Air enters a compressor at ambient conditions of 15 psia and 60°F with a low velocity and exits at 150 psia, 620°F, and 350 ft/s. The compressor is cooled by the ambient air at 60°F at a rate of 1500 Btu/min. The power input to the compressor is 400 hp. Determine the portion of the power input that is used just to overcome the irreversibilities.

Q: Air enters a compressor at ambient conditions of 100 kPa and 20°C at a rate of 6.2 m3 /s with a low…

A: Given Inlet conditions Pressure =100 kPa Temperature = 20o C Mass flow rate = 6.2 m3/s Outlet…

Q: Air flow steadily at the rate of 0.95 kg/s through air compressor, entering at 7.5 m/s speed, 95…

A:

Q: Liquid water at 120 kPa enters a 7-kW pump where its pressure is raised to 5 MPa. If the elevation…

A:

Q: Long cylindrical steel rods (ρ = 7833 kg/m3 and cp = 0.465 kJ/kg·°C) of 8 cm diameter are…

A: Given Data: Density of the rod is ρ = 7833 kg/m3. The specific heat capacity of the rod is cP =…

Q: 5-36 Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s and leaves at 375°C and…

A:

Q: and 25oC with a velocity of 30 m/s and exits at 1.8 MPa and 400oC. The compressor

A: In the above calculation considering per unit area means (A=1 m 2).

Q: Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s, and leaves at 300°C and 200…

A: Write the properties of steam at 800 kPa and 400°C. Write the properties of steam at 200 kPa and…

Q: Steam enters a turbine steadily at a flow rate of 1 kg/s at 7 MPa and 500 degrees and exits as…

A: Inlet conditions:Mass flow rate (ṁ) = 1 kg/sInlet pressure (P1) = 7 MPaInlet temperature (T1) =…

Q: Air is compressed by a compressor from 101 kPa and 27°C to 400 kPa and 220°C at a rate of 0.15 kg/s.…

A: Given: The initial pressure of the air in the compressor is P1=101 kPa. The final pressure of the…

Q: An air compressor compresses 15 L/s of air at 120 kPa and 20°C to 800 kPa and 300°C while consuming…

A:

Q: Air is compressed steadily in a compressor from 100 kPa and 400 K to 1 MPa and 500 K, at a rate of…

A:

Q: In the first case, two pipes are connected to a tank containing liquid water at 45kg and 45℃. Liquid…

A:

Q: A refrigeration system is being designed to cool eggs (ρ = 67.4 lbm/ft3 and cp = 0.80 Btu/lbm·°F)…

A: Given that,

Q: steady flow thermodynamic system receives 100 lb/min of a fluid at 30 psia and 200°F and discharges…

A:

Q: Cold water (cp = 4.18 kJ/kg·°C) leading to a shower enters a thin-walled double-pipe counterflow…

A: Given: The inlet temperature of the cold water in the heat exchanger is T1 = 15 °C. The exit…

Q: Steam flows through a turbine at a rate of 2.0 kg/s, at 3 MPa and 450°C with a velocity of 80 mis…

A: given; mass flow rate (m)=2kg/sinlet pressure(P1)=3MPainlet temperature(T1)=4500cinitial…

Q: etermine the power produced by an adiabatic turbine if steam enters at 2 MPaa and 400 °C and leaves…

A:

Q: Steam flows steadily through a turbine at a rate of 45,000 lbm/h, entering at 1000 psia and 900°F…

A: Given data as per question Flow rate of steam =45000 lbm/h Entering pressure = 1000 psia Entering…

Q: The stators in a gas turbine are designed to increase the kinetic energy of the gas passing through…

A:

Q: Air enters a compressor with a pressure of 14.5 psia, a temperature of 80°F, and a volumetric flow…

A: Given data: The inlet pressure of the compressor, P1= 14.5 psia The inlet temperature of the…

Q: ers a compressor at ambient condition of 100 kPa and 25°C with a velocity of 30 m/s and exits at 1.8…

A:

Q: Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s, and leaves at 3008C and 200…

A:

Q: Steam is condensed in a closed system at a constant pressure of 75 kPa from a saturated vapor to a…

A: Given data as per question Pressure of the condensed steam = 75 kpa thermal energy reservoir…

Q: Air flowing at 0.5 m3/min enters a compressor at 101 kPa and 25°C. The air exits at 600 kPa and…

A: Given data as per question Air flow rate = 0.5 m3/min =0.00833m3/s At entry pressure = 101 kPa At…

Q: Refrigerant-134a enters the evaporator coils placed at the back of the freezer section of a…

A: Given- Vapour compression refrigeration cycle (VCRS) - Refrigerant-134a  Power consumed by…

Q: Steam flows through a turbine at a rate of 2.3 kg/s, at 3.2 MPa and 480°C with a velocity of 85 m/s…

A:

Q: Air enters a compressor at atmospheric conditions of 20°C and 80 kPa and exits at 800 kPa and 200°C…

A: Given: The compressor inlet temperature, T1 = 20 C The compressor inlet pressure, P1 = 80 kPa The…

Q: Saturated liquid water is heated in a steady-flow steam boiler at a constant pressure of 2 MPa at a…

A: Given data: Inlet pressure ,P1 = 2 MPa Outlet temperature, T2 = 2500C Mass flow rate, m = 4 kg/s Now…

Q: Electric heating systems used in many homes consist of a simple duct with resistance heaters. As it…

A: From the 1st law of Thermodynamics & energy balancing, we can write…

Q: An ordinary egg can be approximated as a 5.5-cm-diameter sphere. The egg is initially at a uniform…

A: Given: The density of the egg is ρ=1020 kg/m3. The diameter of the egg is d=5.5 cm. The initial…

Q: Steam, with a specific enthalpy of 2803 kJ/kg, is flowing through a pipe located 5 m above the…

A:

Q: Air is compressed steadily by a compressor from 100 kPa and 20C to 1200 kPa and 300C at a rate of…

A: (a) The temperatures are given as, On using energy balance, The power input to the compressor is…

Q: A 5-ft3 rigid tank initially contains refrigerant-134a at 60 psia and 100 percent quality. The tank…

A: The properties of refrigerant 134a at 60 psia and 100 percent quality are: The enthalpy of…

Q: Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa,…

A:

Q: Steam enters a turbine at 6 MPa and 450°C at a rate of 33 kg/s and exits at 50 kPa as saturated…

A:

Q: Air leaves a compressor at 1.5 MPa and 90°C with a mass flow rate of 150 kg/min. Determine the…

A: Given, At the exit of the compressor,Pressure, P2=1.5MPaTemperature, T2=90°C=363KMass flow rate,…

Q: A hair dryer is basically a duct in which a few layers of electrical resistors are placed. A small…

A:

Q: Steam enters a turbine steadily at 3 MPa and 450°C at a rate of 8 kg/s and exits at 0.2 MPa and…

A:

Q: Air flows steadily through an adiabatic compressor at a rate of 0.16 kg/s. The inlet conditions are…

A:

Automation in manufacturing processes

The term automation refers to the technique through which the creation of an apparatus takes place using an automatic process or a system. Let us try to understand this with an example.