Air is expanded in an adiabatic turbine of 90 percent isentropic efficiency from an inlet state of 2800 kPa and 400°C to an outlet pressure of 100 kPa. Calculate the outlet temperature of air, the work produced by this turbine, and the entropy generation.

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

A:

Q: An ideal gas (R= 0.2081 kJ/kgK, Cp=0.5203 kJ/kgK, Cv=0.3122 kJ/kgK) is compressed steadily from 100…

A:

Q: 1. Air enters an adiabatic nozzle at 160kPa and 50°C with a speed of 20m/s and leaves at 95kPa with…

A:

Q: Steam enters an adiabatic turbine steadily at 7 MPa, 500°C, and 45 m/s and leaves at 100 kPa and 75…

A: Given, P1=7 MPa T1=500°C V1= 45m/s P2 = 100 kPa=0.1Mpa V2= 75 m/s W=5 MW=5000 KW ηisentropic=…

Q: Heat flows through a wall of a house at a steady-state on a day when the temperature of the outdoor…

A: From the given data,the question asked for total entropy generation. For that take inside and…

Q: Thermal dynamics Steam enters a turbine at 20kg/s, 900 degrees C and 8MPa. 20% of the steam is…

A:

Q: The connections of a reversible engine to three sources at 550 k,450 k and 250k are shown in fig. It…

A: given: lets take: heat draws frm source 550K=1600kj/min net work=200kj/min

Q: An adiabatic capillary tube is used in some refrigeration systems to drop the pressure of the…

A: Given   Saturated liquid temperature Tsat=343 K Leaving Temperature Tl =253 K  Mass flow rate, m =…

Q: In an ice-making plant, water at 0°C is frozen at atmospheric pressure by evaporating saturated…

A: Given data: Water temperature, Tw=0°C Refrigerant temperature, Tr=-16°C Mass flow rate of ice,…

Q: Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be…

A:

Q: An adiabatic capillary tube is used in some refrigeration systems to drop the pressure of the…

A:

Q: Refrigerant-134a enters the coils of the evaporator of a refrigeration system as a saturated…

A: At 140 Kpa ( Refrigerant-134a table) T=-18.77°C = 254.23K Heat rejected, Q=180 KJ TO=-10°C=263 K

Q: Hot combustion gases enter the nozzle of a turbojet engine at 260 kPa, 747°C, and 80 m/s, and they…

A: Given data P1=260 KPaT1=747°cV1=80 m/sP2=85 KPa

Q: Air at 427 degrees celcius and 400 kPa with a volume flow of 1m3/s runs through an adiabatic turbine…

A: Assumption:Control volume turbineSteady state heat transfer is zero.

Q: A gas-turbine power plant is to produce 800 kW of power by compressing atmospheric air at 20 0C to…

A: Power, Wnet= 800 kW State 1: Atmospheric air is given Hence, P1= Patm= 101.325 kPa T1= 20∘C= 20+273=…

Q: An adiabatic capillary tube is used in some refrigeration systems to drop the pressure of the…

A:

Q: Air enters a compressor steadily at the ambient conditions of 100 kPa and 22°C and leaves at 800…

A: Given data: The temperature of ambient air, T = 22°C. Heat lost from the compressor, q = 120 kJ/kg.…

Q: Steam is accelerated as it flows through an actual adiabatic nozzle. The entropy of the steam at the…

A: No thermodynamic device is reversible in actual application. Irreversibility's cause entropy…

Q: A Carnot engine operates between 327°C and 27°C. If the engine produces 300 kJ of work the entropy…

A: Consider below schematic for the given question:   From the given data, Source temperature = T1 =…

Q: What is the total entropy change to expand water at 30 psia and 70 percent quality to 10 psia in a…

A: Given data: The initial pressure of the water is = 30 psi The quality of the water is (x) = 0.70…