet temperature of 1700 K. For the cycle, Plot the net work developed per unit mass flowing, in kJ/kg, and the thermal efficiency, each versus compressor pressure ratio ranging from 2 to 50. I need the IT Thermodynamics software code, or at least I need to know how to set the code up. Also, please note that this is an air-standard...

Air enters an adiabatic compressor at 100 kPa (absolute) and 20 ºC at a rate of...

Air enters an adiabatic compressor at 100 kPa (absolute) and 20 ºC at a rate of 0.075 m3 /s, and it exits at a pressure of 900 kPa (absolute). The compressor has an isentropic efficiency of 70 percent. Neglecting the changes in kinetic and potential energies, determine (a) the exit temperature of air and (b) the power required to drive the compressor.

An air compressor operating in adiabatic steady flow takes in air at 17 C, 200 kPa...

An air compressor operating in adiabatic steady flow takes in air at 17 C, 200 kPa and discharges is at 1300 kPa. Calculate the minimum work required to drive the compressor assuming the compressor has i) constant specific heats. ii) non-constant specific heats.

Air enters the compressor of a gas-turbine plant at ambient conditions of 100 kPa and 25°C...

Air enters the compressor of a gas-turbine plant at ambient conditions of 100 kPa and 25°C with a low velocity and exits at 1 MPa and 347°C with a velocity of 90 m/s. The compressor is cooled at a rate of 1500 kJ/min, and the power input to the compressor is 235 kW. Determine the mass flow rate of air through the compressor. The inlet and exit enthalpies of air are 298.2 kJ/kg and 628.07 kJ/kg. The mass flow rate...

A compressor compresses air flowing at 15 litre/s, 150 kPa, 20°C at the inlet to 500...

A compressor compresses air flowing at 15 litre/s, 150 kPa, 20°C at the inlet to 500 kPa, 250°C at the outlet. During the compression, heat is lost at the rate of 1.5 kW. Determine the minimum input work for the compressor.

Atmospheric air, at constant conditions, 102 kPa pressure and 30 ° C to a air conditioning...

Atmospheric air, at constant conditions, 102 kPa pressure and 30 ° C to a air conditioning system enters at 60% relative humidity at temperature. The volumetric flow of atmospheric air is 100 L / s. Air, It is separated from the air conditioning system at a pressure of 95 kPa and a temperature of 15 ° C at 100% relative humidity. In this process, the temperature of the condensing water is 15 ° C. This air conditioning Calculate the heat...

Air enters the compressor at 100 kPa, 300 K and is compressed to 1000 kPa. The...

Air enters the compressor at 100 kPa, 300 K and is compressed to 1000 kPa. The temperature at the inlet to the first turbine stage is 1400 K. The expansion takes place isentropically in two stages, with reheat to 1400 K between the stages at a constant pressure of 300 kPa. A regenerator having an effectiveness of 100% is also incorporated into the cycle. The turbine and the compressor each have am isentropic efficiency of 80%. Determine the following: (a.)...

Air enters a constant diameter pipe at a pressure of 200 kPa. At the exit of...

Air enters a constant diameter pipe at a pressure of 200 kPa. At the exit of the pipe the pressure is 120 kPa, the Mach number is 0.75, and the stagnation temperature is 330°C. Determine the inlet Mach number and the heat transfer per unit mass of air.

A refrigeration system contains an adiabatic compressor with Refrigerant-134a as working fluid. Inlet conditions (state 1)...

A refrigeration system contains an adiabatic compressor with Refrigerant-134a as working fluid. Inlet conditions (state 1) are 140 kPa and -100C and the exit state is 1.6 MPa and 800C (state 2). The changes in KE and PE are negligible. Determine (a) actual exit specific enthalpy in kJ/kg, (b) exit specific isentropic entropy in kJ/lg.K and (c) efficiency of the compressor in %.

A mass of 0.07 kg of air at a temperature of 30°C and pressure 100 kPa...

A mass of 0.07 kg of air at a temperature of 30°C and pressure 100 kPa is compressed to a pressure of 600 kPa, according to the law: (i.e. Polytropic process, n=1.3). Determine: i.The final volume ii.The final temperature iii.The work transfer iv.The change in internal energy v.The heat transfer

Question